Aug 02 14:34:31.395 INFO checking atomic_immut-0.1.4 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:34:31.395 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:34:31.395 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:34:31.395 INFO running `"docker" "create" "-v" "/tmp/crater.CfyexKRNtqCr:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 14:34:31.718 INFO blam! 6abaa35e5f91a99ee587d9e6b2789e5d9253a5836e7f967e1a26b56a146e1039
Aug 02 14:34:31.720 INFO running `"docker" "start" "-a" "6abaa35e5f91a99ee587d9e6b2789e5d9253a5836e7f967e1a26b56a146e1039"`
Aug 02 14:34:36.841 INFO kablam!     Checking atomic_immut v0.1.4 (file:///source)
Aug 02 14:34:37.675 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:34:37.675 INFO kablam!  --> benches/lib.rs:2:1
Aug 02 14:34:37.675 INFO kablam!   |
Aug 02 14:34:37.675 INFO kablam! 2 | #![feature(test)]
Aug 02 14:34:37.675 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:34:37.675 INFO kablam! 
Aug 02 14:34:37.676 INFO kablam! error: aborting due to previous error
Aug 02 14:34:37.676 INFO kablam! 
Aug 02 14:34:37.676 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:34:37.683 INFO kablam! error: Could not compile `atomic_immut`.
Aug 02 14:34:37.683 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:34:37.787 INFO kablam! error: build failed
Aug 02 14:34:37.788 INFO kablam! su: No module specific data is present
Aug 02 14:34:38.544 INFO running `"docker" "rm" "-f" "6abaa35e5f91a99ee587d9e6b2789e5d9253a5836e7f967e1a26b56a146e1039"`
Aug 02 14:34:38.627 INFO blam! 6abaa35e5f91a99ee587d9e6b2789e5d9253a5836e7f967e1a26b56a146e1039