Aug 02 12:08:19.394 INFO checking crossbeam-stm-0.4.0 against 1.27.2 for lazy_static-1
Aug 02 12:08:19.394 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:08:19.394 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:08:19.395 INFO running `"docker" "create" "-v" "/tmp/crater.sjDKfNaBreWq:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 12:08:19.662 INFO blam! bd3ea9f290f00f65bd8b71860a9067a15b305a06c7b9b57fb150f0ec0d42ee16
Aug 02 12:08:19.665 INFO running `"docker" "start" "-a" "bd3ea9f290f00f65bd8b71860a9067a15b305a06c7b9b57fb150f0ec0d42ee16"`
Aug 02 12:08:20.730 INFO kablam!     Checking crossbeam-epoch v0.4.3
Aug 02 12:08:22.213 INFO kablam!     Checking crossbeam-stm v0.4.0 (file:///source)
Aug 02 12:08:24.799 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:08:24.799 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 12:08:24.799 INFO kablam!   |
Aug 02 12:08:24.799 INFO kablam! 1 | #![feature(test)]
Aug 02 12:08:24.799 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:08:24.799 INFO kablam! 
Aug 02 12:08:24.799 INFO kablam! error: aborting due to previous error
Aug 02 12:08:24.799 INFO kablam! 
Aug 02 12:08:24.799 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:08:24.809 INFO kablam! error: Could not compile `crossbeam-stm`.
Aug 02 12:08:24.809 INFO kablam! 
Aug 02 12:08:24.809 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:08:24.811 INFO kablam! su: No module specific data is present
Aug 02 12:08:25.446 INFO running `"docker" "rm" "-f" "bd3ea9f290f00f65bd8b71860a9067a15b305a06c7b9b57fb150f0ec0d42ee16"`
Aug 02 12:08:25.703 INFO blam! bd3ea9f290f00f65bd8b71860a9067a15b305a06c7b9b57fb150f0ec0d42ee16