Dec 11 15:11:20.641 INFO checking kpcyrd/defcon26-pow against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 15:11:20.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 11 15:11:21.035 INFO [stdout] 4361f4c6a5c5768c835c0c3968acb989832d6acae964366189494629137fb3bc
Dec 11 15:11:21.042 INFO running `"docker" "start" "-a" "4361f4c6a5c5768c835c0c3968acb989832d6acae964366189494629137fb3bc"`
Dec 11 15:11:22.460 INFO [stderr] usermod: no changes
Dec 11 15:11:22.676 INFO [stderr]     Checking num-integer v0.1.38
Dec 11 15:11:23.365 INFO [stderr]     Checking num-bigint v0.1.43
Dec 11 15:11:25.408 INFO [stderr]     Checking defcon26-pow v0.1.1 (/source)
Dec 11 15:11:26.494 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 11 15:11:26.495 INFO [stderr]   --> src/main.rs:82:5
Dec 11 15:11:26.495 INFO [stderr]    |
Dec 11 15:11:26.495 INFO [stderr] 82 | /     children.into_iter()
Dec 11 15:11:26.495 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 11 15:11:26.495 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 11 15:11:26.495 INFO [stderr]    | |_____________________________^
Dec 11 15:11:26.495 INFO [stderr]    |
Dec 11 15:11:26.495 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 15:11:26.495 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 11 15:11:26.495 INFO [stderr] 
Dec 11 15:11:26.585 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 11 15:11:26.585 INFO [stderr]   --> src/main.rs:82:5
Dec 11 15:11:26.585 INFO [stderr]    |
Dec 11 15:11:26.585 INFO [stderr] 82 | /     children.into_iter()
Dec 11 15:11:26.585 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 11 15:11:26.585 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 11 15:11:26.585 INFO [stderr]    | |_____________________________^
Dec 11 15:11:26.585 INFO [stderr]    |
Dec 11 15:11:26.585 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 15:11:26.585 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 11 15:11:26.585 INFO [stderr] 
Dec 11 15:11:26.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
Dec 11 15:11:26.641 INFO [stderr] su: No module specific data is present
Dec 11 15:11:28.171 INFO running `"docker" "inspect" "4361f4c6a5c5768c835c0c3968acb989832d6acae964366189494629137fb3bc"`
Dec 11 15:11:28.578 INFO running `"docker" "rm" "-f" "4361f4c6a5c5768c835c0c3968acb989832d6acae964366189494629137fb3bc"`
Dec 11 15:11:28.892 INFO [stdout] 4361f4c6a5c5768c835c0c3968acb989832d6acae964366189494629137fb3bc