Dec 05 17:15:36.577 INFO testing kpcyrd/defcon26-pow against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 17:15:36.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 17:15:37.070 INFO [stdout] 38f761454252df69a8108b1e9caa9105df851df394babd0e93bca28020c4633b
Dec 05 17:15:37.072 INFO running `"docker" "start" "-a" "38f761454252df69a8108b1e9caa9105df851df394babd0e93bca28020c4633b"`
Dec 05 17:15:38.644 INFO [stderr] usermod: no changes
Dec 05 17:15:38.745 INFO [stderr]    Compiling num-integer v0.1.38
Dec 05 17:15:39.425 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 05 17:15:42.321 INFO [stderr]    Compiling defcon26-pow v0.1.1 (/source)
Dec 05 17:15:43.140 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 17:15:43.140 INFO [stderr]   --> src/main.rs:82:5
Dec 05 17:15:43.140 INFO [stderr]    |
Dec 05 17:15:43.140 INFO [stderr] 82 | /     children.into_iter()
Dec 05 17:15:43.140 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 05 17:15:43.140 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 05 17:15:43.140 INFO [stderr]    | |_____________________________^
Dec 05 17:15:43.140 INFO [stderr]    |
Dec 05 17:15:43.140 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 17:15:43.140 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 17:15:43.140 INFO [stderr] 
Dec 05 17:15:44.016 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
Dec 05 17:15:44.016 INFO [stderr] su: No module specific data is present
Dec 05 17:15:44.836 INFO running `"docker" "inspect" "38f761454252df69a8108b1e9caa9105df851df394babd0e93bca28020c4633b"`
Dec 05 17:15:45.096 INFO running `"docker" "rm" "-f" "38f761454252df69a8108b1e9caa9105df851df394babd0e93bca28020c4633b"`
Dec 05 17:15:45.408 INFO [stdout] 38f761454252df69a8108b1e9caa9105df851df394babd0e93bca28020c4633b
Dec 05 17:15:45.416 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 17:15:45.890 INFO [stdout] 08c099bc2f16e89ff68198c701917b2d4bfd6d4e0dfcc1378f360aea57d808d9
Dec 05 17:15:45.892 INFO running `"docker" "start" "-a" "08c099bc2f16e89ff68198c701917b2d4bfd6d4e0dfcc1378f360aea57d808d9"`
Dec 05 17:15:47.318 INFO [stderr] usermod: no changes
Dec 05 17:15:47.440 INFO [stderr]    Compiling defcon26-pow v0.1.1 (/source)
Dec 05 17:15:48.240 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 17:15:48.240 INFO [stderr]   --> src/main.rs:82:5
Dec 05 17:15:48.240 INFO [stderr]    |
Dec 05 17:15:48.240 INFO [stderr] 82 | /     children.into_iter()
Dec 05 17:15:48.240 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 05 17:15:48.240 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 05 17:15:48.240 INFO [stderr]    | |_____________________________^
Dec 05 17:15:48.240 INFO [stderr]    |
Dec 05 17:15:48.240 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 17:15:48.240 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 17:15:48.240 INFO [stderr] 
Dec 05 17:15:49.077 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 05 17:15:49.093 INFO [stderr] su: No module specific data is present
Dec 05 17:15:50.365 INFO running `"docker" "inspect" "08c099bc2f16e89ff68198c701917b2d4bfd6d4e0dfcc1378f360aea57d808d9"`
Dec 05 17:15:50.638 INFO running `"docker" "rm" "-f" "08c099bc2f16e89ff68198c701917b2d4bfd6d4e0dfcc1378f360aea57d808d9"`
Dec 05 17:15:50.959 INFO [stdout] 08c099bc2f16e89ff68198c701917b2d4bfd6d4e0dfcc1378f360aea57d808d9
Dec 05 17:15:50.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 05 17:15:51.484 INFO [stdout] 1a9c383dfbf76fca09ba975c6b3ca6b05747cbd7ce1c6ed1de299b85a44e9e17
Dec 05 17:15:51.487 INFO running `"docker" "start" "-a" "1a9c383dfbf76fca09ba975c6b3ca6b05747cbd7ce1c6ed1de299b85a44e9e17"`
Dec 05 17:15:52.928 INFO [stderr] usermod: no changes
Dec 05 17:15:53.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 05 17:15:53.024 INFO [stderr]      Running /target/debug/deps/defcon26_pow-f8ceb52be5997996
Dec 05 17:15:53.032 INFO [stderr] su: No module specific data is present
Dec 05 17:15:53.032 INFO [stdout] 
Dec 05 17:15:53.032 INFO [stdout] running 3 tests
Dec 05 17:15:53.032 INFO [stdout] test tests::test_check_pow_valid ... ok
Dec 05 17:15:53.032 INFO [stdout] test tests::test_pow_hash ... ok
Dec 05 17:15:53.032 INFO [stdout] test tests::test_check_pow_invalid ... ok
Dec 05 17:15:53.032 INFO [stdout] 
Dec 05 17:15:53.032 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 17:15:53.032 INFO [stdout] 
Dec 05 17:15:53.937 INFO running `"docker" "inspect" "1a9c383dfbf76fca09ba975c6b3ca6b05747cbd7ce1c6ed1de299b85a44e9e17"`
Dec 05 17:15:54.280 INFO running `"docker" "rm" "-f" "1a9c383dfbf76fca09ba975c6b3ca6b05747cbd7ce1c6ed1de299b85a44e9e17"`
Dec 05 17:15:54.575 INFO [stdout] 1a9c383dfbf76fca09ba975c6b3ca6b05747cbd7ce1c6ed1de299b85a44e9e17