Sep 19 22:23:59.617 INFO checking merkle-generator-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 22:23:59.617 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 22:23:59.617 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:23:59.788 INFO blam! 36c2ca1f41c698389c432eedd1950bdb349913909483eaaa39e8f0aa8d84d204
Sep 19 22:23:59.790 INFO running `"docker" "start" "-a" "36c2ca1f41c698389c432eedd1950bdb349913909483eaaa39e8f0aa8d84d204"`
Sep 19 22:24:00.372 INFO kablam! usermod: no changes
Sep 19 22:24:00.447 INFO kablam!     Checking flat-tree v1.1.0
Sep 19 22:24:00.810 INFO kablam!     Checking merkle-generator v0.2.0 (/source)
Sep 19 22:24:01.342 INFO kablam! warning: unused variable: `roots`
Sep 19 22:24:01.342 INFO kablam!    --> src/lib.rs:142:26
Sep 19 22:24:01.342 INFO kablam!     |
Sep 19 22:24:01.342 INFO kablam! 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Sep 19 22:24:01.342 INFO kablam!     |                          ^^^^^ help: consider using `_roots` instead
Sep 19 22:24:01.342 INFO kablam!     |
Sep 19 22:24:01.342 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 19 22:24:01.342 INFO kablam! 
Sep 19 22:24:01.395 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Sep 19 22:24:01.400 INFO kablam! su: No module specific data is present
Sep 19 22:24:01.982 INFO running `"docker" "rm" "-f" "36c2ca1f41c698389c432eedd1950bdb349913909483eaaa39e8f0aa8d84d204"`
Sep 19 22:24:02.121 INFO blam! 36c2ca1f41c698389c432eedd1950bdb349913909483eaaa39e8f0aa8d84d204