Dec 18 12:50:14.888 INFO checking process_lock-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:50:14.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/process_lock/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:50:15.334 INFO [stdout] dd73074c42ceed0b94f9d09dfae6e8b26ce873c44c8dc0421a4a9daea1b1dadb
Dec 18 12:50:15.336 INFO running `"docker" "start" "-a" "dd73074c42ceed0b94f9d09dfae6e8b26ce873c44c8dc0421a4a9daea1b1dadb"`
Dec 18 12:50:16.844 INFO [stderr]    Compiling winapi v0.3.6
Dec 18 12:50:18.968 INFO [stderr]     Checking process_lock v0.1.0 (/opt/crater/workdir)
Dec 18 12:50:19.698 INFO [stderr] warning: unused import: `Duration`
Dec 18 12:50:19.699 INFO [stderr]  --> examples/lock1.rs:3:17
Dec 18 12:50:19.699 INFO [stderr]   |
Dec 18 12:50:19.699 INFO [stderr] 3 | use std::time::{Duration, Instant};
Dec 18 12:50:19.699 INFO [stderr]   |                 ^^^^^^^^
Dec 18 12:50:19.699 INFO [stderr]   |
Dec 18 12:50:19.699 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:50:19.699 INFO [stderr] 
Dec 18 12:50:19.712 INFO [stderr] warning: unused import: `Duration`
Dec 18 12:50:19.712 INFO [stderr]  --> examples/lock.rs:2:17
Dec 18 12:50:19.712 INFO [stderr]   |
Dec 18 12:50:19.712 INFO [stderr] 2 | use std::time::{Duration, Instant};
Dec 18 12:50:19.712 INFO [stderr]   |                 ^^^^^^^^
Dec 18 12:50:19.712 INFO [stderr]   |
Dec 18 12:50:19.712 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:50:19.712 INFO [stderr] 
Dec 18 12:50:19.756 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:50:19.756 INFO [stderr]  --> examples/lock1.rs:9:9
Dec 18 12:50:19.756 INFO [stderr]   |
Dec 18 12:50:19.756 INFO [stderr] 9 |     let mut lock = ProcessLock::new(String::from(".xxx1"), None).unwrap();
Dec 18 12:50:19.756 INFO [stderr]   |         ----^^^^
Dec 18 12:50:19.756 INFO [stderr]   |         |
Dec 18 12:50:19.756 INFO [stderr]   |         help: remove this `mut`
Dec 18 12:50:19.756 INFO [stderr]   |
Dec 18 12:50:19.756 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 12:50:19.756 INFO [stderr] 
Dec 18 12:50:19.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
Dec 18 12:50:20.233 INFO running `"docker" "inspect" "dd73074c42ceed0b94f9d09dfae6e8b26ce873c44c8dc0421a4a9daea1b1dadb"`
Dec 18 12:50:20.488 INFO running `"docker" "rm" "-f" "dd73074c42ceed0b94f9d09dfae6e8b26ce873c44c8dc0421a4a9daea1b1dadb"`
Dec 18 12:50:20.753 INFO [stdout] dd73074c42ceed0b94f9d09dfae6e8b26ce873c44c8dc0421a4a9daea1b1dadb