Dec 12 02:23:24.070 INFO checking HuangChaoWH/rust_multithread_with_pool against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:23:24.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 02:23:24.356 INFO [stdout] 6216c458779bcb02d1f265e846b1f51cd31a54d2ea08a93f8a826966c9e74100
Dec 12 02:23:24.358 INFO running `"docker" "start" "-a" "6216c458779bcb02d1f265e846b1f51cd31a54d2ea08a93f8a826966c9e74100"`
Dec 12 02:23:24.861 INFO [stderr] usermod: no changes
Dec 12 02:23:24.886 INFO [stderr]     Checking rust_multithread_with_pool v0.1.0 (/source)
Dec 12 02:23:25.911 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 12 02:23:25.911 INFO [stderr]  --> src/bin/main.rs:9:5
Dec 12 02:23:25.911 INFO [stderr]   |
Dec 12 02:23:25.911 INFO [stderr] 9 | use std::sync::Arc;
Dec 12 02:23:25.911 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 02:23:25.911 INFO [stderr]   |
Dec 12 02:23:25.911 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:23:25.911 INFO [stderr] 
Dec 12 02:23:25.911 INFO [stderr] warning: unused import: `std::sync::Mutex`
Dec 12 02:23:25.911 INFO [stderr]   --> src/bin/main.rs:10:5
Dec 12 02:23:25.911 INFO [stderr]    |
Dec 12 02:23:25.911 INFO [stderr] 10 | use std::sync::Mutex;
Dec 12 02:23:25.911 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 12 02:23:25.911 INFO [stderr] 
Dec 12 02:23:25.983 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 12 02:23:25.983 INFO [stderr]  --> src/bin/main.rs:9:5
Dec 12 02:23:25.983 INFO [stderr]   |
Dec 12 02:23:25.983 INFO [stderr] 9 | use std::sync::Arc;
Dec 12 02:23:25.983 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 12 02:23:25.983 INFO [stderr]   |
Dec 12 02:23:25.984 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:23:25.984 INFO [stderr] 
Dec 12 02:23:25.992 INFO [stderr] warning: unused import: `std::sync::Mutex`
Dec 12 02:23:25.992 INFO [stderr]   --> src/bin/main.rs:10:5
Dec 12 02:23:25.992 INFO [stderr]    |
Dec 12 02:23:25.992 INFO [stderr] 10 | use std::sync::Mutex;
Dec 12 02:23:25.992 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 12 02:23:25.992 INFO [stderr] 
Dec 12 02:23:26.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 12 02:23:26.204 INFO [stderr] su: No module specific data is present
Dec 12 02:23:26.968 INFO running `"docker" "inspect" "6216c458779bcb02d1f265e846b1f51cd31a54d2ea08a93f8a826966c9e74100"`
Dec 12 02:23:27.246 INFO running `"docker" "rm" "-f" "6216c458779bcb02d1f265e846b1f51cd31a54d2ea08a93f8a826966c9e74100"`
Dec 12 02:23:27.484 INFO [stdout] 6216c458779bcb02d1f265e846b1f51cd31a54d2ea08a93f8a826966c9e74100