Aug 02 02:14:16.264 INFO checking plist-rs-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:14:16.264 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:14:16.264 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:14:16.264 INFO running `"docker" "create" "-v" "/tmp/crater.glAYfcQrtSSf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 02:14:16.572 INFO blam! 6cb786f2849b59d4c3128c5c37cac6ad6269b63a77ef619fef3f73cb624fc395
Aug 02 02:14:16.574 INFO running `"docker" "start" "-a" "6cb786f2849b59d4c3128c5c37cac6ad6269b63a77ef619fef3f73cb624fc395"`
Aug 02 02:14:18.007 INFO kablam!     Checking plist-rs v0.1.0 (file:///source)
Aug 02 02:14:19.761 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:14:19.761 INFO kablam!  --> benches/comparison.rs:1:1
Aug 02 02:14:19.761 INFO kablam!   |
Aug 02 02:14:19.761 INFO kablam! 1 | #![feature(test)]
Aug 02 02:14:19.761 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:14:19.761 INFO kablam! 
Aug 02 02:14:19.761 INFO kablam! error: aborting due to previous error
Aug 02 02:14:19.761 INFO kablam! 
Aug 02 02:14:19.762 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:14:19.771 INFO kablam! error: Could not compile `plist-rs`.
Aug 02 02:14:19.771 INFO kablam! 
Aug 02 02:14:19.771 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:14:19.772 INFO kablam! su: No module specific data is present
Aug 02 02:14:20.388 INFO running `"docker" "rm" "-f" "6cb786f2849b59d4c3128c5c37cac6ad6269b63a77ef619fef3f73cb624fc395"`
Aug 02 02:14:20.539 INFO blam! 6cb786f2849b59d4c3128c5c37cac6ad6269b63a77ef619fef3f73cb624fc395