Aug 01 18:10:06.605 INFO checking zipf-4.0.0 against 1.27.2 for lazy_static-1
Aug 01 18:10:06.605 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:10:06.605 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:10:06.605 INFO running `"docker" "create" "-v" "/tmp/crater.qlO3uu4BctD5:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 18:10:06.867 INFO blam! 5af457fde525e8d25d3c3c4eb24bed66c50a7d946bbce10930eed4c1a2043a35
Aug 01 18:10:06.869 INFO running `"docker" "start" "-a" "5af457fde525e8d25d3c3c4eb24bed66c50a7d946bbce10930eed4c1a2043a35"`
Aug 01 18:10:07.933 INFO kablam!    Compiling randomkit v0.1.1
Aug 01 18:10:07.948 INFO kablam!     Checking zipf v4.0.0 (file:///source)
Aug 01 18:10:12.638 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:10:12.638 INFO kablam!  --> benches/zipf_bench.rs:1:1
Aug 01 18:10:12.638 INFO kablam!   |
Aug 01 18:10:12.638 INFO kablam! 1 | #![feature(test)]
Aug 01 18:10:12.638 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 18:10:12.638 INFO kablam! 
Aug 01 18:10:12.638 INFO kablam! error: aborting due to previous error
Aug 01 18:10:12.638 INFO kablam! 
Aug 01 18:10:12.639 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:10:12.658 INFO kablam! error: Could not compile `zipf`.
Aug 01 18:10:12.659 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:10:12.877 INFO kablam! error: build failed
Aug 01 18:10:12.879 INFO kablam! su: No module specific data is present
Aug 01 18:10:13.459 INFO running `"docker" "rm" "-f" "5af457fde525e8d25d3c3c4eb24bed66c50a7d946bbce10930eed4c1a2043a35"`
Aug 01 18:10:13.653 INFO blam! 5af457fde525e8d25d3c3c4eb24bed66c50a7d946bbce10930eed4c1a2043a35