Nov 29 23:48:31.866 INFO checking kpcyrd/defcon26-pow against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 23:48:31.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 23:48:32.408 INFO [stdout] 55bef256a11a81eb7eb25fb1fd8fbabcaeb3e85f2704d3cb07f0c6b4d61ccef2
Nov 29 23:48:32.410 INFO running `"docker" "start" "-a" "55bef256a11a81eb7eb25fb1fd8fbabcaeb3e85f2704d3cb07f0c6b4d61ccef2"`
Nov 29 23:48:35.331 INFO [stderr] usermod: no changes
Nov 29 23:48:35.492 INFO [stderr]     Checking num-bigint v0.1.43
Nov 29 23:48:37.628 INFO [stderr]     Checking defcon26-pow v0.1.1 (/source)
Nov 29 23:48:38.980 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 29 23:48:38.980 INFO [stderr]   --> src/main.rs:82:5
Nov 29 23:48:38.980 INFO [stderr]    |
Nov 29 23:48:38.980 INFO [stderr] 82 | /     children.into_iter()
Nov 29 23:48:38.980 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Nov 29 23:48:38.980 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Nov 29 23:48:38.980 INFO [stderr]    | |_____________________________^
Nov 29 23:48:38.980 INFO [stderr]    |
Nov 29 23:48:38.980 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 23:48:38.980 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 29 23:48:38.980 INFO [stderr] 
Nov 29 23:48:38.990 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 29 23:48:38.990 INFO [stderr]   --> src/main.rs:82:5
Nov 29 23:48:38.990 INFO [stderr]    |
Nov 29 23:48:38.990 INFO [stderr] 82 | /     children.into_iter()
Nov 29 23:48:38.990 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Nov 29 23:48:38.990 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Nov 29 23:48:38.990 INFO [stderr]    | |_____________________________^
Nov 29 23:48:38.990 INFO [stderr]    |
Nov 29 23:48:38.990 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 23:48:38.990 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 29 23:48:38.990 INFO [stderr] 
Nov 29 23:48:39.040 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
Nov 29 23:48:39.045 INFO [stderr] su: No module specific data is present
Nov 29 23:48:40.118 INFO running `"docker" "inspect" "55bef256a11a81eb7eb25fb1fd8fbabcaeb3e85f2704d3cb07f0c6b4d61ccef2"`
Nov 29 23:48:40.402 INFO running `"docker" "rm" "-f" "55bef256a11a81eb7eb25fb1fd8fbabcaeb3e85f2704d3cb07f0c6b4d61ccef2"`
Nov 29 23:48:40.660 INFO [stdout] 55bef256a11a81eb7eb25fb1fd8fbabcaeb3e85f2704d3cb07f0c6b4d61ccef2