Aug 01 20:23:42.070 INFO checking tiny-keccak-1.3.1 against 1.27.2 for lazy_static-1
Aug 01 20:23:42.070 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:23:42.070 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:23:42.070 INFO running `"docker" "create" "-v" "/tmp/crater.NiRFd5jVaOUH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 20:23:42.333 INFO blam! f4c43e9b6c7a3941871eca057af0482bf4bd5c6bc05846268634116237951e20
Aug 01 20:23:42.333 INFO running `"docker" "start" "-a" "f4c43e9b6c7a3941871eca057af0482bf4bd5c6bc05846268634116237951e20"`
Aug 01 20:23:43.409 INFO kablam! warning: profile `doc` is deprecated and has no effect
Aug 01 20:23:43.414 INFO kablam!     Checking tiny-keccak v1.3.1 (file:///source)
Aug 01 20:23:44.877 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:23:44.878 INFO kablam!  --> benches/sha3.rs:6:1
Aug 01 20:23:44.878 INFO kablam!   |
Aug 01 20:23:44.878 INFO kablam! 6 | #![feature(test)]
Aug 01 20:23:44.878 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:23:44.878 INFO kablam! 
Aug 01 20:23:44.878 INFO kablam! error: aborting due to previous error
Aug 01 20:23:44.878 INFO kablam! 
Aug 01 20:23:44.878 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:23:44.899 INFO kablam! error: Could not compile `tiny-keccak`.
Aug 01 20:23:44.899 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:23:45.317 INFO kablam! error: build failed
Aug 01 20:23:45.318 INFO kablam! su: No module specific data is present
Aug 01 20:23:45.850 INFO running `"docker" "rm" "-f" "f4c43e9b6c7a3941871eca057af0482bf4bd5c6bc05846268634116237951e20"`
Aug 01 20:23:46.038 INFO blam! f4c43e9b6c7a3941871eca057af0482bf4bd5c6bc05846268634116237951e20