Add rand_pcg to workspace and fix Cargo.toml

This includes forcing bincode/i128 to fix *most* test runners

.travis.yml

@@ -60,6 +60,19 @@ matrix:
   include:
     - rust: 1.22.0
       env: DESCRIPTION="pinned stable Rust release"
+      script:
+        # Differs from standard script: rand_pcg features
+        - cargo test --lib --no-default-features
+        # 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_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
+        - cargo test --manifest-path rand_chacha/Cargo.toml
+        - cargo test --manifest-path rand_hc128/Cargo.toml
 
     - rust: stable
       env: DESCRIPTION="stable Rust release, macOS, iOS (cross-compile only)"

Cargo.toml

@@ -28,7 +28,7 @@ simd_support = ["packed_simd"] # enables SIMD support
 serde1 = ["rand_core/serde1", "rand_isaac/serde1", "rand_xorshift/serde1"] # enables serialization for PRNGs
 
 [workspace]
-members = ["rand_core", "rand_isaac", "rand_chacha", "rand_hc128", "rand_xorshift"]
+members = ["rand_core", "rand_isaac", "rand_chacha", "rand_hc128", "rand_pcg", "rand_xorshift"]
 
 [dependencies]
 rand_core = { path = "rand_core", version = "0.3", default-features = false }

rand_pcg/Cargo.toml

@@ -22,14 +22,16 @@ appveyor = { repository = "rust-random/rand" }
 serde1 = ["serde", "serde_derive"]
 
 [dependencies]
-rand_core = { version = "0.3", default-features=false }
+rand_core = { path = "../rand_core", version = "0.3", default-features=false }
 serde = { version = "1", optional = true }
 serde_derive = { version = "^1.0.38", optional = true }
 
 [dev-dependencies]
 # This is for testing serde, unfortunately we can't specify feature-gated dev
 # deps yet, see: https://github.com/rust-lang/cargo/issues/1596
-bincode = { version = "1" }
+# TODO: we shouldn't have to depend on i128 directly; it breaks tests on old
+# compilers. `bincode` should automatically support this.
+bincode = { version = "1", features = ["i128"] }
 
 [build-dependencies]
 rustc_version = "0.2"