Dec 05 11:09:07.031 INFO checking ledger-0.0.8 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:09:07.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 11:09:07.492 INFO [stdout] dedb52f6930155fee90f86f715dd6d829677cbda7e96b3a274a245c4a170fe9b
Dec 05 11:09:07.494 INFO running `"docker" "start" "-a" "dedb52f6930155fee90f86f715dd6d829677cbda7e96b3a274a245c4a170fe9b"`
Dec 05 11:09:08.481 INFO [stderr] usermod: no changes
Dec 05 11:09:08.641 INFO [stderr]    Compiling hidapi v0.5.0
Dec 05 11:09:10.759 INFO [stderr]     Checking ledger v0.0.8 (/source)
Dec 05 11:09:12.254 INFO [stderr] warning: field is never used: `api_mutex`
Dec 05 11:09:12.254 INFO [stderr]    --> src/lib.rs:120:5
Dec 05 11:09:12.254 INFO [stderr]     |
Dec 05 11:09:12.254 INFO [stderr] 120 |     api_mutex: Arc<Mutex<hidapi::HidApi>>,
Dec 05 11:09:12.254 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:09:12.254 INFO [stderr]     |
Dec 05 11:09:12.254 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 11:09:12.254 INFO [stderr] 
Dec 05 11:09:12.595 INFO [stderr] warning: field is never used: `api_mutex`
Dec 05 11:09:12.595 INFO [stderr]    --> src/lib.rs:120:5
Dec 05 11:09:12.595 INFO [stderr]     |
Dec 05 11:09:12.595 INFO [stderr] 120 |     api_mutex: Arc<Mutex<hidapi::HidApi>>,
Dec 05 11:09:12.595 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:09:12.595 INFO [stderr]     |
Dec 05 11:09:12.595 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 11:09:12.595 INFO [stderr] 
Dec 05 11:09:12.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
Dec 05 11:09:12.625 INFO [stderr] su: No module specific data is present
Dec 05 11:09:12.974 INFO running `"docker" "inspect" "dedb52f6930155fee90f86f715dd6d829677cbda7e96b3a274a245c4a170fe9b"`
Dec 05 11:09:13.061 INFO running `"docker" "rm" "-f" "dedb52f6930155fee90f86f715dd6d829677cbda7e96b3a274a245c4a170fe9b"`
Dec 05 11:09:13.202 INFO [stdout] dedb52f6930155fee90f86f715dd6d829677cbda7e96b3a274a245c4a170fe9b