Aug 02 03:03:11.079 INFO checking openat-0.1.15 against 1.27.2 for lazy_static-1
Aug 02 03:03:11.079 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:03:11.079 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:03:11.079 INFO running `"docker" "create" "-v" "/tmp/crater.1vcCSti7IGru:/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 03:03:11.318 INFO blam! 5d2291022b52cd0568ac3b4de53ecd5c9378417d4a2d9d209fc6d08bd8a734ed
Aug 02 03:03:11.320 INFO running `"docker" "start" "-a" "5d2291022b52cd0568ac3b4de53ecd5c9378417d4a2d9d209fc6d08bd8a734ed"`
Aug 02 03:03:12.137 INFO kablam!     Checking openat v0.1.15 (file:///source)
Aug 02 03:03:13.517 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:03:13.517 INFO kablam!  --> benches/count_processes.rs:1:1
Aug 02 03:03:13.517 INFO kablam!   |
Aug 02 03:03:13.517 INFO kablam! 1 | #![feature(test)]
Aug 02 03:03:13.517 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:03:13.517 INFO kablam! 
Aug 02 03:03:13.517 INFO kablam! error: aborting due to previous error
Aug 02 03:03:13.517 INFO kablam! 
Aug 02 03:03:13.517 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:03:13.523 INFO kablam! error: Could not compile `openat`.
Aug 02 03:03:13.523 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:03:13.637 INFO kablam! error: build failed
Aug 02 03:03:13.639 INFO kablam! su: No module specific data is present
Aug 02 03:03:14.107 INFO running `"docker" "rm" "-f" "5d2291022b52cd0568ac3b4de53ecd5c9378417d4a2d9d209fc6d08bd8a734ed"`
Aug 02 03:03:14.248 INFO blam! 5d2291022b52cd0568ac3b4de53ecd5c9378417d4a2d9d209fc6d08bd8a734ed