Aug 01 18:36:20.945 INFO checking woothee-0.8.0 against 1.27.2 for lazy_static-1
Aug 01 18:36:20.946 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:36:20.946 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:36:20.946 INFO running `"docker" "create" "-v" "/tmp/crater.dP0aVJM9tMSP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 18:36:21.130 INFO blam! 6b495f933febd313966b6d320237a77b3003b814512ae5472b67c77d17d58997
Aug 01 18:36:21.136 INFO running `"docker" "start" "-a" "6b495f933febd313966b6d320237a77b3003b814512ae5472b67c77d17d58997"`
Aug 01 18:36:22.568 INFO kablam!    Compiling woothee v0.8.0 (file:///source)
Aug 01 18:36:22.573 INFO kablam!     Checking uap-rust v0.0.4
Aug 01 18:36:28.346 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:36:28.346 INFO kablam!  --> benches/benchmark.rs:1:1
Aug 01 18:36:28.346 INFO kablam!   |
Aug 01 18:36:28.346 INFO kablam! 1 | #![feature(test)]
Aug 01 18:36:28.346 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 18:36:28.346 INFO kablam! 
Aug 01 18:36:28.347 INFO kablam! error: aborting due to previous error
Aug 01 18:36:28.347 INFO kablam! 
Aug 01 18:36:28.347 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:36:28.391 INFO kablam! error: Could not compile `woothee`.
Aug 01 18:36:28.392 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:36:34.540 INFO kablam! error: build failed
Aug 01 18:36:34.542 INFO kablam! su: No module specific data is present
Aug 01 18:36:35.278 INFO running `"docker" "rm" "-f" "6b495f933febd313966b6d320237a77b3003b814512ae5472b67c77d17d58997"`
Aug 01 18:36:35.415 INFO blam! 6b495f933febd313966b6d320237a77b3003b814512ae5472b67c77d17d58997