Aug 01 21:37:47.405 INFO checking spinlock-0.1.2 against 1.27.2 for lazy_static-1
Aug 01 21:37:47.405 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:37:47.405 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:37:47.405 INFO running `"docker" "create" "-v" "/tmp/crater.FIv4wxfLd7Sn:/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 21:37:47.578 INFO blam! 9a0060b64a6b4c3b1a6cb2125d29c40784b3fcda0d73c11983e52a5f966a59c2
Aug 01 21:37:47.580 INFO running `"docker" "start" "-a" "9a0060b64a6b4c3b1a6cb2125d29c40784b3fcda0d73c11983e52a5f966a59c2"`
Aug 01 21:37:48.708 INFO kablam!     Checking spinlock v0.1.2 (file:///source)
Aug 01 21:37:48.900 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:37:48.900 INFO kablam!   --> src/lib.rs:76:1
Aug 01 21:37:48.900 INFO kablam!    |
Aug 01 21:37:48.900 INFO kablam! 76 | #![feature(const_fn)]
Aug 01 21:37:48.901 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:37:48.901 INFO kablam! 
Aug 01 21:37:48.901 INFO kablam! error: aborting due to previous error
Aug 01 21:37:48.902 INFO kablam! 
Aug 01 21:37:48.902 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:37:48.906 INFO kablam! error: Could not compile `spinlock`.
Aug 01 21:37:48.906 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:37:49.013 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:37:49.013 INFO kablam!   --> src/lib.rs:76:1
Aug 01 21:37:49.013 INFO kablam!    |
Aug 01 21:37:49.013 INFO kablam! 76 | #![feature(const_fn)]
Aug 01 21:37:49.013 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:37:49.013 INFO kablam! 
Aug 01 21:37:49.014 INFO kablam! error: aborting due to previous error
Aug 01 21:37:49.014 INFO kablam! 
Aug 01 21:37:49.014 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:37:49.020 INFO kablam! error: Could not compile `spinlock`.
Aug 01 21:37:49.020 INFO kablam! 
Aug 01 21:37:49.020 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:37:49.021 INFO kablam! su: No module specific data is present
Aug 01 21:37:49.967 INFO running `"docker" "rm" "-f" "9a0060b64a6b4c3b1a6cb2125d29c40784b3fcda0d73c11983e52a5f966a59c2"`
Aug 01 21:37:50.104 INFO blam! 9a0060b64a6b4c3b1a6cb2125d29c40784b3fcda0d73c11983e52a5f966a59c2