Aug 02 03:31:54.316 INFO checking nmea-0.0.7 against 1.27.2 for lazy_static-1
Aug 02 03:31:54.317 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:31:54.317 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:31:54.317 INFO running `"docker" "create" "-v" "/tmp/crater.gg2EE2JDemST:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 03:31:54.511 INFO blam! d9840ac0cee1e17e60e22e3ee81e42e721a5403949f612bc946c3d4d99e60a04
Aug 02 03:31:54.515 INFO running `"docker" "start" "-a" "d9840ac0cee1e17e60e22e3ee81e42e721a5403949f612bc946c3d4d99e60a04"`
Aug 02 03:31:55.390 INFO kablam!     Checking nmea v0.0.7 (file:///source)
Aug 02 03:32:09.864 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:32:09.864 INFO kablam!  --> benches/gsv_parser.rs:1:1
Aug 02 03:32:09.864 INFO kablam!   |
Aug 02 03:32:09.864 INFO kablam! 1 | #![feature(test)]
Aug 02 03:32:09.865 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:32:09.865 INFO kablam! 
Aug 02 03:32:09.865 INFO kablam! error: aborting due to previous error
Aug 02 03:32:09.865 INFO kablam! 
Aug 02 03:32:09.865 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:32:09.873 INFO kablam! error: Could not compile `nmea`.
Aug 02 03:32:09.873 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:32:10.442 INFO kablam! error: build failed
Aug 02 03:32:10.447 INFO kablam! su: No module specific data is present
Aug 02 03:32:11.274 INFO running `"docker" "rm" "-f" "d9840ac0cee1e17e60e22e3ee81e42e721a5403949f612bc946c3d4d99e60a04"`
Aug 02 03:32:11.375 INFO blam! d9840ac0cee1e17e60e22e3ee81e42e721a5403949f612bc946c3d4d99e60a04