Aug 02 13:46:00.554 INFO checking bucket-limiter-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:46:00.554 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:46:00.555 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:46:00.555 INFO running `"docker" "create" "-v" "/tmp/crater.9AiVSVuuzyTh:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 13:46:00.821 INFO blam! f4c45855dacef75d48cc3bb59d5808c967f65a12c8a7007dedd7167a2f263d13
Aug 02 13:46:00.823 INFO running `"docker" "start" "-a" "f4c45855dacef75d48cc3bb59d5808c967f65a12c8a7007dedd7167a2f263d13"`
Aug 02 13:46:02.784 INFO kablam!     Checking bucket-limiter v0.2.0 (file:///source)
Aug 02 13:46:04.785 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:46:04.785 INFO kablam!  --> benches/bench_basic.rs:1:1
Aug 02 13:46:04.785 INFO kablam!   |
Aug 02 13:46:04.785 INFO kablam! 1 | #![feature(test)]
Aug 02 13:46:04.785 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:46:04.785 INFO kablam! 
Aug 02 13:46:04.785 INFO kablam! error: aborting due to previous error
Aug 02 13:46:04.786 INFO kablam! 
Aug 02 13:46:04.786 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:46:04.796 INFO kablam! error: Could not compile `bucket-limiter`.
Aug 02 13:46:04.806 INFO kablam! 
Aug 02 13:46:04.806 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:46:04.806 INFO kablam! su: No module specific data is present
Aug 02 13:46:05.511 INFO running `"docker" "rm" "-f" "f4c45855dacef75d48cc3bb59d5808c967f65a12c8a7007dedd7167a2f263d13"`
Aug 02 13:46:05.605 INFO blam! f4c45855dacef75d48cc3bb59d5808c967f65a12c8a7007dedd7167a2f263d13