Dec 04 15:33:35.181 INFO checking kpcyrd/defcon26-pow against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:33:35.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 15:33:35.739 INFO [stdout] a7b01272be7b6f51af6e6d5551379fb7e46ce595bc469dfa77fe833907fdf38d
Dec 04 15:33:35.745 INFO running `"docker" "start" "-a" "a7b01272be7b6f51af6e6d5551379fb7e46ce595bc469dfa77fe833907fdf38d"`
Dec 04 15:33:37.987 INFO [stderr] usermod: no changes
Dec 04 15:33:38.155 INFO [stderr]     Checking num-bigint v0.1.43
Dec 04 15:33:40.003 INFO [stderr]     Checking defcon26-pow v0.1.1 (/source)
Dec 04 15:33:41.055 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 15:33:41.055 INFO [stderr]   --> src/main.rs:82:5
Dec 04 15:33:41.055 INFO [stderr]    |
Dec 04 15:33:41.055 INFO [stderr] 82 | /     children.into_iter()
Dec 04 15:33:41.055 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 04 15:33:41.055 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 04 15:33:41.055 INFO [stderr]    | |_____________________________^
Dec 04 15:33:41.055 INFO [stderr]    |
Dec 04 15:33:41.055 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:33:41.055 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 15:33:41.055 INFO [stderr] 
Dec 04 15:33:41.356 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 15:33:41.356 INFO [stderr]   --> src/main.rs:82:5
Dec 04 15:33:41.356 INFO [stderr]    |
Dec 04 15:33:41.356 INFO [stderr] 82 | /     children.into_iter()
Dec 04 15:33:41.356 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 04 15:33:41.356 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 04 15:33:41.356 INFO [stderr]    | |_____________________________^
Dec 04 15:33:41.356 INFO [stderr]    |
Dec 04 15:33:41.356 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:33:41.356 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 15:33:41.356 INFO [stderr] 
Dec 04 15:33:41.403 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
Dec 04 15:33:41.408 INFO [stderr] su: No module specific data is present
Dec 04 15:33:42.556 INFO running `"docker" "inspect" "a7b01272be7b6f51af6e6d5551379fb7e46ce595bc469dfa77fe833907fdf38d"`
Dec 04 15:33:42.791 INFO running `"docker" "rm" "-f" "a7b01272be7b6f51af6e6d5551379fb7e46ce595bc469dfa77fe833907fdf38d"`
Dec 04 15:33:43.151 INFO [stdout] a7b01272be7b6f51af6e6d5551379fb7e46ce595bc469dfa77fe833907fdf38d