Dec 18 10:29:06.189 INFO checking td_rthreadpool-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:29:06.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/td_rthreadpool/0.1.2:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:29:06.793 INFO [stdout] d4a7f422b7388ac2d6967e74ffeb9a26ade80b8572c5638f1f0e5ebca64336bc
Dec 18 10:29:06.800 INFO running `"docker" "start" "-a" "d4a7f422b7388ac2d6967e74ffeb9a26ade80b8572c5638f1f0e5ebca64336bc"`
Dec 18 10:29:08.484 INFO [stderr]     Checking td_rthreadpool v0.1.2 (/opt/crater/workdir)
Dec 18 10:29:09.444 INFO [stderr] warning: unused import: `self`
Dec 18 10:29:09.444 INFO [stderr]  --> tests/test.rs:3:19
Dec 18 10:29:09.444 INFO [stderr]   |
Dec 18 10:29:09.444 INFO [stderr] 3 | use std::thread::{self, sleep};
Dec 18 10:29:09.445 INFO [stderr]   |                   ^^^^
Dec 18 10:29:09.445 INFO [stderr]   |
Dec 18 10:29:09.445 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:29:09.445 INFO [stderr] 
Dec 18 10:29:09.654 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:29:09.654 INFO [stderr]   --> tests/test.rs:38:9
Dec 18 10:29:09.654 INFO [stderr]    |
Dec 18 10:29:09.654 INFO [stderr] 38 |     let mut pool = ThreadPool::new(TEST_TASKS);
Dec 18 10:29:09.654 INFO [stderr]    |         ----^^^^
Dec 18 10:29:09.654 INFO [stderr]    |         |
Dec 18 10:29:09.654 INFO [stderr]    |         help: remove this `mut`
Dec 18 10:29:09.654 INFO [stderr]    |
Dec 18 10:29:09.654 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 10:29:09.654 INFO [stderr] 
Dec 18 10:29:09.660 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 10:29:09.660 INFO [stderr]   --> tests/test.rs:59:13
Dec 18 10:29:09.660 INFO [stderr]    |
Dec 18 10:29:09.660 INFO [stderr] 59 |             1 + 1;
Dec 18 10:29:09.660 INFO [stderr]    |             ^^^^^
Dec 18 10:29:09.660 INFO [stderr]    |
Dec 18 10:29:09.660 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 10:29:09.660 INFO [stderr] 
Dec 18 10:29:09.722 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 18 10:29:11.384 INFO running `"docker" "inspect" "d4a7f422b7388ac2d6967e74ffeb9a26ade80b8572c5638f1f0e5ebca64336bc"`
Dec 18 10:29:11.706 INFO running `"docker" "rm" "-f" "d4a7f422b7388ac2d6967e74ffeb9a26ade80b8572c5638f1f0e5ebca64336bc"`
Dec 18 10:29:12.008 INFO [stdout] d4a7f422b7388ac2d6967e74ffeb9a26ade80b8572c5638f1f0e5ebca64336bc