Dec 13 13:30:53.123 INFO testing kpcyrd/defcon26-pow against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 13:30:53.123 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 13:30:53.607 INFO [stdout] 2831125bbac82ef4f2df04cf81c9c0c1f6bcdb02ff0a520229e7cdbe83d9b468
Dec 13 13:30:53.612 INFO running `"docker" "start" "-a" "2831125bbac82ef4f2df04cf81c9c0c1f6bcdb02ff0a520229e7cdbe83d9b468"`
Dec 13 13:30:54.849 INFO [stderr] usermod: no changes
Dec 13 13:30:54.975 INFO [stderr]    Compiling num-integer v0.1.38
Dec 13 13:30:55.692 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 13 13:30:58.883 INFO [stderr]    Compiling defcon26-pow v0.1.1 (/source)
Dec 13 13:30:59.774 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 13:30:59.774 INFO [stderr]   --> src/main.rs:82:5
Dec 13 13:30:59.774 INFO [stderr]    |
Dec 13 13:30:59.774 INFO [stderr] 82 | /     children.into_iter()
Dec 13 13:30:59.774 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 13 13:30:59.774 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 13 13:30:59.774 INFO [stderr]    | |_____________________________^
Dec 13 13:30:59.774 INFO [stderr]    |
Dec 13 13:30:59.774 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 13:30:59.774 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 13:30:59.774 INFO [stderr] 
Dec 13 13:31:00.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
Dec 13 13:31:00.959 INFO [stderr] su: No module specific data is present
Dec 13 13:31:01.874 INFO running `"docker" "inspect" "2831125bbac82ef4f2df04cf81c9c0c1f6bcdb02ff0a520229e7cdbe83d9b468"`
Dec 13 13:31:02.125 INFO running `"docker" "rm" "-f" "2831125bbac82ef4f2df04cf81c9c0c1f6bcdb02ff0a520229e7cdbe83d9b468"`
Dec 13 13:31:02.475 INFO [stdout] 2831125bbac82ef4f2df04cf81c9c0c1f6bcdb02ff0a520229e7cdbe83d9b468
Dec 13 13:31:02.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 13:31:02.907 INFO [stdout] d7e5b037d37dc776576469f52d334ce35af30707137661266ba6e2ff366627b2
Dec 13 13:31:02.909 INFO running `"docker" "start" "-a" "d7e5b037d37dc776576469f52d334ce35af30707137661266ba6e2ff366627b2"`
Dec 13 13:31:04.275 INFO [stderr] usermod: no changes
Dec 13 13:31:04.429 INFO [stderr]    Compiling defcon26-pow v0.1.1 (/source)
Dec 13 13:31:05.303 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 13:31:05.303 INFO [stderr]   --> src/main.rs:82:5
Dec 13 13:31:05.303 INFO [stderr]    |
Dec 13 13:31:05.303 INFO [stderr] 82 | /     children.into_iter()
Dec 13 13:31:05.303 INFO [stderr] 83 | |         .map(|c| c.join().unwrap())
Dec 13 13:31:05.303 INFO [stderr] 84 | |         .collect::<Vec<_>>();
Dec 13 13:31:05.303 INFO [stderr]    | |_____________________________^
Dec 13 13:31:05.303 INFO [stderr]    |
Dec 13 13:31:05.303 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 13:31:05.303 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 13:31:05.303 INFO [stderr] 
Dec 13 13:31:06.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 13 13:31:06.105 INFO [stderr] su: No module specific data is present
Dec 13 13:31:07.480 INFO running `"docker" "inspect" "d7e5b037d37dc776576469f52d334ce35af30707137661266ba6e2ff366627b2"`
Dec 13 13:31:07.795 INFO running `"docker" "rm" "-f" "d7e5b037d37dc776576469f52d334ce35af30707137661266ba6e2ff366627b2"`
Dec 13 13:31:08.139 INFO [stdout] d7e5b037d37dc776576469f52d334ce35af30707137661266ba6e2ff366627b2
Dec 13 13:31:08.147 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 13:31:08.659 INFO [stdout] 56a6bdc412328caf858adf96ab30f80795cd880338108b6a3930f9c0da44abff
Dec 13 13:31:08.661 INFO running `"docker" "start" "-a" "56a6bdc412328caf858adf96ab30f80795cd880338108b6a3930f9c0da44abff"`
Dec 13 13:31:11.300 INFO [stderr] usermod: no changes
Dec 13 13:31:11.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 13 13:31:11.391 INFO [stderr]      Running /target/debug/deps/defcon26_pow-9a434b2d93636ff8
Dec 13 13:31:11.399 INFO [stdout] 
Dec 13 13:31:11.399 INFO [stdout] running 3 tests
Dec 13 13:31:11.399 INFO [stdout] test tests::test_check_pow_invalid ... ok
Dec 13 13:31:11.399 INFO [stdout] test tests::test_pow_hash ... ok
Dec 13 13:31:11.401 INFO [stdout] test tests::test_check_pow_valid ... ok
Dec 13 13:31:11.401 INFO [stdout] 
Dec 13 13:31:11.401 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 13:31:11.401 INFO [stdout] 
Dec 13 13:31:11.411 INFO [stderr] su: No module specific data is present
Dec 13 13:31:13.027 INFO running `"docker" "inspect" "56a6bdc412328caf858adf96ab30f80795cd880338108b6a3930f9c0da44abff"`
Dec 13 13:31:13.365 INFO running `"docker" "rm" "-f" "56a6bdc412328caf858adf96ab30f80795cd880338108b6a3930f9c0da44abff"`
Dec 13 13:31:13.743 INFO [stdout] 56a6bdc412328caf858adf96ab30f80795cd880338108b6a3930f9c0da44abff