Aug 02 15:13:10.387 INFO checking afsort-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 15:13:10.387 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:13:10.387 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:13:10.388 INFO running `"docker" "create" "-v" "/tmp/crater.x0g3azCRMTLN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 15:13:10.624 INFO blam! ef088fa0e507be72acc4bd0979133c2ee55313da2afc1c018b2f53f70be0dce3
Aug 02 15:13:10.627 INFO running `"docker" "start" "-a" "ef088fa0e507be72acc4bd0979133c2ee55313da2afc1c018b2f53f70be0dce3"`
Aug 02 15:13:11.567 INFO kablam!     Checking afsort v0.2.0 (file:///source)
Aug 02 15:13:15.000 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:13:15.000 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 15:13:15.000 INFO kablam!   |
Aug 02 15:13:15.000 INFO kablam! 1 | #![feature(test)]
Aug 02 15:13:15.000 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 15:13:15.007 INFO kablam! 
Aug 02 15:13:15.007 INFO kablam! error: aborting due to previous error
Aug 02 15:13:15.007 INFO kablam! 
Aug 02 15:13:15.007 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 15:13:15.036 INFO kablam! error: Could not compile `afsort`.
Aug 02 15:13:15.036 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 15:13:15.047 INFO kablam! error: build failed
Aug 02 15:13:15.048 INFO kablam! su: No module specific data is present
Aug 02 15:13:15.678 INFO running `"docker" "rm" "-f" "ef088fa0e507be72acc4bd0979133c2ee55313da2afc1c018b2f53f70be0dce3"`
Aug 02 15:13:15.879 INFO blam! ef088fa0e507be72acc4bd0979133c2ee55313da2afc1c018b2f53f70be0dce3