Aug 01 16:47:50.370 INFO checking eun-ice/atomicring against 1.27.2+tmplazy for lazy_static-1
Aug 01 16:47:50.370 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:47:50.370 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:47:50.370 INFO running `"docker" "create" "-v" "/tmp/crater.KcOHaNnTWNae:/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 01 16:47:50.677 INFO blam! 9549cca3adceccf5f8c66a037464e26eb194285feb27ab765226d9b364f4aca8
Aug 01 16:47:50.679 INFO running `"docker" "start" "-a" "9549cca3adceccf5f8c66a037464e26eb194285feb27ab765226d9b364f4aca8"`
Aug 01 16:47:51.853 INFO kablam!     Checking mpmc v0.1.5
Aug 01 16:47:51.855 INFO kablam!     Checking atomicring v1.0.0 (file:///source)
Aug 01 16:47:53.631 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:47:53.631 INFO kablam!  --> benches/bench_atomic_ring.rs:1:1
Aug 01 16:47:53.631 INFO kablam!   |
Aug 01 16:47:53.631 INFO kablam! 1 | #![feature(test)]
Aug 01 16:47:53.631 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 16:47:53.631 INFO kablam! 
Aug 01 16:47:53.632 INFO kablam! error: aborting due to previous error
Aug 01 16:47:53.632 INFO kablam! 
Aug 01 16:47:53.632 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:47:53.639 INFO kablam! error: Could not compile `atomicring`.
Aug 01 16:47:53.640 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:47:54.595 INFO kablam! error: build failed
Aug 01 16:47:54.597 INFO kablam! su: No module specific data is present
Aug 01 16:47:55.150 INFO running `"docker" "rm" "-f" "9549cca3adceccf5f8c66a037464e26eb194285feb27ab765226d9b364f4aca8"`
Aug 01 16:47:55.299 INFO blam! 9549cca3adceccf5f8c66a037464e26eb194285feb27ab765226d9b364f4aca8