Revert "Enable type layout randomization in CI on nightly"

This reverts commit ef7636f.

rust-lang/rust#101646

    thread 'rustc' panicked at 'assertion failed: target_offset >= offset', compiler/rustc_codegen_llvm/src/type_of.rs:126:9
    stack backtrace:
       0:     0x7f5ec70a0a7a - std::backtrace_rs::backtrace::libunwind::trace::h9ab7cd28287cf18f
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
       1:     0x7f5ec70a0a7a - std::backtrace_rs::backtrace::trace_unsynchronized::h3e7e6ca06d1d63cf
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
       2:     0x7f5ec70a0a7a - std::sys_common::backtrace::_print_fmt::h5b6184fd459f0c71
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/sys_common/backtrace.rs:65:5
       3:     0x7f5ec70a0a7a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8ed5468732b78071
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/sys_common/backtrace.rs:44:22
       4:     0x7f5ec71009fe - core::fmt::write::h89c1e855e81d7a96
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/core/src/fmt/mod.rs:1232:17
       5:     0x7f5ec7090f25 - std::io::Write::write_fmt::ha23ba71db044374b
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/io/mod.rs:1684:15
       6:     0x7f5ec70a0845 - std::sys_common::backtrace::_print::h194cdf55c322d5fe
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/sys_common/backtrace.rs:47:5
       7:     0x7f5ec70a0845 - std::sys_common::backtrace::print::h4549e75783bab124
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/sys_common/backtrace.rs:34:9
       8:     0x7f5ec70a35bf - std::panicking::default_hook::{{closure}}::h04a46ea9ff60bf2c
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/panicking.rs:267:22
       9:     0x7f5ec70a32fb - std::panicking::default_hook::h6f3c116d48f73fba
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/panicking.rs:286:9
      10:     0x7f5eca3725f5 - <rustc_driver_impl[48a98004e06292cf]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[69c2f5c35675f1ee]::ops::function::FnOnce<(&core[69c2f5c35675f1ee]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
      11:     0x7f5ec70a3dfd - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h779d28c2deb011a8
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/alloc/src/boxed.rs:2002:9
      12:     0x7f5ec70a3dfd - std::panicking::rust_panic_with_hook::h5a936503487f19f5
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/panicking.rs:692:13
      13:     0x7f5ec70a3b32 - std::panicking::begin_panic_handler::{{closure}}::hf8db4efce7a7f23f
      31:     0x7f41b0ad0088 - <rustc_middle[2a277d44e6a99f4f]::ty::context::GlobalCtxt>::enter::<<rustc_interface[3e6023fe39c52850]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[69c2f5c35675f1ee]::result::Result<alloc[d821da156a43ed98]::boxed::Box<dyn core[69c2f5c35675f1ee]::any::Any>, rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>>
      32:     0x7f41b0acf774 - <rustc_interface[3e6023fe39c52850]::queries::Queries>::ongoing_codegen
      33:     0x7f41b0ace91a - <rustc_interface[3e6023fe39c52850]::interface::Compiler>::enter::<rustc_driver_impl[48a98004e06292cf]::run_compiler::{closure#1}::{closure#2}, core[69c2f5c35675f1ee]::result::Result<core[69c2f5c35675f1ee]::option::Option<rustc_interface[3e6023fe39c52850]::queries::Linker>, rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>>
      34:     0x7f41b0acc9c4 - rustc_span[97beb3ced854c2e2]::with_source_map::<core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>, rustc_interface[3e6023fe39c52850]::interface::run_compiler<core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>, rustc_driver_impl[48a98004e06292cf]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
      35:     0x7f41b0acbf2d - std[d6315e0f51da5517]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[3e6023fe39c52850]::util::run_in_thread_pool_with_globals<rustc_interface[3e6023fe39c52850]::interface::run_compiler<core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>, rustc_driver_impl[48a98004e06292cf]::run_compiler::{closure#1}>::{closure#0}, core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>>
      36:     0x7f41b0acb97c - <<std[d6315e0f51da5517]::thread::Builder>::spawn_unchecked_<rustc_interface[3e6023fe39c52850]::util::run_in_thread_pool_with_globals<rustc_interface[3e6023fe39c52850]::interface::run_compiler<core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>, rustc_driver_impl[48a98004e06292cf]::run_compiler::{closure#1}>::{closure#0}, core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[69c2f5c35675f1ee]::result::Result<(), rustc_errors[abf5e0320c3520e7]::ErrorGuaranteed>>::{closure#1} as core[69c2f5c35675f1ee]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
      37:     0x7f41ae57fc83 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::heeffe32503a99aa5
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/alloc/src/boxed.rs:1988:9
      38:     0x7f41ae57fc83 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5085270dbf970bb4
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/alloc/src/boxed.rs:1988:9
      39:     0x7f41ae57fc83 - std::sys::unix::thread::Thread::new::thread_start::h76c3abd575e0d195
                                   at /rustc/4507fdaaa27ea2fb59a41df2ce7d1f290da53dae/library/std/src/sys/unix/thread.rs:108:17
      40:     0x7f41ae2c0b43 - <unknown>
      41:     0x7f41ae352a00 - <unknown>
      42:                0x0 - <unknown>

    error: the compiler unexpectedly panicked. this is a bug.

    note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

    note: rustc 1.69.0-nightly (4507fdaaa 2023-02-18) running on x86_64-unknown-linux-gnu

    note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -Z randomize-layout

    note: some of the compiler flags provided by cargo are hidden

    query stack during panic:
    end of query stack
    error: could not compile `prettyplease`
    Error: Process completed with exit code 101.

.github/workflows/ci.yml

@@ -31,9 +31,6 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{matrix.rust}}
-      - name: Enable type layout randomization
-        run: echo RUSTFLAGS=${RUSTFLAGS}\ -Zrandomize-layout >> $GITHUB_ENV
-        if: matrix.rust == 'nightly'
       - run: cargo check
       - run: cargo check --features verbatim
       - run: cargo test
@@ -51,8 +48,6 @@ jobs:
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: llvm-tools, rustc-dev, rustfmt
-      - name: Enable type layout randomization
-        run: echo RUSTFLAGS=${RUSTFLAGS}\ -Zrandomize-layout >> $GITHUB_ENV
       - run: cargo run --manifest-path examples/update/Cargo.toml
       - run: git diff --exit-code
       - run: cargo run --manifest-path cargo-expand/update/Cargo.toml