Aug 01 20:10:14.169 INFO checking tool-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:10:14.169 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:10:14.169 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:10:14.170 INFO running `"docker" "create" "-v" "/tmp/crater.YPc1rQ7KRe6f:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 01 20:10:14.450 INFO blam! 559a1ab833ed1f9513e6dd7feddbab01ac0f5320665386f2b9e9f052bb4017fb
Aug 01 20:10:14.454 INFO running `"docker" "start" "-a" "559a1ab833ed1f9513e6dd7feddbab01ac0f5320665386f2b9e9f052bb4017fb"`
Aug 01 20:10:15.559 INFO kablam!     Checking tool v0.2.0 (file:///source)
Aug 01 20:10:15.913 INFO kablam! warning: unused `#[macro_use]` import
Aug 01 20:10:15.913 INFO kablam!  --> src/lib.rs:6:1
Aug 01 20:10:15.913 INFO kablam!   |
Aug 01 20:10:15.913 INFO kablam! 6 | #[macro_use]
Aug 01 20:10:15.913 INFO kablam!   | ^^^^^^^^^^^^
Aug 01 20:10:15.913 INFO kablam!   |
Aug 01 20:10:15.913 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 01 20:10:15.913 INFO kablam! 
Aug 01 20:10:15.924 INFO kablam! warning: unused `#[macro_use]` import
Aug 01 20:10:15.924 INFO kablam!  --> src/lib.rs:6:1
Aug 01 20:10:15.924 INFO kablam!   |
Aug 01 20:10:15.924 INFO kablam! 6 | #[macro_use]
Aug 01 20:10:15.924 INFO kablam!   | ^^^^^^^^^^^^
Aug 01 20:10:15.924 INFO kablam!   |
Aug 01 20:10:15.924 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 01 20:10:15.924 INFO kablam! 
Aug 01 20:10:16.927 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:10:16.927 INFO kablam!  --> benches/sequence.rs:1:1
Aug 01 20:10:16.927 INFO kablam!   |
Aug 01 20:10:16.927 INFO kablam! 1 | #![feature(test)]
Aug 01 20:10:16.927 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:10:16.927 INFO kablam! 
Aug 01 20:10:16.927 INFO kablam! error: aborting due to previous error
Aug 01 20:10:16.927 INFO kablam! 
Aug 01 20:10:16.928 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:10:16.936 INFO kablam! error: Could not compile `tool`.
Aug 01 20:10:16.937 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:10:17.308 INFO kablam! error: build failed
Aug 01 20:10:17.309 INFO kablam! su: No module specific data is present
Aug 01 20:10:17.903 INFO running `"docker" "rm" "-f" "559a1ab833ed1f9513e6dd7feddbab01ac0f5320665386f2b9e9f052bb4017fb"`
Aug 01 20:10:18.075 INFO blam! 559a1ab833ed1f9513e6dd7feddbab01ac0f5320665386f2b9e9f052bb4017fb