[INFO] cloning repository https://github.com/xumarcus/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xumarcus/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8392698798747b6e24918be1e48cef1f04250239
[INFO] testing xumarcus/sudoku against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fsudoku" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xumarcus/sudoku on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xumarcus/sudoku
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/xumarcus/sudoku
[INFO] tweaked toml for git repo https://github.com/xumarcus/sudoku written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/xumarcus/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf1a556fcc435d7644ca0a0b127fc1ca418caf97c5858ec76227252c923a3dc
[INFO] running `Command { std: "docker" "start" "-a" "1bf1a556fcc435d7644ca0a0b127fc1ca418caf97c5858ec76227252c923a3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf1a556fcc435d7644ca0a0b127fc1ca418caf97c5858ec76227252c923a3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf1a556fcc435d7644ca0a0b127fc1ca418caf97c5858ec76227252c923a3dc", kill_on_drop: false }`
[INFO] [stdout] 1bf1a556fcc435d7644ca0a0b127fc1ca418caf97c5858ec76227252c923a3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 788452b0f58e5cffdf22202de160956c0708fb48c84be702483d2bce2cb6c85d
[INFO] running `Command { std: "docker" "start" "-a" "788452b0f58e5cffdf22202de160956c0708fb48c84be702483d2bce2cb6c85d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "788452b0f58e5cffdf22202de160956c0708fb48c84be702483d2bce2cb6c85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788452b0f58e5cffdf22202de160956c0708fb48c84be702483d2bce2cb6c85d", kill_on_drop: false }`
[INFO] [stdout] 788452b0f58e5cffdf22202de160956c0708fb48c84be702483d2bce2cb6c85d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd6ce26066d28fd283fd3b2e21093b49dc2af46919d5acabd39d8f2805e3aefc
[INFO] running `Command { std: "docker" "start" "-a" "dd6ce26066d28fd283fd3b2e21093b49dc2af46919d5acabd39d8f2805e3aefc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "dd6ce26066d28fd283fd3b2e21093b49dc2af46919d5acabd39d8f2805e3aefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6ce26066d28fd283fd3b2e21093b49dc2af46919d5acabd39d8f2805e3aefc", kill_on_drop: false }`
[INFO] [stdout] dd6ce26066d28fd283fd3b2e21093b49dc2af46919d5acabd39d8f2805e3aefc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc6c3f352591fa8ca17316aa065d3a2a81b741da74ef21a02f19c3e9d59b85bf
[INFO] running `Command { std: "docker" "start" "-a" "cc6c3f352591fa8ca17316aa065d3a2a81b741da74ef21a02f19c3e9d59b85bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-c163407e91f00c65)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::prop_blk_indices_contain_self ... ok
[INFO] [stdout] test tests::prop_col_indices_contain_self ... ok
[INFO] [stdout] test tests::prop_iterate_items_nine_times ... ok
[INFO] [stdout] test tests::prop_iterate_bits ... ok
[INFO] [stdout] test tests::prune_buf_one_cell_empty ... ok
[INFO] [stdout] test tests::test_iterate_bits ... ok
[INFO] [stdout] test tests::prop_iterate_nonzero_items ... ok
[INFO] [stdout] test tests::test_iterate_items_nine_times ... ok
[INFO] [stdout] test tests::prop_row_indices_contain_self ... ok
[INFO] [stdout] test tests::test_iterate_nonzero_items ... ok
[INFO] [stdout] test tests::test_kuhn_one_cell_empty ... ok
[INFO] [stdout] test tests::test_kuhn_one_one_matching ... ok
[INFO] [stdout] test tests::test_kuhn_simple_sudoku ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-964dec2d61cc1dee)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-2f43d8882209d47c)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test serialization ... ok
[INFO] [stdout] test one_cell_sudoku ... ok
[INFO] [stdout] test solved_sudoku ... ok
[INFO] [stdout] test sudoku_easy ... ok
[INFO] [stdout] test sudoku_medium ... ok
[INFO] [stdout] test unsolvable_sudokus ... ok
[INFO] [stdout] test sudoku_hard ... ok
[INFO] [stdout] test arto_inkala ... ok
[INFO] [stdout] test multiple_solutions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc6c3f352591fa8ca17316aa065d3a2a81b741da74ef21a02f19c3e9d59b85bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6c3f352591fa8ca17316aa065d3a2a81b741da74ef21a02f19c3e9d59b85bf", kill_on_drop: false }`
[INFO] [stdout] cc6c3f352591fa8ca17316aa065d3a2a81b741da74ef21a02f19c3e9d59b85bf