Aug 02 05:14:31.105 INFO checking lifeguard-0.5.2 against 1.27.2 for lazy_static-1
Aug 02 05:14:31.105 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:14:31.105 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:14:31.105 INFO running `"docker" "create" "-v" "/tmp/crater.Gk5k80htj7Py:/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 02 05:14:31.476 INFO blam! 1cb211ad48be2a7c99fa286b4f9d2d3fa17fc1b74a3d1c61619d1b65b7065cca
Aug 02 05:14:31.478 INFO running `"docker" "start" "-a" "1cb211ad48be2a7c99fa286b4f9d2d3fa17fc1b74a3d1c61619d1b65b7065cca"`
Aug 02 05:14:32.509 INFO kablam!     Checking lifeguard v0.5.2 (file:///source)
Aug 02 05:14:34.540 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:14:34.540 INFO kablam!  --> benches/lib.rs:1:1
Aug 02 05:14:34.540 INFO kablam!   |
Aug 02 05:14:34.540 INFO kablam! 1 | #![feature(test)]
Aug 02 05:14:34.540 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:14:34.540 INFO kablam! 
Aug 02 05:14:34.540 INFO kablam! error: aborting due to previous error
Aug 02 05:14:34.540 INFO kablam! 
Aug 02 05:14:34.540 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:14:34.541 INFO kablam! error: Could not compile `lifeguard`.
Aug 02 05:14:34.541 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:14:35.138 INFO kablam! error: build failed
Aug 02 05:14:35.139 INFO kablam! su: No module specific data is present
Aug 02 05:14:35.799 INFO running `"docker" "rm" "-f" "1cb211ad48be2a7c99fa286b4f9d2d3fa17fc1b74a3d1c61619d1b65b7065cca"`
Aug 02 05:14:35.966 INFO blam! 1cb211ad48be2a7c99fa286b4f9d2d3fa17fc1b74a3d1c61619d1b65b7065cca