Aug 02 09:32:15.166 INFO checking fxhash-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:32:15.166 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:32:15.166 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:32:15.166 INFO running `"docker" "create" "-v" "/tmp/crater.55mD54ltHax4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/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 02 09:32:15.559 INFO blam! d7a9a5dc3547b579fe3c26e6ac708b81bc43afcea84d6570eeb2fd58f1d23bcb
Aug 02 09:32:15.610 INFO running `"docker" "start" "-a" "d7a9a5dc3547b579fe3c26e6ac708b81bc43afcea84d6570eeb2fd58f1d23bcb"`
Aug 02 09:32:16.885 INFO kablam!     Checking fxhash v0.2.1 (file:///source)
Aug 02 09:32:18.593 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:32:18.593 INFO kablam!  --> bench.rs:1:1
Aug 02 09:32:18.593 INFO kablam!   |
Aug 02 09:32:18.593 INFO kablam! 1 | #![feature(test)]
Aug 02 09:32:18.593 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 09:32:18.593 INFO kablam! 
Aug 02 09:32:18.594 INFO kablam! error: aborting due to previous error
Aug 02 09:32:18.594 INFO kablam! 
Aug 02 09:32:18.594 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:32:18.602 INFO kablam! error: Could not compile `fxhash`.
Aug 02 09:32:18.602 INFO kablam! 
Aug 02 09:32:18.602 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 09:32:18.604 INFO kablam! su: No module specific data is present
Aug 02 09:32:19.877 INFO running `"docker" "rm" "-f" "d7a9a5dc3547b579fe3c26e6ac708b81bc43afcea84d6570eeb2fd58f1d23bcb"`
Aug 02 09:32:20.032 INFO blam! d7a9a5dc3547b579fe3c26e6ac708b81bc43afcea84d6570eeb2fd58f1d23bcb