Aug 02 02:57:57.162 INFO checking ordslice-0.3.0 against 1.27.2 for lazy_static-1
Aug 02 02:57:57.162 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:57:57.162 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:57:57.162 INFO running `"docker" "create" "-v" "/tmp/crater.dIhW4hVN2HRE:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 02:57:57.432 INFO blam! b16566e3bdf41d9619d845880f268597f3a7a5903eef446229b831ff44ace410
Aug 02 02:57:57.435 INFO running `"docker" "start" "-a" "b16566e3bdf41d9619d845880f268597f3a7a5903eef446229b831ff44ace410"`
Aug 02 02:57:58.479 INFO kablam!     Checking ordslice v0.3.0 (file:///source)
Aug 02 02:57:59.655 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:57:59.655 INFO kablam!   --> benches/bench.rs:15:1
Aug 02 02:57:59.655 INFO kablam!    |
Aug 02 02:57:59.655 INFO kablam! 15 | #![feature(test)]
Aug 02 02:57:59.655 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 02:57:59.656 INFO kablam! 
Aug 02 02:57:59.656 INFO kablam! error: aborting due to previous error
Aug 02 02:57:59.656 INFO kablam! 
Aug 02 02:57:59.657 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:57:59.665 INFO kablam! error: Could not compile `ordslice`.
Aug 02 02:57:59.665 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:57:59.782 INFO kablam! error: build failed
Aug 02 02:57:59.784 INFO kablam! su: No module specific data is present
Aug 02 02:58:00.583 INFO running `"docker" "rm" "-f" "b16566e3bdf41d9619d845880f268597f3a7a5903eef446229b831ff44ace410"`
Aug 02 02:58:00.776 INFO blam! b16566e3bdf41d9619d845880f268597f3a7a5903eef446229b831ff44ace410