Dec 11 15:11:21.719 INFO checking kpcyrd/defcon26-pow against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:11:21.719 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 15:11:22.144 INFO [stdout] 528809d8c95a851fb0a751553b7d87441fd10b309543e90a1a2863da8160a867
Dec 11 15:11:22.146 INFO running `"docker" "start" "-a" "528809d8c95a851fb0a751553b7d87441fd10b309543e90a1a2863da8160a867"`
Dec 11 15:11:24.347 INFO [stderr] usermod: no changes
Dec 11 15:11:24.464 INFO [stderr]     Checking num-integer v0.1.38
Dec 11 15:11:24.464 INFO [stderr]     Checking sha2 v0.7.1
Dec 11 15:11:25.300 INFO [stderr]     Checking num-bigint v0.1.43
Dec 11 15:11:27.244 INFO [stderr]     Checking defcon26-pow v0.1.1 (/source)
Dec 11 15:11:28.440 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 11 15:11:28.440 INFO [stderr]   --> src/main.rs:82:5
Dec 11 15:11:28.440 INFO [stderr]    |
Dec 11 15:11:28.440 INFO [stderr] 82 | /     children.into_iter()
Dec 11 15:11:28.440 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 11 15:11:28.440 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 11 15:11:28.440 INFO [stderr]    | |_____________________________^
Dec 11 15:11:28.440 INFO [stderr]    |
Dec 11 15:11:28.440 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 15:11:28.440 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 11 15:11:28.440 INFO [stderr] 
Dec 11 15:11:28.548 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 11 15:11:28.548 INFO [stderr]   --> src/main.rs:82:5
Dec 11 15:11:28.548 INFO [stderr]    |
Dec 11 15:11:28.548 INFO [stderr] 82 | /     children.into_iter()
Dec 11 15:11:28.548 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 11 15:11:28.548 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 11 15:11:28.548 INFO [stderr]    | |_____________________________^
Dec 11 15:11:28.548 INFO [stderr]    |
Dec 11 15:11:28.548 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 15:11:28.548 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 11 15:11:28.548 INFO [stderr] 
Dec 11 15:11:28.573 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
Dec 11 15:11:28.577 INFO [stderr] su: No module specific data is present
Dec 11 15:11:29.695 INFO running `"docker" "inspect" "528809d8c95a851fb0a751553b7d87441fd10b309543e90a1a2863da8160a867"`
Dec 11 15:11:30.046 INFO running `"docker" "rm" "-f" "528809d8c95a851fb0a751553b7d87441fd10b309543e90a1a2863da8160a867"`
Dec 11 15:11:30.404 INFO [stdout] 528809d8c95a851fb0a751553b7d87441fd10b309543e90a1a2863da8160a867