[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 beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fsudoku" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xumarcus/sudoku on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-4/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0928ac3d95d0ef17ed1e993957efbf7ae9fb3e83b96aefea1f70cf6cb33eac65
[INFO] running `Command { std: "docker" "start" "-a" "0928ac3d95d0ef17ed1e993957efbf7ae9fb3e83b96aefea1f70cf6cb33eac65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0928ac3d95d0ef17ed1e993957efbf7ae9fb3e83b96aefea1f70cf6cb33eac65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0928ac3d95d0ef17ed1e993957efbf7ae9fb3e83b96aefea1f70cf6cb33eac65", kill_on_drop: false }`
[INFO] [stdout] 0928ac3d95d0ef17ed1e993957efbf7ae9fb3e83b96aefea1f70cf6cb33eac65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd046c04eee5e1d809ebc51c53791293dbf4cfb7a806649bfe533aed12bf0234
[INFO] running `Command { std: "docker" "start" "-a" "fd046c04eee5e1d809ebc51c53791293dbf4cfb7a806649bfe533aed12bf0234", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling quote v1.0.9
[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 7.19s
[INFO] running `Command { std: "docker" "inspect" "fd046c04eee5e1d809ebc51c53791293dbf4cfb7a806649bfe533aed12bf0234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd046c04eee5e1d809ebc51c53791293dbf4cfb7a806649bfe533aed12bf0234", kill_on_drop: false }`
[INFO] [stdout] fd046c04eee5e1d809ebc51c53791293dbf4cfb7a806649bfe533aed12bf0234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f631375a4655d944e89cbbba763fcdc9d1ece5ec8bc9f262ff0d626569385b3e
[INFO] running `Command { std: "docker" "start" "-a" "f631375a4655d944e89cbbba763fcdc9d1ece5ec8bc9f262ff0d626569385b3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.3
[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 6.16s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku-f7f38a2afc3a8958)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku-ce8885ed4c2e4d49)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-53df5c8787bf95bd)
[INFO] running `Command { std: "docker" "inspect" "f631375a4655d944e89cbbba763fcdc9d1ece5ec8bc9f262ff0d626569385b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f631375a4655d944e89cbbba763fcdc9d1ece5ec8bc9f262ff0d626569385b3e", kill_on_drop: false }`
[INFO] [stdout] f631375a4655d944e89cbbba763fcdc9d1ece5ec8bc9f262ff0d626569385b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 293d30bb73eb5ffe9f529e2cbe76c51799a4b01afb50cc90f825b88be3b881c1
[INFO] running `Command { std: "docker" "start" "-a" "293d30bb73eb5ffe9f529e2cbe76c51799a4b01afb50cc90f825b88be3b881c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku-f7f38a2afc3a8958)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::prune_buf_one_cell_empty ... ok
[INFO] [stdout] test tests::test_iterate_items_nine_times ... ok
[INFO] [stdout] test tests::prop_col_indices_contain_self ... ok
[INFO] [stdout] test tests::prop_blk_indices_contain_self ... ok
[INFO] [stdout] test tests::test_iterate_bits ... ok
[INFO] [stdout] test tests::prop_row_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::test_iterate_nonzero_items ... ok
[INFO] [stdout] test tests::test_kuhn_one_one_matching ... ok
[INFO] [stdout] test tests::test_kuhn_one_cell_empty ... ok
[INFO] [stdout] test tests::prop_iterate_nonzero_items ... 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 src/main.rs (/opt/rustwide/target/debug/deps/sudoku-ce8885ed4c2e4d49)
[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-53df5c8787bf95bd)
[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 3.37s
[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" "293d30bb73eb5ffe9f529e2cbe76c51799a4b01afb50cc90f825b88be3b881c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293d30bb73eb5ffe9f529e2cbe76c51799a4b01afb50cc90f825b88be3b881c1", kill_on_drop: false }`
[INFO] [stdout] 293d30bb73eb5ffe9f529e2cbe76c51799a4b01afb50cc90f825b88be3b881c1