Sep 14 13:14:19.362 INFO checking merkle-generator-0.2.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 13:14:19.362 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 13:14:19.362 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:14:19.599 INFO blam! 281740f4b2e7232fc5eacde3a1b05d84cfe2d4a473740e7385eff119ade9348f
Sep 14 13:14:19.607 INFO running `"docker" "start" "-a" "281740f4b2e7232fc5eacde3a1b05d84cfe2d4a473740e7385eff119ade9348f"`
Sep 14 13:14:20.391 INFO kablam! usermod: no changes
Sep 14 13:14:20.471 INFO kablam!     Checking flat-tree v1.1.0
Sep 14 13:14:20.471 INFO kablam!    Compiling ring v0.9.7
Sep 14 13:14:25.256 INFO kablam!     Checking merkle-generator v0.2.0 (file:///source)
Sep 14 13:14:25.794 INFO kablam! warning: unused variable: `roots`
Sep 14 13:14:25.794 INFO kablam!    --> src/lib.rs:142:26
Sep 14 13:14:25.794 INFO kablam!     |
Sep 14 13:14:25.794 INFO kablam! 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Sep 14 13:14:25.794 INFO kablam!     |                          ^^^^^ help: consider using `_roots` instead
Sep 14 13:14:25.794 INFO kablam!     |
Sep 14 13:14:25.794 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 13:14:25.794 INFO kablam! 
Sep 14 13:14:25.852 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
Sep 14 13:14:25.855 INFO kablam! su: No module specific data is present
Sep 14 13:14:26.365 INFO running `"docker" "rm" "-f" "281740f4b2e7232fc5eacde3a1b05d84cfe2d4a473740e7385eff119ade9348f"`
Sep 14 13:14:26.519 INFO blam! 281740f4b2e7232fc5eacde3a1b05d84cfe2d4a473740e7385eff119ade9348f