Nov 16 21:59:45.504 INFO testing kpcyrd/defcon26-pow against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 21:59:45.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 21:59:46.071 INFO [stdout] b1408105253e2db8f382601f5dfa13df041aeefd701165024567c84446518222
Nov 16 21:59:46.073 INFO running `"docker" "start" "-a" "b1408105253e2db8f382601f5dfa13df041aeefd701165024567c84446518222"`
Nov 16 21:59:48.278 INFO [stderr] usermod: no changes
Nov 16 21:59:48.420 INFO [stderr]    Compiling num-bigint v0.1.43
Nov 16 21:59:51.917 INFO [stderr]    Compiling defcon26-pow v0.1.1 (/source)
Nov 16 21:59:52.747 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 21:59:52.748 INFO [stderr]   --> src/main.rs:82:5
Nov 16 21:59:52.748 INFO [stderr]    |
Nov 16 21:59:52.749 INFO [stderr] 82 | /     children.into_iter()
Nov 16 21:59:52.749 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Nov 16 21:59:52.750 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Nov 16 21:59:52.751 INFO [stderr]    | |_____________________________^
Nov 16 21:59:52.751 INFO [stderr]    |
Nov 16 21:59:52.752 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 21:59:52.752 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 21:59:52.753 INFO [stderr] 
Nov 16 21:59:53.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
Nov 16 21:59:53.891 INFO [stderr] su: No module specific data is present
Nov 16 21:59:55.026 INFO running `"docker" "inspect" "b1408105253e2db8f382601f5dfa13df041aeefd701165024567c84446518222"`
Nov 16 21:59:55.401 INFO running `"docker" "rm" "-f" "b1408105253e2db8f382601f5dfa13df041aeefd701165024567c84446518222"`
Nov 16 21:59:55.679 INFO [stdout] b1408105253e2db8f382601f5dfa13df041aeefd701165024567c84446518222
Nov 16 21:59:55.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 21:59:56.207 INFO [stdout] 40b085b792002ba6b3719f849bba0314c316ca5492ba88ff9eede7355acf6d68
Nov 16 21:59:56.209 INFO running `"docker" "start" "-a" "40b085b792002ba6b3719f849bba0314c316ca5492ba88ff9eede7355acf6d68"`
Nov 16 21:59:57.982 INFO [stderr] usermod: no changes
Nov 16 21:59:58.135 INFO [stderr]    Compiling defcon26-pow v0.1.1 (/source)
Nov 16 21:59:58.951 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 21:59:58.951 INFO [stderr]   --> src/main.rs:82:5
Nov 16 21:59:58.951 INFO [stderr]    |
Nov 16 21:59:58.951 INFO [stderr] 82 | /     children.into_iter()
Nov 16 21:59:58.951 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Nov 16 21:59:58.951 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Nov 16 21:59:58.951 INFO [stderr]    | |_____________________________^
Nov 16 21:59:58.951 INFO [stderr]    |
Nov 16 21:59:58.951 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 21:59:58.951 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 21:59:58.951 INFO [stderr] 
Nov 16 21:59:59.933 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Nov 16 21:59:59.939 INFO [stderr] su: No module specific data is present
Nov 16 22:00:00.999 INFO running `"docker" "inspect" "40b085b792002ba6b3719f849bba0314c316ca5492ba88ff9eede7355acf6d68"`
Nov 16 22:00:01.281 INFO running `"docker" "rm" "-f" "40b085b792002ba6b3719f849bba0314c316ca5492ba88ff9eede7355acf6d68"`
Nov 16 22:00:01.541 INFO [stdout] 40b085b792002ba6b3719f849bba0314c316ca5492ba88ff9eede7355acf6d68
Nov 16 22:00:01.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 22:00:01.967 INFO [stdout] 6f4500ffdb1c77f2a4a04a64c6c536cd3161ec9b1b4c9635384aec0e34a92914
Nov 16 22:00:01.973 INFO running `"docker" "start" "-a" "6f4500ffdb1c77f2a4a04a64c6c536cd3161ec9b1b4c9635384aec0e34a92914"`
Nov 16 22:00:03.586 INFO [stderr] usermod: no changes
Nov 16 22:00:03.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Nov 16 22:00:03.709 INFO [stderr]      Running /target/debug/deps/defcon26_pow-de8647e400e8a887
Nov 16 22:00:03.711 INFO [stdout] 
Nov 16 22:00:03.712 INFO [stdout] running 3 tests
Nov 16 22:00:03.721 INFO [stdout] test tests::test_check_pow_invalid ... ok
Nov 16 22:00:03.721 INFO [stdout] test tests::test_pow_hash ... ok
Nov 16 22:00:03.721 INFO [stdout] test tests::test_check_pow_valid ... ok
Nov 16 22:00:03.721 INFO [stdout] 
Nov 16 22:00:03.721 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 22:00:03.721 INFO [stdout] 
Nov 16 22:00:03.721 INFO [stderr] su: No module specific data is present
Nov 16 22:00:04.995 INFO running `"docker" "inspect" "6f4500ffdb1c77f2a4a04a64c6c536cd3161ec9b1b4c9635384aec0e34a92914"`
Nov 16 22:00:05.287 INFO running `"docker" "rm" "-f" "6f4500ffdb1c77f2a4a04a64c6c536cd3161ec9b1b4c9635384aec0e34a92914"`
Nov 16 22:00:05.623 INFO [stdout] 6f4500ffdb1c77f2a4a04a64c6c536cd3161ec9b1b4c9635384aec0e34a92914