Aug 02 02:44:13.605 INFO checking pangu-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:44:13.605 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:44:13.605 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:44:13.605 INFO running `"docker" "create" "-v" "/tmp/crater.bDUiZC9aNwZh:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 02:44:13.830 INFO blam! dd72f7fc8747ad55b8feb2bb1c4e5b61f413266dacbf1fbd844110229ec17263
Aug 02 02:44:13.834 INFO running `"docker" "start" "-a" "dd72f7fc8747ad55b8feb2bb1c4e5b61f413266dacbf1fbd844110229ec17263"`
Aug 02 02:44:15.303 INFO kablam!     Checking pangu v0.2.0 (file:///source)
Aug 02 02:44:17.041 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:44:17.041 INFO kablam!  --> benches/spacing.rs:1:1
Aug 02 02:44:17.041 INFO kablam!   |
Aug 02 02:44:17.041 INFO kablam! 1 | #![feature(test)]
Aug 02 02:44:17.041 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:44:17.041 INFO kablam! 
Aug 02 02:44:17.042 INFO kablam! error: aborting due to previous error
Aug 02 02:44:17.042 INFO kablam! 
Aug 02 02:44:17.042 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:44:17.049 INFO kablam! error: Could not compile `pangu`.
Aug 02 02:44:17.049 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:44:18.654 INFO kablam! error: build failed
Aug 02 02:44:18.655 INFO kablam! su: No module specific data is present
Aug 02 02:44:19.282 INFO running `"docker" "rm" "-f" "dd72f7fc8747ad55b8feb2bb1c4e5b61f413266dacbf1fbd844110229ec17263"`
Aug 02 02:44:19.493 INFO blam! dd72f7fc8747ad55b8feb2bb1c4e5b61f413266dacbf1fbd844110229ec17263