Aug 02 09:21:44.082 INFO checking genmesh-0.4.3 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:21:44.082 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:21:44.082 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:21:44.082 INFO running `"docker" "create" "-v" "/tmp/crater.yT5s0PLfNNpW:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 02 09:21:44.271 INFO blam! 449bd9926da7609b8a07922bafa259e3290dfc813fd446534a8bef9f599568bb
Aug 02 09:21:44.273 INFO running `"docker" "start" "-a" "449bd9926da7609b8a07922bafa259e3290dfc813fd446534a8bef9f599568bb"`
Aug 02 09:21:45.993 INFO kablam!     Checking genmesh v0.4.3 (file:///source)
Aug 02 09:21:49.615 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:21:49.615 INFO kablam!   --> benches/bench.rs:15:1
Aug 02 09:21:49.615 INFO kablam!    |
Aug 02 09:21:49.615 INFO kablam! 15 | #![feature(test)]
Aug 02 09:21:49.615 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 09:21:49.634 INFO kablam! 
Aug 02 09:21:49.634 INFO kablam! error: aborting due to previous error
Aug 02 09:21:49.634 INFO kablam! 
Aug 02 09:21:49.634 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:21:49.642 INFO kablam! error: Could not compile `genmesh`.
Aug 02 09:21:49.643 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:21:50.599 INFO kablam! error: build failed
Aug 02 09:21:50.601 INFO kablam! su: No module specific data is present
Aug 02 09:21:51.584 INFO running `"docker" "rm" "-f" "449bd9926da7609b8a07922bafa259e3290dfc813fd446534a8bef9f599568bb"`
Aug 02 09:21:51.751 INFO blam! 449bd9926da7609b8a07922bafa259e3290dfc813fd446534a8bef9f599568bb