[Experiment] Crater run with `-Ztrait-solver=next-coherence` #113895

compiler-errors · 2023-07-20T19:21:34Z

yeet

r? @ghost

compiler-errors · 2023-07-20T19:21:42Z

@bors try

compiler-errors · 2023-07-20T19:21:46Z

(cc @lcnr)

bors · 2023-07-20T19:21:51Z

⌛ Trying commit 8d2046922c4b4a4f159120ab5e4fcbdb33777505 with merge 679467dda60caf04032ce789aebd47bb6325618c...

bors · 2023-07-20T20:38:08Z

☀️ Try build successful - checks-actions
Build commit: 679467dda60caf04032ce789aebd47bb6325618c (679467dda60caf04032ce789aebd47bb6325618c)

compiler-errors · 2023-07-20T20:38:42Z

@craterbot check

craterbot · 2023-07-20T20:38:47Z

👌 Experiment pr-113895 created and queued.
🤖 Automatically detected try build 679467dda60caf04032ce789aebd47bb6325618c
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

compiler/rustc_session/src/options.rs

compiler-errors · 2023-07-21T11:04:22Z

@craterbot cancel

craterbot · 2023-07-21T11:04:24Z

🚨 Error: failed to parse the command

🆘 If you have any trouble with Crater please ping @rust-lang/infra!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

compiler-errors · 2023-07-21T11:05:29Z

@craterbot abort

craterbot · 2023-07-21T11:05:35Z

🗑️ Experiment pr-113895 deleted!

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

compiler-errors · 2023-07-21T22:18:47Z

@bors try

bors · 2023-07-21T22:18:56Z

⌛ Trying commit e82dcc0 with merge c008da7c8a7598ce071579d1130c66d76e43a4b1...

bors · 2023-07-21T22:32:03Z

💔 Test failed - checks-actions

compiler-errors · 2023-07-21T22:33:20Z

@bors try

bors · 2023-07-21T22:33:28Z

⌛ Trying commit 6508c9b with merge 2e32e486ee7945e4b905ff82d6bf81ef77d60daa...

rust-log-analyzer · 2023-07-21T22:49:20Z

The job x86_64-gnu-llvm-14 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

##[group]Run git config --global core.autocrlf false
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---
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---
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---
##[group]Run src/ci/scripts/run-build-from-ci.sh
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env:
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  TOOLSTATE_REPO: https://github.com/rust-lang-nursery/rust-toolstate
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---

---- [ui] tests/ui/associated-types/associated-types-coherence-failure.rs stdout ----
diff of stderr:

- error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `Cow<'_, _>`
+ error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `<_ as ToOwned>::Owned`
3    |
3    |
4 LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned {
5    | ------------------------------------------------------------ first implementation here
6 ...
6 ...
7 LL | impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned {
-    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Cow<'_, _>`
+    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as ToOwned>::Owned`
9 
- error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `&_`
+ error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `<_ as ToOwned>::Owned`
12    |
12    |
13 LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned {
14    | ------------------------------------------------------------ first implementation here
15 ...
15 ...
16 LL | impl<'a, B: ?Sized> IntoCow<'a, B> for &'a B where B: ToOwned {
-    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
+    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as ToOwned>::Owned`
19 error: aborting due to 2 previous errors
20 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/associated-types-coherence-failure/associated-types-coherence-failure.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args associated-types/associated-types-coherence-failure.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/associated-types/associated-types-coherence-failure.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/associated-types-coherence-failure" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/associated-types/associated-types-coherence-failure/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `<_ as ToOwned>::Owned`
##[error]  --> fake-test-src-base/associated-types/associated-types-coherence-failure.rs:21:1
   |
LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned {
...
...
LL | impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as ToOwned>::Owned`

error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `<_ as ToOwned>::Owned`
##[error]  --> fake-test-src-base/associated-types/associated-types-coherence-failure.rs:28:1
   |
LL | impl<'a, B: ?Sized> IntoCow<'a, B> for <B as ToOwned>::Owned where B: ToOwned {
...
...
LL | impl<'a, B: ?Sized> IntoCow<'a, B> for &'a B where B: ToOwned {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `<_ as ToOwned>::Owned`
error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/codemap_tests/overlapping_inherent_impls.rs stdout ----
diff of stderr:

24 ...
25 LL |     fn baz(&self) {}
26    |     ------------- other definition for `baz`
-    |
-    = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::vec::Vec<_>` in future versions
30 error: aborting due to 3 previous errors
31 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/codemap_tests/overlapping_inherent_impls/overlapping_inherent_impls.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args codemap_tests/overlapping_inherent_impls.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/codemap_tests/overlapping_inherent_impls.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/codemap_tests/overlapping_inherent_impls" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/codemap_tests/overlapping_inherent_impls/auxiliary"
stdout: none
error[E0592]: duplicate definitions with name `id`
##[error]  --> fake-test-src-base/codemap_tests/overlapping_inherent_impls.rs:9:5
   |
   |
LL |     fn id() {} //~ ERROR duplicate definitions
   |     ^^^^^^^ duplicate definitions for `id`
LL |     fn id() {}
   |     ------- other definition for `id`

error[E0592]: duplicate definitions with name `bar`
error[E0592]: duplicate definitions with name `bar`
##[error]  --> fake-test-src-base/codemap_tests/overlapping_inherent_impls.rs:19:5
   |
LL |     fn bar(&self) {} //~ ERROR duplicate definitions
   |     ^^^^^^^^^^^^^ duplicate definitions for `bar`
LL |     fn bar(&self) {}
   |     ------------- other definition for `bar`

error[E0592]: duplicate definitions with name `baz`
error[E0592]: duplicate definitions with name `baz`
##[error]  --> fake-test-src-base/codemap_tests/overlapping_inherent_impls.rs:29:5
   |
LL |     fn baz(&self) {} //~ ERROR duplicate definitions
   |     ^^^^^^^^^^^^^ duplicate definitions for `baz`
...
LL |     fn baz(&self) {}
   |     ------------- other definition for `baz`
error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0592`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/coherence-overlap-downstream-inherent.rs stdout ----
diff of stderr:

15 LL |
16 LL | impl<X> A<i32, X> { fn f(&self) {} }
17    |                     ----------- other definition for `f`
-    |
-    = note: downstream crates may implement trait `Bar<_>` for type `i32`
21 error: aborting due to 2 previous errors
22 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-downstream-inherent/coherence-overlap-downstream-inherent.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-overlap-downstream-inherent.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-overlap-downstream-inherent.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-downstream-inherent" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-downstream-inherent/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0592]: duplicate definitions with name `dummy`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-downstream-inherent.rs:7:26
   |
LL | impl<T:Sugar> Sweet<T> { fn dummy(&self) { } }
   |                          ^^^^^^^^^^^^^^^ duplicate definitions for `dummy`
LL | //~^ ERROR E0592
LL | impl<T:Fruit> Sweet<T> { fn dummy(&self) { } }
   |                          --------------- other definition for `dummy`
error[E0592]: duplicate definitions with name `f`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-downstream-inherent.rs:13:38
   |
   |
LL | impl<X, T> A<T, X> where T: Bar<X> { fn f(&self) {} }
   |                                      ^^^^^^^^^^^ duplicate definitions for `f`
LL | //~^ ERROR E0592
LL | impl<X> A<i32, X> { fn f(&self) {} }
   |                     ----------- other definition for `f`
error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0592`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/coherence-overlap-downstream.rs stdout ----
diff of stderr:

13    | ----------------------- first implementation here
14 LL | impl<X> Foo<X> for i32 {}
-    |
-    |
-    = note: downstream crates may implement trait `Bar<_>` for type `i32`
19 error: aborting due to 2 previous errors
20 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-downstream/coherence-overlap-downstream.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-overlap-downstream.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-overlap-downstream.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-downstream" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-downstream/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `Sweet`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-downstream.rs:8:1
   |
LL | impl<T:Sugar> Sweet for T { }
   | ------------------------- first implementation here
LL | impl<T:Fruit> Sweet for T { }


error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-downstream.rs:14:1
   |
LL | impl<X, T> Foo<X> for T where T: Bar<X> {}
   | ----------------------- first implementation here
LL | impl<X> Foo<X> for i32 {}

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0119`.
For more information about this error, try `rustc --explain E0119`.
------------------------------------------


---- [ui] tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs stdout ----
diff of stderr:

6 LL |
7 LL | impl<U:Sugar> Cake<Box<U>> { fn dummy(&self) { } }
8    |                              --------------- other definition for `dummy`
-    |
-    = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>`
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-issue-23516-inherent/coherence-overlap-issue-23516-inherent.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-overlap-issue-23516-inherent.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-overlap-issue-23516-inherent.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-issue-23516-inherent" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-issue-23516-inherent/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0592]: duplicate definitions with name `dummy`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-issue-23516-inherent.rs:9:25
   |
LL | impl<T:Sugar> Cake<T> { fn dummy(&self) { } }
   |                         ^^^^^^^^^^^^^^^ duplicate definitions for `dummy`
LL | //~^ ERROR E0592
LL | impl<U:Sugar> Cake<Box<U>> { fn dummy(&self) { } }
   |                              --------------- other definition for `dummy`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0592`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/coherence-overlap-issue-23516.rs stdout ----
diff of stderr:

5    | ------------------------- first implementation here
6 LL | impl<U:Sugar> Sweet for Box<U> { }
7    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>`
-    |
-    = note: downstream crates may implement trait `Sugar` for type `std::boxed::Box<_>`
11 error: aborting due to previous error
12 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-issue-23516/coherence-overlap-issue-23516.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-overlap-issue-23516.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-overlap-issue-23516.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-issue-23516" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-issue-23516/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `Sweet` for type `Box<_>`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-issue-23516.rs:8:1
   |
LL | impl<T:Sugar> Sweet for T { }
   | ------------------------- first implementation here
LL | impl<U:Sugar> Sweet for Box<U> { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/coherence-projection-conflict-orphan.rs stdout ----
diff of stderr:

6 LL |
7 LL | impl<A:Iterator> Foo<A::Item> for A { }
-    |
-    |
-    = note: upstream crates may add a new impl of trait `std::iter::Iterator` for type `i32` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-projection-conflict-orphan/coherence-projection-conflict-orphan.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-projection-conflict-orphan.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-projection-conflict-orphan.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-projection-conflict-orphan" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-projection-conflict-orphan/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `Foo<i32>` for type `i32`
##[error]  --> fake-test-src-base/coherence/coherence-projection-conflict-orphan.rs:16:1
   |
LL | impl Foo<i32> for i32 { }
LL |
LL |
LL | impl<A:Iterator> Foo<A::Item> for A { }

error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
For more information about this error, try `rustc --explain E0119`.
------------------------------------------


---- [ui] tests/ui/coherence/coherence-overlap-upstream-inherent.rs stdout ----
diff of stderr:

6 LL |
7 LL | impl A<i16> { fn dummy(&self) { } }
8    |               --------------- other definition for `dummy`
-    |
-    = note: upstream crates may add a new impl of trait `coherence_lib::Remote` for type `i16` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-upstream-inherent/coherence-overlap-upstream-inherent.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-overlap-upstream-inherent.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-overlap-upstream-inherent.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-upstream-inherent" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-upstream-inherent/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0592]: duplicate definitions with name `dummy`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-upstream-inherent.rs:12:32
   |
LL | impl<T> A<T> where T: Remote { fn dummy(&self) { } }
   |                                ^^^^^^^^^^^^^^^ duplicate definitions for `dummy`
LL | //~^ ERROR E0592
LL | impl A<i16> { fn dummy(&self) { } }
   |               --------------- other definition for `dummy`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0592`.
------------------------------------------
---
5    | ----------------- first implementation here
6 LL | impl Foo for i16 {}
7    | ^^^^^^^^^^^^^^^^ conflicting implementation for `i16`
-    |
-    = note: upstream crates may add a new impl of trait `coherence_lib::Remote` for type `i16` in future versions
11 error: aborting due to previous error
12 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-upstream/coherence-overlap-upstream.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-overlap-upstream.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-overlap-upstream.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-upstream" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-overlap-upstream/auxiliary"
stdout: none
error[E0119]: conflicting implementations of trait `Foo` for type `i16`
##[error]  --> fake-test-src-base/coherence/coherence-overlap-upstream.rs:13:1
   |
   |
LL | impl<T> Foo for T where T: Remote {}
LL | impl Foo for i16 {}
   | ^^^^^^^^^^^^^^^^ conflicting implementation for `i16`

error: aborting due to previous error
---

9    |
10    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
11    = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
-    = note: downstream crates may implement trait `FromWasmAbi` for type `&_`
13    = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
15   --> $DIR/coherence-wasm-bindgen.rs:10:9


The actual stderr differed from the expected stderr.
The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-wasm-bindgen/coherence-wasm-bindgen.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence-wasm-bindgen.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence-wasm-bindgen.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-wasm-bindgen" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence-wasm-bindgen/auxiliary"
stdout: none
--- stderr -------------------------------
error: conflicting implementations of trait `IntoWasmAbi` for type `&dyn Fn(&_) -> _`
##[error]  --> fake-test-src-base/coherence/coherence-wasm-bindgen.rs:28:1
   |
LL | impl<'a, 'b, A, R> IntoWasmAbi for &'a (dyn Fn(A) -> R + 'b)
...
...
LL | impl<'a, 'b, A, R> IntoWasmAbi for &'a (dyn for<'x> Fn(&'x A) -> R + 'b)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&dyn Fn(&_) -> _`
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
   = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
   = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
  --> fake-test-src-base/coherence/coherence-wasm-bindgen.rs:10:9
   |
LL | #![deny(coherence_leak_check)]
   |         ^^^^^^^^^^^^^^^^^^^^
---
---- [ui] tests/ui/coherence/coherence_copy_like_err_struct.rs stdout ----
diff of stderr:

6 ...
7 LL | impl MyTrait for lib::MyStruct<MyType> { }
8    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyStruct<MyType>`
-    |
-    = note: upstream crates may add a new impl of trait `lib::MyCopy` for type `lib::MyStruct<MyType>` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_struct/coherence_copy_like_err_struct.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence_copy_like_err_struct.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence_copy_like_err_struct.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_struct" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_struct/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `MyTrait` for type `MyStruct<MyType>`
##[error]  --> fake-test-src-base/coherence/coherence_copy_like_err_struct.rs:19:1
   |
LL | impl<T: lib::MyCopy> MyTrait for T { }
...
...
LL | impl MyTrait for lib::MyStruct<MyType> { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyStruct<MyType>`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs stdout ----
diff of stderr:

6 ...
7 LL | impl MyTrait for lib::MyFundamentalStruct<(MyType,)> { }
8    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyFundamentalStruct<(MyType,)>`
-    |
-    = note: upstream crates may add a new impl of trait `lib::MyCopy` for type `lib::MyFundamentalStruct<(MyType,)>` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple/coherence_copy_like_err_fundamental_struct_tuple.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence_copy_like_err_fundamental_struct_tuple.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `MyTrait` for type `MyFundamentalStruct<(MyType,)>`
##[error]  --> fake-test-src-base/coherence/coherence_copy_like_err_fundamental_struct_tuple.rs:16:1
   |
LL | impl<T: lib::MyCopy> MyTrait for T { }
...
...
LL | impl MyTrait for lib::MyFundamentalStruct<(MyType,)> { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyFundamentalStruct<(MyType,)>`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/coherence_copy_like_err_tuple.rs stdout ----
diff of stderr:

6 ...
7 LL | impl MyTrait for (MyType,) { }
8    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(MyType,)`
-    |
-    = note: upstream crates may add a new impl of trait `lib::MyCopy` for type `(MyType,)` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_tuple/coherence_copy_like_err_tuple.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/coherence_copy_like_err_tuple.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/coherence_copy_like_err_tuple.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_tuple" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/coherence_copy_like_err_tuple/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `MyTrait` for type `(MyType,)`
##[error]  --> fake-test-src-base/coherence/coherence_copy_like_err_tuple.rs:18:1
   |
LL | impl<T: lib::MyCopy> MyTrait for T { }
...
...
LL | impl MyTrait for (MyType,) { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(MyType,)`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs stdout ----
diff of stderr:

6 ...
7 LL | impl<I> From<I> for S
8    | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S`
-    |
-    = note: upstream crates may add a new impl of trait `std::iter::Iterator` for type `()` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/inter-crate-ambiguity-causes-notes/inter-crate-ambiguity-causes-notes.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args coherence/inter-crate-ambiguity-causes-notes.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/coherence/inter-crate-ambiguity-causes-notes.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/inter-crate-ambiguity-causes-notes" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/coherence/inter-crate-ambiguity-causes-notes/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `From<()>` for type `S`
##[error]  --> fake-test-src-base/coherence/inter-crate-ambiguity-causes-notes.rs:9:1
   |
LL | impl From<()> for S {
...
...
LL | impl<I> From<I> for S
   | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/impl-trait/negative-reasoning.rs stdout ----
diff of stderr:

6 ...
7 LL | impl AnotherTrait for D<OpaqueType> {
8    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D<OpaqueType>`
-    |
-    = note: upstream crates may add a new impl of trait `std::fmt::Debug` for type `OpaqueType` in future versions
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/negative-reasoning/negative-reasoning.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args impl-trait/negative-reasoning.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/impl-trait/negative-reasoning.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/negative-reasoning" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/impl-trait/negative-reasoning/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D<OpaqueType>`
##[error]  --> fake-test-src-base/impl-trait/negative-reasoning.rs:19:1
   |
LL | impl<T: std::fmt::Debug> AnotherTrait for T {}
...
...
LL | impl AnotherTrait for D<OpaqueType> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `D<OpaqueType>`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/issues/issue-43355.rs stdout ----
diff of stderr:

6 ...
7 LL | impl<X> Trait1<Box<X>> for A {
8    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `A`
-    |
-    = note: downstream crates may implement trait `Trait2<std::boxed::Box<_>>` for type `A`
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-43355/issue-43355.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args issues/issue-43355.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/issues/issue-43355.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-43355" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-43355/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `Trait1<Box<_>>` for type `A`
##[error]  --> fake-test-src-base/issues/issue-43355.rs:13:1
   |
LL | impl<X, T> Trait1<X> for T where T: Trait2<X> {
...
...
LL | impl<X> Trait1<Box<X>> for A {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `A`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/issues/issue-48728.rs stdout ----
diff of stderr:

7 LL | impl<T: Clone + ?Sized> Clone for Node<[T]> {
9    |
9    |
-    = note: upstream crates may add a new impl of trait `std::clone::Clone` for type `[_]` in future versions
12 
13 error: aborting due to previous error



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-48728/issue-48728.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args issues/issue-48728.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/issues/issue-48728.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-48728" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/issues/issue-48728/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `Clone` for type `Node<[_]>`
##[error]  --> fake-test-src-base/issues/issue-48728.rs:4:10
   |
LL | #[derive(Clone)] //~ ERROR conflicting implementations of trait `Clone`
   |          ^^^^^ conflicting implementation for `Node<[_]>`
...
LL | impl<T: Clone + ?Sized> Clone for Node<[T]> {
   |
   = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error
---

---- [ui] tests/ui/never_type/never-from-impl-is-reserved.rs stdout ----
diff of stderr:

6 LL | // This will conflict with the first impl if we impl `for<T> T: From<!>`.
7 LL | impl<T> MyTrait for T where T: From<!> {}
8    | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyFoo`
-    |
-    = note: permitting this impl would forbid us from adding `impl<T> From<!> for T` later; see rust-lang/rust#64715 for details
12 error: aborting due to previous error
13 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/never_type/never-from-impl-is-reserved/never-from-impl-is-reserved.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args never_type/never-from-impl-is-reserved.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/never_type/never-from-impl-is-reserved.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/never_type/never-from-impl-is-reserved" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/never_type/never-from-impl-is-reserved/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `MyTrait` for type `MyFoo`
##[error]  --> fake-test-src-base/never_type/never-from-impl-is-reserved.rs:10:1
   |
LL | impl MyTrait for MyFoo {}
   | ---------------------- first implementation here
LL | // This will conflict with the first impl if we impl `for<T> T: From<!>`.
LL | impl<T> MyTrait for T where T: From<!> {} //~ ERROR conflicting implementation
   | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `MyFoo`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/specialization/defaultimpl/overlap-projection.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/specialization/defaultimpl/overlap-projection.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/defaultimpl/overlap-projection/a" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/defaultimpl/overlap-projection/auxiliary"
stdout: none
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
##[warning]  --> fake-test-src-base/specialization/defaultimpl/overlap-projection.rs:7:12
   |
   |
LL | #![feature(specialization)] //~ WARN the feature `specialization` is incomplete
   |
   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
   = help: consider using `min_specialization` instead, which is more stable and complete
   = note: `#[warn(incomplete_features)]` on by default
   = note: `#[warn(incomplete_features)]` on by default

error[E0119]: conflicting implementations of trait `Foo` for type `u32`
##[error]  --> fake-test-src-base/specialization/defaultimpl/overlap-projection.rs:22:1
   |
LL | impl Foo for u32 {}
   | ---------------- first implementation here
LL | impl Foo for <u8 as Assoc>::Output {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error[E0119]: conflicting implementations of trait `Foo` for type `u32`
##[error]  --> fake-test-src-base/specialization/defaultimpl/overlap-projection.rs:23:1
   |
LL | impl Foo for u32 {}
LL | impl Foo for u32 {}
   | ---------------- first implementation here
LL | impl Foo for <u8 as Assoc>::Output {}
LL | impl Foo for <u16 as Assoc>::Output {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error: aborting due to 2 previous errors; 1 warning emitted

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/specialization/issue-52050.rs stdout ----
diff of stderr:

16 ...
17 LL | impl IntoPyDictPointer for ()
18    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()`
-    |
-    = note: upstream crates may add a new impl of trait `std::iter::Iterator` for type `()` in future versions
22 error: aborting due to previous error; 1 warning emitted
23 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/issue-52050/issue-52050.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args specialization/issue-52050.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/specialization/issue-52050.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/issue-52050" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/issue-52050/auxiliary"
stdout: none
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
##[warning]  --> fake-test-src-base/specialization/issue-52050.rs:1:12
   |
   |
LL | #![feature(specialization)] //~ WARN the feature `specialization` is incomplete
   |
   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
   = help: consider using `min_specialization` instead, which is more stable and complete
   = note: `#[warn(incomplete_features)]` on by default
   = note: `#[warn(incomplete_features)]` on by default

error[E0119]: conflicting implementations of trait `IntoPyDictPointer` for type `()`
##[error]  --> fake-test-src-base/specialization/issue-52050.rs:28:1
   |
LL | impl<I> IntoPyDictPointer for I
...
...
LL | impl IntoPyDictPointer for () //~ ERROR conflicting implementations
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()`
error: aborting due to previous error; 1 warning emitted

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/specialization/specialization-default-items-drop-coherence.rs#classic stdout ----

error in revision `classic`: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/specialization/specialization-default-items-drop-coherence.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--cfg" "classic" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/specialization-default-items-drop-coherence.classic" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/specialization-default-items-drop-coherence.classic/auxiliary"
stdout: none
error[E0119]: conflicting implementations of trait `Overlap` for type `u32`
##[error]  --> fake-test-src-base/specialization/specialization-default-items-drop-coherence.rs:29:1
   |
   |
LL | impl Overlap for u32 {
...
...
LL | impl Overlap for <u32 as Default>::Id {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/specialization/specialization-overlap-projection.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/specialization/specialization-overlap-projection.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "-C" "prefer-dynamic" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/specialization-overlap-projection/a" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/specialization/specialization-overlap-projection/auxiliary"
stdout: none
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
##[warning]  --> fake-test-src-base/specialization/specialization-overlap-projection.rs:7:12
   |
   |
LL | #![feature(specialization)] //~ WARN the feature `specialization` is incomplete
   |
   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
   = help: consider using `min_specialization` instead, which is more stable and complete
   = note: `#[warn(incomplete_features)]` on by default
   = note: `#[warn(incomplete_features)]` on by default

error[E0119]: conflicting implementations of trait `Foo` for type `u32`
##[error]  --> fake-test-src-base/specialization/specialization-overlap-projection.rs:22:1
   |
LL | impl Foo for u32 {}
   | ---------------- first implementation here
LL | impl Foo for <u8 as Assoc>::Output {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error[E0119]: conflicting implementations of trait `Foo` for type `u32`
##[error]  --> fake-test-src-base/specialization/specialization-overlap-projection.rs:23:1
   |
LL | impl Foo for u32 {}
LL | impl Foo for u32 {}
   | ---------------- first implementation here
LL | impl Foo for <u8 as Assoc>::Output {}
LL | impl Foo for <u16 as Assoc>::Output {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error: aborting due to 2 previous errors; 1 warning emitted

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/traits/issue-105231.rs stdout ----
diff of stderr:

14 LL ~ struct B<T>(Box<A<A<T>>>);
16 
16 
- error[E0275]: overflow evaluating the requirement `A<A<A<A<A<A<A<...>>>>>>>: Send`
+ error[E0119]: conflicting implementations of trait `Foo` for type `B<u8>`
18    |
18    |
-    = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_105231`)
- note: required because it appears within the type `B<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<u8>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
-   --> $DIR/issue-105231.rs:4:8
-    |
- LL | struct B<T>(A<A<T>>);
-    |        ^
+ LL | impl<T> Foo for T where T: Send {}
+    | ----------------- first implementation here
+ LL | impl Foo for B<u8> {}
+    | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `B<u8>`
26 error: aborting due to 2 previous errors
27 

- Some errors have detailed explanations: E0072, E0275.
---
To only update this specific test, also pass `--test-args traits/issue-105231.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/traits/issue-105231.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/issue-105231" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/issue-105231/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0072]: recursive types `A` and `B` have infinite size
##[error]  --> fake-test-src-base/traits/issue-105231.rs:2:1
   |
LL | struct A<T>(B<T>);
   | ^^^^^^^^^^^ ---- recursive without indirection
LL | //~^ ERROR recursive types `A` and `B` have infinite size
LL | struct B<T>(A<A<T>>);
   | ^^^^^^^^^^^ ------- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
   |
LL ~ struct A<T>(Box<B<T>>);
LL | //~^ ERROR recursive types `A` and `B` have infinite size
LL ~ struct B<T>(Box<A<A<T>>>);


error[E0119]: conflicting implementations of trait `Foo` for type `B<u8>`
##[error]  --> fake-test-src-base/traits/issue-105231.rs:7:1
   |
LL | impl<T> Foo for T where T: Send {}
   | ----------------- first implementation here
LL | impl Foo for B<u8> {}
   | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `B<u8>`
error: aborting due to 2 previous errors

Some errors have detailed explanations: E0072, E0119.
For more information about an error, try `rustc --explain E0072`.
For more information about an error, try `rustc --explain E0072`.
------------------------------------------


---- [ui] tests/ui/traits/issue-90662-projection-caching.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/traits/issue-90662-projection-caching.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/issue-90662-projection-caching" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/issue-90662-projection-caching/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `HasProvider<<DbConnection as Provider<TestModule>>::Interface>` for type `TestModule`
##[error]  --> fake-test-src-base/traits/issue-90662-projection-caching.rs:32:1
   |
LL | impl HasProvider<<DbConnection as Provider<Self>>::Interface> for TestModule {}
   | ---------------------------------------------------------------------------- first implementation here
LL | impl HasProvider<<RepositoryImpl as Provider<Self>>::Interface> for TestModule {}
LL | impl HasProvider<<ServiceImpl as Provider<Self>>::Interface> for TestModule {}

error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
For more information about this error, try `rustc --explain E0119`.
------------------------------------------


---- [ui] tests/ui/traits/reservation-impl/coherence-conflict.rs#old stdout ----
diff of stderr:

5    | ---------------------- first implementation here
6 LL | impl<T: MyTrait> OtherTrait for T {}
7    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()`
-    = note: this impl is reserved
10 
11 error: aborting due to previous error
12 
12 


The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/reservation-impl/coherence-conflict.old/coherence-conflict.old.stderr
To only update this specific test, also pass `--test-args traits/reservation-impl/coherence-conflict.rs`


error in revision `old`: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/traits/reservation-impl/coherence-conflict.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--cfg" "old" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/reservation-impl/coherence-conflict.old" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/reservation-impl/coherence-conflict.old/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `OtherTrait` for type `()`
##[error]  --> fake-test-src-base/traits/reservation-impl/coherence-conflict.rs:12:1
   |
LL | impl OtherTrait for () {}
   | ---------------------- first implementation here
LL | impl<T: MyTrait> OtherTrait for T {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
------------------------------------------


---- [ui] tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs stdout ----
diff of stderr:

- error[E0275]: overflow evaluating the requirement `Runtime<RootDatabase>: RefUnwindSafe`
+ error[E0119]: conflicting implementations of trait `Database` for type `RootDatabase`
2    |
2    |
-    = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`cycle_via_builtin_auto_trait_impl`)
- note: required because it appears within the type `RootDatabase`
-   --> $DIR/cycle-via-builtin-auto-trait-impl.rs:13:8
-    |
- LL | struct RootDatabase {
-    |        ^^^^^^^^^^^^
- note: required for `RootDatabase` to implement `Database`
-   --> $DIR/cycle-via-builtin-auto-trait-impl.rs:17:24
-    |
12 LL | impl<T: RefUnwindSafe> Database for T {
-    |         -------------  ^^^^^^^^     ^
-    |         unsatisfied trait bound introduced here
-    |         unsatisfied trait bound introduced here
- note: required because it appears within the type `Runtime<RootDatabase>`
-   --> $DIR/cycle-via-builtin-auto-trait-impl.rs:24:8
-    |
- LL | struct Runtime<DB: Database> {
+    | ------------------------------------- first implementation here
+ ...
+ ...
+ LL | impl Database for RootDatabase {
+    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `RootDatabase`
22 error: aborting due to previous error
23 

- For more information about this error, try `rustc --explain E0275`.
---
To only update this specific test, also pass `--test-args traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/traits/solver-cycles/cycle-via-builtin-auto-trait-impl/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `Database` for type `RootDatabase`
##[error]  --> fake-test-src-base/traits/solver-cycles/cycle-via-builtin-auto-trait-impl.rs:20:1
   |
LL | impl<T: RefUnwindSafe> Database for T {
...
...
LL | impl Database for RootDatabase {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `RootDatabase`
error: aborting due to previous error

For more information about this error, try `rustc --explain E0119`.
------------------------------------------
---
5    | ------------------------- first implementation here
6 LL | impl OtherTrait for i32 {}
7    | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Alias`
-    |
-    = note: upstream crates may add a new impl of trait `coherence_cross_crate_trait_decl::SomeTrait` for type `i32` in future versions
11 error: aborting due to previous error
12 



The actual stderr differed from the expected stderr.
Actual stderr saved to /checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/type-alias-impl-trait/coherence_cross_crate/coherence_cross_crate.stderr
To update references, rerun the tests and pass the `--bless` flag
To only update this specific test, also pass `--test-args type-alias-impl-trait/coherence_cross_crate.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/type-alias-impl-trait/coherence_cross_crate.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=x86_64-unknown-linux-gnu" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Cstrip=debuginfo" "--remap-path-prefix=/checkout/tests/ui=fake-test-src-base" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/type-alias-impl-trait/coherence_cross_crate" "-A" "unused" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/x86_64-unknown-linux-gnu/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/type-alias-impl-trait/coherence_cross_crate/auxiliary"
stdout: none
--- stderr -------------------------------
error[E0119]: conflicting implementations of trait `OtherTrait` for type `Alias`
##[error]  --> fake-test-src-base/type-alias-impl-trait/coherence_cross_crate.rs:21:1
LL | impl OtherTrait for Alias {}
   | ------------------------- first implementation here
LL | impl OtherTrait for i32 {}
   | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Alias`

bors · 2023-07-21T23:51:59Z

☀️ Try build successful - checks-actions
Build commit: 2e32e486ee7945e4b905ff82d6bf81ef77d60daa (2e32e486ee7945e4b905ff82d6bf81ef77d60daa)

compiler-errors · 2023-07-22T01:08:58Z

@craterbot check

craterbot · 2023-07-22T01:09:07Z

👌 Experiment pr-113895 created and queued.
🤖 Automatically detected try build 2e32e486ee7945e4b905ff82d6bf81ef77d60daa
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

craterbot · 2023-07-22T17:48:10Z

🚧 Experiment pr-113895 is now running

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

craterbot · 2023-07-24T01:46:20Z

🎉 Experiment pr-113895 is completed!
📊 130 regressed and 3 fixed (330264 total)
📰 Open the full report.

⚠️ If you notice any spurious failure please add them to the blacklist!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

compiler-errors · 2023-07-24T02:01:10Z

@craterbot run mode=check-only crates=https://crater-reports.s3.amazonaws.com/pr-113895/retry-regressed-list.txt

craterbot · 2023-07-24T02:01:19Z

👌 Experiment pr-113895-1 created and queued.
🤖 Automatically detected try build 2e32e486ee7945e4b905ff82d6bf81ef77d60daa
🔍 You can check out the queue and this experiment's details.

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

craterbot · 2023-07-24T02:01:46Z

🚧 Experiment pr-113895-1 is now running

ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

craterbot · 2023-07-24T02:16:45Z

🎉 Experiment pr-113895-1 is completed!
📊 115 regressed and 0 fixed (130 total)
📰 Open the full report.

⚠️ If you notice any spurious failure please add them to the blacklist!
ℹ️ Crater is a tool to run experiments across parts of the Rust ecosystem. Learn more

compiler-errors · 2023-07-24T05:44:12Z

Filed one bug having to do with the difference in the way that trait solvers treat inductive cycles: rust-lang/trait-system-refactor-initiative#50
And then kicked off another crater run to ignore those failures, seems like there's still more: #113991

Minimized another from async-lazy:

use std::future::Future;
use std::marker::PhantomData;
use std::pin::Pin;

pub(crate) struct Lazy<T, Fut = Pin<Box<dyn Future<Output = T> + Send>>> {
    _fut: PhantomData<Fut>,
    _t: PhantomData<T>,
}

impl<'a, T, Fut> std::future::IntoFuture for Pin<&'a mut Lazy<T, Fut>>
where
    Fut: Future<Output = T>,
{
    type Output = Pin<&'a mut T>;
    type IntoFuture = Pin<Box<dyn Future<Output = Pin<&'a mut T>> + Send>>;

    fn into_future(self) -> Self::IntoFuture {
        todo!()
    }
}

That one fails because we don't treat this goal <<&mut Lazy<?1, ?2> as std::ops::Deref>::Target: std::future::Future as knowable, even though we probably should, since we can normalize the self type of the predicate...

lcnr · 2023-07-24T13:46:17Z

while we're at it

@rust-timer build 679467dda60caf04032ce789aebd47bb6325618c

rust-timer · 2023-07-24T16:01:58Z

Finished benchmarking commit (679467dda60caf04032ce789aebd47bb6325618c): comparison URL.

Overall result: no relevant changes - no action needed

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	0.6%	[0.6%, 0.6%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-2.5%	[-2.5%, -2.5%]	1
Improvements ✅ (secondary)	-2.5%	[-2.5%, -2.5%]	1
All ❌✅ (primary)	-0.9%	[-2.5%, 0.6%]	2

Cycles

This benchmark run did not return any relevant results for this metric.

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 650.008s -> 648.881s (-0.17%)

compiler-errors · 2023-07-24T20:01:02Z

Another failure: rust-lang/trait-system-refactor-initiative#52

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative labels Jul 20, 2023

craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 20, 2023

lcnr reviewed Jul 21, 2023

View reviewed changes

compiler/rustc_session/src/options.rs Show resolved Hide resolved

craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Jul 21, 2023

lcnr mentioned this pull request Jul 21, 2023

Tracking Issue for -Znext-solver #107374

Open

11 tasks

Actually enable next-coherence

e82dcc0

rust-cloud-vms bot force-pushed the crater-next-coherence branch from 8d20469 to e82dcc0 Compare July 21, 2023 22:18

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bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 21, 2023

hacks

6508c9b

craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jul 22, 2023

craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Jul 24, 2023

craterbot added S-waiting-on-crater Status: Waiting on a crater run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 24, 2023

craterbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-crater Status: Waiting on a crater run to be completed. labels Jul 24, 2023

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compiler-errors closed this Aug 11, 2023

compiler-errors deleted the crater-next-coherence branch August 11, 2023 19:58

compiler-errors mentioned this pull request Aug 15, 2023

Tracking issue for -Znext-solver=coherence (next solver enablement in coherence) #114862

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[Experiment] Crater run with `-Ztrait-solver=next-coherence` #113895

[Experiment] Crater run with `-Ztrait-solver=next-coherence` #113895

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[Experiment] Crater run with -Ztrait-solver=next-coherence #113895

[Experiment] Crater run with -Ztrait-solver=next-coherence #113895

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compiler-errors commented Jul 20, 2023

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compiler-errors commented Jul 24, 2023 • edited Loading

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rust-timer commented Jul 24, 2023

Overall result: no relevant changes - no action needed

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compiler-errors commented Jul 24, 2023

[Experiment] Crater run with `-Ztrait-solver=next-coherence` #113895

[Experiment] Crater run with `-Ztrait-solver=next-coherence` #113895

compiler-errors commented Jul 24, 2023 •

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