Nov 28 22:08:49.514 INFO checking merkle-generator-0.2.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:08:49.516 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 22:08:49.734 INFO [stdout] 4c09cca6cd0063c9d438ea5798c2db3d95da2838810522e10ebd3e7ae8ff5c34
Nov 28 22:08:49.738 INFO running `"docker" "start" "-a" "4c09cca6cd0063c9d438ea5798c2db3d95da2838810522e10ebd3e7ae8ff5c34"`
Nov 28 22:08:50.321 INFO [stderr] usermod: no changes
Nov 28 22:08:50.393 INFO [stderr]     Checking flat-tree v1.1.0
Nov 28 22:08:50.904 INFO [stderr]     Checking merkle-generator v0.2.0 (/source)
Nov 28 22:08:51.880 INFO [stderr] warning: unused variable: `roots`
Nov 28 22:08:51.880 INFO [stderr]    --> src/lib.rs:142:26
Nov 28 22:08:51.880 INFO [stderr]     |
Nov 28 22:08:51.880 INFO [stderr] 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Nov 28 22:08:51.880 INFO [stderr]     |                          ^^^^^ help: consider using `_roots` instead
Nov 28 22:08:51.880 INFO [stderr]     |
Nov 28 22:08:51.880 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 22:08:51.880 INFO [stderr] 
Nov 28 22:08:51.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Nov 28 22:08:51.929 INFO [stderr] su: No module specific data is present
Nov 28 22:08:52.380 INFO running `"docker" "inspect" "4c09cca6cd0063c9d438ea5798c2db3d95da2838810522e10ebd3e7ae8ff5c34"`
Nov 28 22:08:52.641 INFO running `"docker" "rm" "-f" "4c09cca6cd0063c9d438ea5798c2db3d95da2838810522e10ebd3e7ae8ff5c34"`
Nov 28 22:08:52.948 INFO [stdout] 4c09cca6cd0063c9d438ea5798c2db3d95da2838810522e10ebd3e7ae8ff5c34