Dec 04 15:33:35.117 INFO checking kpcyrd/defcon26-pow against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:33:35.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 15:33:35.684 INFO [stdout] 0d9732cebd9932517355e7fc1e500435500eabfd0d2a1156730c855a1cc86d2f
Dec 04 15:33:35.686 INFO running `"docker" "start" "-a" "0d9732cebd9932517355e7fc1e500435500eabfd0d2a1156730c855a1cc86d2f"`
Dec 04 15:33:37.235 INFO [stderr] usermod: no changes
Dec 04 15:33:37.373 INFO [stderr]     Checking num-bigint v0.1.43
Dec 04 15:33:39.511 INFO [stderr]     Checking defcon26-pow v0.1.1 (/source)
Dec 04 15:33:40.714 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 15:33:40.714 INFO [stderr]   --> src/main.rs:82:5
Dec 04 15:33:40.715 INFO [stderr]    |
Dec 04 15:33:40.715 INFO [stderr] 82 | /     children.into_iter()
Dec 04 15:33:40.716 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 04 15:33:40.716 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 04 15:33:40.716 INFO [stderr]    | |_____________________________^
Dec 04 15:33:40.716 INFO [stderr]    |
Dec 04 15:33:40.717 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:33:40.717 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 15:33:40.717 INFO [stderr] 
Dec 04 15:33:40.765 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 15:33:40.766 INFO [stderr]   --> src/main.rs:82:5
Dec 04 15:33:40.766 INFO [stderr]    |
Dec 04 15:33:40.766 INFO [stderr] 82 | /     children.into_iter()
Dec 04 15:33:40.767 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 04 15:33:40.767 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 04 15:33:40.767 INFO [stderr]    | |_____________________________^
Dec 04 15:33:40.768 INFO [stderr]    |
Dec 04 15:33:40.768 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:33:40.768 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 15:33:40.768 INFO [stderr] 
Dec 04 15:33:40.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
Dec 04 15:33:40.803 INFO [stderr] su: No module specific data is present
Dec 04 15:33:42.255 INFO running `"docker" "inspect" "0d9732cebd9932517355e7fc1e500435500eabfd0d2a1156730c855a1cc86d2f"`
Dec 04 15:33:42.543 INFO running `"docker" "rm" "-f" "0d9732cebd9932517355e7fc1e500435500eabfd0d2a1156730c855a1cc86d2f"`
Dec 04 15:33:42.751 INFO [stdout] 0d9732cebd9932517355e7fc1e500435500eabfd0d2a1156730c855a1cc86d2f