Sep 10 14:41:42.281 INFO checking merkle-generator-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 14:41:42.281 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 14:41:42.281 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:41:42.502 INFO blam! 2566d1b2c7cd42daab72ee0dbc1af52b37b7fd06b7f864a58eaec0bdce4fb6af
Sep 10 14:41:42.503 INFO running `"docker" "start" "-a" "2566d1b2c7cd42daab72ee0dbc1af52b37b7fd06b7f864a58eaec0bdce4fb6af"`
Sep 10 14:41:43.072 INFO kablam! usermod: no changes
Sep 10 14:41:43.167 INFO kablam!     Checking flat-tree v1.1.0
Sep 10 14:41:43.495 INFO kablam!     Checking merkle-generator v0.2.0 (file:///source)
Sep 10 14:41:44.048 INFO kablam! warning: unused variable: `roots`
Sep 10 14:41:44.048 INFO kablam!    --> src/lib.rs:142:26
Sep 10 14:41:44.048 INFO kablam!     |
Sep 10 14:41:44.048 INFO kablam! 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Sep 10 14:41:44.048 INFO kablam!     |                          ^^^^^ help: consider using `_roots` instead
Sep 10 14:41:44.048 INFO kablam!     |
Sep 10 14:41:44.048 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 14:41:44.048 INFO kablam! 
Sep 10 14:41:44.144 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Sep 10 14:41:44.148 INFO kablam! su: No module specific data is present
Sep 10 14:41:44.718 INFO running `"docker" "rm" "-f" "2566d1b2c7cd42daab72ee0dbc1af52b37b7fd06b7f864a58eaec0bdce4fb6af"`
Sep 10 14:41:44.821 INFO blam! 2566d1b2c7cd42daab72ee0dbc1af52b37b7fd06b7f864a58eaec0bdce4fb6af