Sep 21 07:05:59.097 INFO checking merkle-generator-0.2.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394 Sep 21 07:05:59.097 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets Sep 21 07:05:59.097 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 21 07:05:59.416 INFO blam! 8d781d936ec9a65a513e6a5bbadf0dced7b810ef85f708554d43090f96b690fa Sep 21 07:05:59.417 INFO running `"docker" "start" "-a" "8d781d936ec9a65a513e6a5bbadf0dced7b810ef85f708554d43090f96b690fa"` Sep 21 07:06:00.183 INFO kablam! usermod: no changes Sep 21 07:06:00.260 INFO kablam! Checking flat-tree v1.1.0 Sep 21 07:06:00.536 INFO kablam! Checking merkle-generator v0.2.0 (/source) Sep 21 07:06:01.090 INFO kablam! warning: unused variable: `roots` Sep 21 07:06:01.090 INFO kablam! --> src/lib.rs:142:26 Sep 21 07:06:01.090 INFO kablam! | Sep 21 07:06:01.090 INFO kablam! 142 | fn leaf(leaf: &Node, roots: &Vec) -> Vec { Sep 21 07:06:01.090 INFO kablam! | ^^^^^ help: consider using `_roots` instead Sep 21 07:06:01.090 INFO kablam! | Sep 21 07:06:01.090 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 21 07:06:01.090 INFO kablam! Sep 21 07:06:01.149 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.94s Sep 21 07:06:01.150 INFO kablam! su: No module specific data is present Sep 21 07:06:01.813 INFO running `"docker" "rm" "-f" "8d781d936ec9a65a513e6a5bbadf0dced7b810ef85f708554d43090f96b690fa"` Sep 21 07:06:01.931 INFO blam! 8d781d936ec9a65a513e6a5bbadf0dced7b810ef85f708554d43090f96b690fa