Sep 02 07:42:04.987 INFO checking merkle-generator-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 07:42:04.987 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 07:42:04.987 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 07:42:05.149 INFO blam! 5be99c0994b7144ff0d6c4575ae1fc0d620c07a6e5c673212c95347bb080f723
Sep 02 07:42:05.152 INFO running `"docker" "start" "-a" "5be99c0994b7144ff0d6c4575ae1fc0d620c07a6e5c673212c95347bb080f723"`
Sep 02 07:42:05.843 INFO kablam!     Checking flat-tree v1.1.0
Sep 02 07:42:06.587 INFO kablam!     Checking merkle-generator v0.2.0 (file:///source)
Sep 02 07:42:07.602 INFO kablam! warning: unused variable: `roots`
Sep 02 07:42:07.602 INFO kablam!    --> src/lib.rs:142:26
Sep 02 07:42:07.602 INFO kablam!     |
Sep 02 07:42:07.602 INFO kablam! 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Sep 02 07:42:07.602 INFO kablam!     |                          ^^^^^ help: consider using `_roots` instead
Sep 02 07:42:07.602 INFO kablam!     |
Sep 02 07:42:07.602 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 07:42:07.602 INFO kablam! 
Sep 02 07:42:07.656 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Sep 02 07:42:07.660 INFO kablam! su: No module specific data is present
Sep 02 07:42:08.057 INFO running `"docker" "rm" "-f" "5be99c0994b7144ff0d6c4575ae1fc0d620c07a6e5c673212c95347bb080f723"`
Sep 02 07:42:08.185 INFO blam! 5be99c0994b7144ff0d6c4575ae1fc0d620c07a6e5c673212c95347bb080f723