Implement compatibility shim around rand_core 0.5

.travis.yml

@@ -66,8 +66,8 @@ matrix:
         # TODO: add simd_support feature:
         - cargo test --features=serde1,log
         - cargo test --examples
-        - cargo test --manifest-path rand_core/Cargo.toml
-        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features
+        - cargo test --manifest-path rand_core/Cargo.toml --tests
+        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --tests
         - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
         # TODO: cannot test rand_pcg due to explicit dependency on i128
         - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
@@ -88,8 +88,8 @@ matrix:
         # TODO: add simd_support feature:
         - cargo test --features=serde1,log
         - cargo test --examples
-        - cargo test --manifest-path rand_core/Cargo.toml
-        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features
+        - cargo test --manifest-path rand_core/Cargo.toml --tests
+        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --tests
         - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
         - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
         - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
@@ -116,8 +116,8 @@ matrix:
         - cargo test --all-features
         - cargo test --benches --features=nightly
         - cargo test --examples
-        - cargo test --manifest-path rand_core/Cargo.toml
-        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --features=alloc
+        - cargo test --manifest-path rand_core/Cargo.toml --tests
+        - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --features=alloc --tests
         - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
         - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
         - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1
@@ -209,8 +209,8 @@ script:
   # TODO: add simd_support feature:
   - cargo test --features=serde1,log
   - cargo test --examples
-  - cargo test --manifest-path rand_core/Cargo.toml
-  - cargo test --manifest-path rand_core/Cargo.toml --no-default-features
+  - cargo test --manifest-path rand_core/Cargo.toml --tests
+  - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --tests
   - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
   - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
   - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1

Cargo.toml

@@ -82,6 +82,3 @@ autocfg = "0.1"
 
 [package.metadata.docs.rs]
 all-features = true
-
-[patch.crates-io]
-rand_core = { path = "rand_core", version = "0.4" }

appveyor.yml

@@ -37,8 +37,8 @@ test_script:
   - cargo test --features=serde1,log
   - cargo test --benches --features=nightly
   - cargo test --examples
-  - cargo test --manifest-path rand_core/Cargo.toml
-  - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --features=alloc
+  - cargo test --manifest-path rand_core/Cargo.toml --tests
+  - cargo test --manifest-path rand_core/Cargo.toml --no-default-features --features=alloc --tests
   - cargo test --manifest-path rand_isaac/Cargo.toml --features=serde1
   - cargo test --manifest-path rand_pcg/Cargo.toml --features=serde1
   - cargo test --manifest-path rand_xorshift/Cargo.toml --features=serde1

rand_core/CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.2] - 2019-06-??
+- Compatibility shim around version 0.5
+
 ## [0.4.0] - 2019-01-24
 - Disable the `std` feature by default (#702)
 

rand_core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rand_core"
-version = "0.4.0"
+version = "0.4.2"
 authors = ["The Rand Project Developers", "The Rust Project Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
@@ -18,10 +18,9 @@ travis-ci = { repository = "rust-random/rand" }
 appveyor = { repository = "rust-random/rand" }
 
 [features]
-std = ["alloc"]    # use std library; should be default but for above bug
-alloc = []  # enables Vec and Box support without std
-serde1 = ["serde", "serde_derive"] # enables serde for BlockRng wrapper
+std = ["rand_core/std"]    # use std library; should be default but for above bug
+alloc = ["rand_core/alloc"]  # enables Vec and Box support without std
+serde1 = ["rand_core/serde1"] # enables serde for BlockRng wrapper
 
 [dependencies]
-serde = { version = "1", optional = true }
-serde_derive = { version = "^1.0.38", optional = true }
+rand_core = { version = "0.5" }