Aug 01 23:30:11.697 INFO checking rust_info-0.1.14 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:30:11.697 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:30:11.697 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:30:11.697 INFO running `"docker" "create" "-v" "/tmp/crater.v733rpSAdbMw:/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 01 23:30:11.920 INFO blam! cd6682c1d37dfca67238825e50d52ed3808bf0ab9ecf4a7f7887f2400f762f30
Aug 01 23:30:11.928 INFO running `"docker" "start" "-a" "cd6682c1d37dfca67238825e50d52ed3808bf0ab9ecf4a7f7887f2400f762f30"`
Aug 01 23:30:12.871 INFO kablam!     Checking rust_info v0.1.14 (file:///source)
Aug 01 23:30:14.660 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:30:14.660 INFO kablam!  --> benches/bench_get.rs:1:1
Aug 01 23:30:14.660 INFO kablam!   |
Aug 01 23:30:14.660 INFO kablam! 1 | #![feature(test)]
Aug 01 23:30:14.660 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 23:30:14.660 INFO kablam! 
Aug 01 23:30:14.660 INFO kablam! error: aborting due to previous error
Aug 01 23:30:14.660 INFO kablam! 
Aug 01 23:30:14.660 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:30:14.676 INFO kablam! error: Could not compile `rust_info`.
Aug 01 23:30:14.677 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:30:14.801 INFO kablam! error: build failed
Aug 01 23:30:14.816 INFO kablam! su: No module specific data is present
Aug 01 23:30:15.339 INFO running `"docker" "rm" "-f" "cd6682c1d37dfca67238825e50d52ed3808bf0ab9ecf4a7f7887f2400f762f30"`
Aug 01 23:30:15.497 INFO blam! cd6682c1d37dfca67238825e50d52ed3808bf0ab9ecf4a7f7887f2400f762f30