Aug 01 22:19:20.154 INFO checking shepplogan-1.0.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:19:20.154 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:19:20.154 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:19:20.154 INFO running `"docker" "create" "-v" "/tmp/crater.LcmSnarcyh2P:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 01 22:19:20.420 INFO blam! 33420bf9a1f8729f12bebea03984177a59c42d215ef0f40669ad976941d72ebd
Aug 01 22:19:20.421 INFO running `"docker" "start" "-a" "33420bf9a1f8729f12bebea03984177a59c42d215ef0f40669ad976941d72ebd"`
Aug 01 22:19:21.472 INFO kablam!     Checking shepplogan v1.0.0 (file:///source)
Aug 01 22:19:22.690 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:19:22.690 INFO kablam!   --> benches/bench.rs:10:1
Aug 01 22:19:22.690 INFO kablam!    |
Aug 01 22:19:22.690 INFO kablam! 10 | #![feature(test)]
Aug 01 22:19:22.690 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 01 22:19:22.690 INFO kablam! 
Aug 01 22:19:22.691 INFO kablam! error: aborting due to previous error
Aug 01 22:19:22.691 INFO kablam! 
Aug 01 22:19:22.691 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:19:22.700 INFO kablam! error: Could not compile `shepplogan`.
Aug 01 22:19:22.700 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:19:23.367 INFO kablam! error: build failed
Aug 01 22:19:23.368 INFO kablam! su: No module specific data is present
Aug 01 22:19:24.014 INFO running `"docker" "rm" "-f" "33420bf9a1f8729f12bebea03984177a59c42d215ef0f40669ad976941d72ebd"`
Aug 01 22:19:24.172 INFO blam! 33420bf9a1f8729f12bebea03984177a59c42d215ef0f40669ad976941d72ebd