Sep 10 14:41:41.389 INFO checking merkle-generator-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:41:41.389 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:41:41.389 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:41:41.685 INFO blam! 5c30b64d6e8d93dbac5fa0a64ecfce164a7293e61e96b337087c56e5abda0955
Sep 10 14:41:41.687 INFO running `"docker" "start" "-a" "5c30b64d6e8d93dbac5fa0a64ecfce164a7293e61e96b337087c56e5abda0955"`
Sep 10 14:41:42.248 INFO kablam! usermod: no changes
Sep 10 14:41:42.312 INFO kablam!     Checking flat-tree v1.1.0
Sep 10 14:41:42.313 INFO kablam!    Compiling ring v0.9.7
Sep 10 14:41:47.638 INFO kablam!     Checking merkle-generator v0.2.0 (file:///source)
Sep 10 14:41:48.147 INFO kablam! warning: unused variable: `roots`
Sep 10 14:41:48.147 INFO kablam!    --> src/lib.rs:142:26
Sep 10 14:41:48.147 INFO kablam!     |
Sep 10 14:41:48.147 INFO kablam! 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Sep 10 14:41:48.147 INFO kablam!     |                          ^^^^^ help: consider using `_roots` instead
Sep 10 14:41:48.147 INFO kablam!     |
Sep 10 14:41:48.147 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 14:41:48.147 INFO kablam! 
Sep 10 14:41:48.196 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
Sep 10 14:41:48.200 INFO kablam! su: No module specific data is present
Sep 10 14:41:48.794 INFO running `"docker" "rm" "-f" "5c30b64d6e8d93dbac5fa0a64ecfce164a7293e61e96b337087c56e5abda0955"`
Sep 10 14:41:48.880 INFO blam! 5c30b64d6e8d93dbac5fa0a64ecfce164a7293e61e96b337087c56e5abda0955