Dec 12 17:48:54.003 INFO checking background_worker-0.1.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:48:54.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 17:48:54.486 INFO [stdout] 869377a267cf6240eef4f86f306decbedae2a2d7ea57cbfb741fabb9c75c7cbf
Dec 12 17:48:54.488 INFO running `"docker" "start" "-a" "869377a267cf6240eef4f86f306decbedae2a2d7ea57cbfb741fabb9c75c7cbf"`
Dec 12 17:48:55.996 INFO [stderr] usermod: no changes
Dec 12 17:48:56.052 INFO [stderr]     Checking background_worker v0.1.1 (/source)
Dec 12 17:48:56.848 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 12 17:48:56.848 INFO [stderr]   --> src/test.rs:31:13
Dec 12 17:48:56.848 INFO [stderr]    |
Dec 12 17:48:56.848 INFO [stderr] 31 |             thread::sleep_ms(500)
Dec 12 17:48:56.848 INFO [stderr]    |             ^^^^^^^^^^^^^^^^
Dec 12 17:48:56.848 INFO [stderr]    |
Dec 12 17:48:56.848 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 17:48:56.848 INFO [stderr] 
Dec 12 17:48:56.984 INFO [stderr] warning: unused import: `BackgroundWorker`
Dec 12 17:48:56.984 INFO [stderr]  --> src/test.rs:1:5
Dec 12 17:48:56.984 INFO [stderr]   |
Dec 12 17:48:56.984 INFO [stderr] 1 | use BackgroundWorker;
Dec 12 17:48:56.984 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 17:48:56.984 INFO [stderr]   |
Dec 12 17:48:56.984 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:48:56.984 INFO [stderr] 
Dec 12 17:48:56.984 INFO [stderr] warning: unused import: `std::thread`
Dec 12 17:48:56.984 INFO [stderr]  --> src/test.rs:2:5
Dec 12 17:48:56.984 INFO [stderr]   |
Dec 12 17:48:56.984 INFO [stderr] 2 | use std::thread;
Dec 12 17:48:56.984 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 17:48:56.984 INFO [stderr] 
Dec 12 17:48:57.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 12 17:48:57.096 INFO [stderr] su: No module specific data is present
Dec 12 17:48:57.948 INFO running `"docker" "inspect" "869377a267cf6240eef4f86f306decbedae2a2d7ea57cbfb741fabb9c75c7cbf"`
Dec 12 17:48:58.298 INFO running `"docker" "rm" "-f" "869377a267cf6240eef4f86f306decbedae2a2d7ea57cbfb741fabb9c75c7cbf"`
Dec 12 17:48:58.656 INFO [stdout] 869377a267cf6240eef4f86f306decbedae2a2d7ea57cbfb741fabb9c75c7cbf