Dec 12 09:47:38.041 INFO checking process_lock-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:47:38.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 09:47:38.616 INFO [stdout] 88bd0aec20f08a3c2683bb5bed536e790720e93aefc276cfbd046fb17c746b7b
Dec 12 09:47:38.618 INFO running `"docker" "start" "-a" "88bd0aec20f08a3c2683bb5bed536e790720e93aefc276cfbd046fb17c746b7b"`
Dec 12 09:47:39.696 INFO [stderr] usermod: no changes
Dec 12 09:47:39.788 INFO [stderr]    Compiling winapi v0.3.6
Dec 12 09:47:42.680 INFO [stderr]     Checking process_lock v0.1.0 (/source)
Dec 12 09:47:44.548 INFO [stderr] warning: unused import: `Duration`
Dec 12 09:47:44.548 INFO [stderr]  --> examples/lock.rs:2:17
Dec 12 09:47:44.548 INFO [stderr]   |
Dec 12 09:47:44.548 INFO [stderr] 2 | use std::time::{Duration, Instant};
Dec 12 09:47:44.548 INFO [stderr]   |                 ^^^^^^^^
Dec 12 09:47:44.548 INFO [stderr]   |
Dec 12 09:47:44.548 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:47:44.548 INFO [stderr] 
Dec 12 09:47:44.620 INFO [stderr] warning: unused import: `Duration`
Dec 12 09:47:44.620 INFO [stderr]  --> examples/lock1.rs:3:17
Dec 12 09:47:44.620 INFO [stderr]   |
Dec 12 09:47:44.620 INFO [stderr] 3 | use std::time::{Duration, Instant};
Dec 12 09:47:44.620 INFO [stderr]   |                 ^^^^^^^^
Dec 12 09:47:44.620 INFO [stderr]   |
Dec 12 09:47:44.620 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:47:44.620 INFO [stderr] 
Dec 12 09:47:44.716 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:47:44.716 INFO [stderr]  --> examples/lock1.rs:9:9
Dec 12 09:47:44.716 INFO [stderr]   |
Dec 12 09:47:44.716 INFO [stderr] 9 |     let mut lock = ProcessLock::new(String::from(".xxx1"), None).unwrap();
Dec 12 09:47:44.716 INFO [stderr]   |         ----^^^^
Dec 12 09:47:44.716 INFO [stderr]   |         |
Dec 12 09:47:44.716 INFO [stderr]   |         help: remove this `mut`
Dec 12 09:47:44.716 INFO [stderr]   |
Dec 12 09:47:44.716 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 09:47:44.716 INFO [stderr] 
Dec 12 09:47:44.757 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
Dec 12 09:47:44.760 INFO [stderr] su: No module specific data is present
Dec 12 09:47:45.424 INFO running `"docker" "inspect" "88bd0aec20f08a3c2683bb5bed536e790720e93aefc276cfbd046fb17c746b7b"`
Dec 12 09:47:45.796 INFO running `"docker" "rm" "-f" "88bd0aec20f08a3c2683bb5bed536e790720e93aefc276cfbd046fb17c746b7b"`
Dec 12 09:47:46.136 INFO [stdout] 88bd0aec20f08a3c2683bb5bed536e790720e93aefc276cfbd046fb17c746b7b