Aug 01 16:27:24.391 INFO checking jackpot51/friar against 1.27.2 for lazy_static-1
Aug 01 16:27:24.391 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:27:24.391 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:27:24.391 INFO running `"docker" "create" "-v" "/tmp/crater.DnY4vrwAFu1w:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 16:27:24.648 INFO blam! 5b26b861995e35118a8b81afce6d9c126a92db86cd32e01f26490f7c5ae91805
Aug 01 16:27:24.649 INFO running `"docker" "start" "-a" "5b26b861995e35118a8b81afce6d9c126a92db86cd32e01f26490f7c5ae91805"`
Aug 01 16:27:26.192 INFO kablam!    Compiling protobuf v2.0.4
Aug 01 16:27:26.199 INFO kablam!    Compiling procedural-masquerade v0.1.5
Aug 01 16:27:26.201 INFO kablam!     Checking cast_trait v0.1.2
Aug 01 16:27:26.203 INFO kablam!     Checking stable_deref_trait v1.1.0
Aug 01 16:27:26.206 INFO kablam!     Checking pub-iterator-type v0.1.1
Aug 01 16:27:26.223 INFO kablam!     Checking crossbeam-epoch v0.4.3
Aug 01 16:27:26.223 INFO kablam!     Checking crossbeam-epoch v0.3.1
Aug 01 16:27:26.224 INFO kablam!     Checking rusttype v0.2.3
Aug 01 16:27:27.902 INFO kablam!    Compiling bzip2-sys v0.1.6
Aug 01 16:27:28.022 INFO kablam!    Compiling syn v0.11.11
Aug 01 16:27:32.267 INFO kablam!     Checking par-map v0.1.4
Aug 01 16:27:32.462 INFO kablam!     Checking crossbeam-deque v0.2.0
Aug 01 16:27:32.742 INFO kablam!     Checking flate2 v0.2.20
Aug 01 16:27:33.003 INFO kablam!     Checking crossbeam-deque v0.3.1
Aug 01 16:27:35.933 INFO kablam!     Checking flat_map v0.0.7
Aug 01 16:27:36.831 INFO kablam!     Checking rayon-core v1.4.1
Aug 01 16:27:36.853 INFO kablam!     Checking bzip2 v0.3.3
Aug 01 16:27:40.487 INFO kablam!     Checking vec3 v0.2.0
Aug 01 16:27:41.200 INFO kablam!     Checking tokio-threadpool v0.1.5
Aug 01 16:27:45.067 INFO kablam!     Checking zip v0.4.2
Aug 01 16:27:46.285 INFO kablam!     Checking rayon v0.8.2
Aug 01 16:27:46.938 INFO kablam!     Checking rayon v1.0.2
Aug 01 16:27:47.749 INFO kablam!     Checking vec2 v0.2.0
Aug 01 16:27:54.125 INFO kablam!     Checking polygon2 v0.3.0
Aug 01 16:27:56.194 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:27:56.194 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/polygon2-0.3.0/src/lib.rs:1:1
Aug 01 16:27:56.194 INFO kablam!   |
Aug 01 16:27:56.194 INFO kablam! 1 | #![feature(alloc)]
Aug 01 16:27:56.194 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 01 16:27:56.194 INFO kablam! 
Aug 01 16:27:56.196 INFO kablam! error: aborting due to previous error
Aug 01 16:27:56.196 INFO kablam! 
Aug 01 16:27:56.196 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:27:56.255 INFO kablam! error: Could not compile `polygon2`.
Aug 01 16:27:56.255 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:28:57.834 INFO kablam! error: build failed
Aug 01 16:28:57.835 INFO kablam! su: No module specific data is present
Aug 01 16:28:58.373 INFO running `"docker" "rm" "-f" "5b26b861995e35118a8b81afce6d9c126a92db86cd32e01f26490f7c5ae91805"`
Aug 01 16:28:58.503 INFO blam! 5b26b861995e35118a8b81afce6d9c126a92db86cd32e01f26490f7c5ae91805