Dec 12 06:30:54.002 INFO checking td_rthreadpool-0.1.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:30:54.002 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 06:30:54.476 INFO [stdout] e0e13fe258ea44f6c48514edeaf484387b83901b8c8ff46590562537dbbf3853
Dec 12 06:30:54.484 INFO running `"docker" "start" "-a" "e0e13fe258ea44f6c48514edeaf484387b83901b8c8ff46590562537dbbf3853"`
Dec 12 06:30:56.496 INFO [stderr] usermod: no changes
Dec 12 06:30:56.551 INFO [stderr]     Checking td_rthreadpool v0.1.2 (/source)
Dec 12 06:30:58.882 INFO [stderr] warning: unused import: `self`
Dec 12 06:30:58.882 INFO [stderr]  --> tests/test.rs:3:19
Dec 12 06:30:58.882 INFO [stderr]   |
Dec 12 06:30:58.882 INFO [stderr] 3 | use std::thread::{self, sleep};
Dec 12 06:30:58.882 INFO [stderr]   |                   ^^^^
Dec 12 06:30:58.882 INFO [stderr]   |
Dec 12 06:30:58.882 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 06:30:58.882 INFO [stderr] 
Dec 12 06:30:58.980 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:30:58.980 INFO [stderr]   --> tests/test.rs:38:9
Dec 12 06:30:58.980 INFO [stderr]    |
Dec 12 06:30:58.980 INFO [stderr] 38 |     let mut pool = ThreadPool::new(TEST_TASKS);
Dec 12 06:30:58.980 INFO [stderr]    |         ----^^^^
Dec 12 06:30:58.980 INFO [stderr]    |         |
Dec 12 06:30:58.980 INFO [stderr]    |         help: remove this `mut`
Dec 12 06:30:58.980 INFO [stderr]    |
Dec 12 06:30:58.980 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 06:30:58.980 INFO [stderr] 
Dec 12 06:30:58.987 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 06:30:58.987 INFO [stderr]   --> tests/test.rs:59:13
Dec 12 06:30:58.987 INFO [stderr]    |
Dec 12 06:30:58.987 INFO [stderr] 59 |             1 + 1;
Dec 12 06:30:58.987 INFO [stderr]    |             ^^^^^
Dec 12 06:30:58.987 INFO [stderr]    |
Dec 12 06:30:58.987 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 06:30:58.987 INFO [stderr] 
Dec 12 06:30:59.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Dec 12 06:30:59.038 INFO [stderr] su: No module specific data is present
Dec 12 06:30:59.794 INFO running `"docker" "inspect" "e0e13fe258ea44f6c48514edeaf484387b83901b8c8ff46590562537dbbf3853"`
Dec 12 06:31:00.164 INFO running `"docker" "rm" "-f" "e0e13fe258ea44f6c48514edeaf484387b83901b8c8ff46590562537dbbf3853"`
Dec 12 06:31:00.508 INFO [stdout] e0e13fe258ea44f6c48514edeaf484387b83901b8c8ff46590562537dbbf3853