Dec 18 14:31:53.116 INFO checking ledger-0.0.8 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:31:53.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/ledger/0.0.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:31:53.378 INFO [stdout] 60a764bce16eb9b27a68351952304efb3716fb1cbc1a72bdec04ac474fe2ab34
Dec 18 14:31:53.382 INFO running `"docker" "start" "-a" "60a764bce16eb9b27a68351952304efb3716fb1cbc1a72bdec04ac474fe2ab34"`
Dec 18 14:31:54.151 INFO [stderr]    Compiling hidapi v0.5.0
Dec 18 14:31:55.548 INFO [stderr]     Checking ledger v0.0.8 (/opt/crater/workdir)
Dec 18 14:31:56.232 INFO [stderr] warning: field is never used: `api_mutex`
Dec 18 14:31:56.232 INFO [stderr]    --> src/lib.rs:120:5
Dec 18 14:31:56.232 INFO [stderr]     |
Dec 18 14:31:56.232 INFO [stderr] 120 |     api_mutex: Arc<Mutex<hidapi::HidApi>>,
Dec 18 14:31:56.232 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:31:56.232 INFO [stderr]     |
Dec 18 14:31:56.232 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 14:31:56.232 INFO [stderr] 
Dec 18 14:31:56.294 INFO [stderr] warning: field is never used: `api_mutex`
Dec 18 14:31:56.294 INFO [stderr]    --> src/lib.rs:120:5
Dec 18 14:31:56.294 INFO [stderr]     |
Dec 18 14:31:56.294 INFO [stderr] 120 |     api_mutex: Arc<Mutex<hidapi::HidApi>>,
Dec 18 14:31:56.294 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:31:56.294 INFO [stderr]     |
Dec 18 14:31:56.294 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 14:31:56.294 INFO [stderr] 
Dec 18 14:31:56.333 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
Dec 18 14:31:56.575 INFO running `"docker" "inspect" "60a764bce16eb9b27a68351952304efb3716fb1cbc1a72bdec04ac474fe2ab34"`
Dec 18 14:31:56.632 INFO running `"docker" "rm" "-f" "60a764bce16eb9b27a68351952304efb3716fb1cbc1a72bdec04ac474fe2ab34"`
Dec 18 14:31:56.725 INFO [stdout] 60a764bce16eb9b27a68351952304efb3716fb1cbc1a72bdec04ac474fe2ab34