Aug 02 00:39:34.637 INFO checking resp-1.0.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 00:39:34.637 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:39:34.637 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:39:34.637 INFO running `"docker" "create" "-v" "/tmp/crater.KfLunMZNtcIJ:/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 02 00:39:34.894 INFO blam! 28de16dc301f3696b665cd0f3818a592f65e5857add115fb54c952e5e6f1b67d
Aug 02 00:39:34.898 INFO running `"docker" "start" "-a" "28de16dc301f3696b665cd0f3818a592f65e5857add115fb54c952e5e6f1b67d"`
Aug 02 00:39:35.899 INFO kablam!     Checking resp v1.0.2 (file:///source)
Aug 02 00:39:38.467 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:39:38.467 INFO kablam!  --> benches/lib.rs:1:1
Aug 02 00:39:38.467 INFO kablam!   |
Aug 02 00:39:38.467 INFO kablam! 1 | #![feature(test)]
Aug 02 00:39:38.467 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 00:39:38.476 INFO kablam! 
Aug 02 00:39:38.477 INFO kablam! error: aborting due to previous error
Aug 02 00:39:38.479 INFO kablam! 
Aug 02 00:39:38.479 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:39:38.509 INFO kablam! error: Could not compile `resp`.
Aug 02 00:39:38.509 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 00:39:38.870 INFO kablam! error: build failed
Aug 02 00:39:38.871 INFO kablam! su: No module specific data is present
Aug 02 00:39:39.450 INFO running `"docker" "rm" "-f" "28de16dc301f3696b665cd0f3818a592f65e5857add115fb54c952e5e6f1b67d"`
Aug 02 00:39:39.619 INFO blam! 28de16dc301f3696b665cd0f3818a592f65e5857add115fb54c952e5e6f1b67d