[INFO] cloning repository https://github.com/artran/rudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artran/rudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartran%2Frudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartran%2Frudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c112775cdf80d3859ea4ce81dc1eb4c735473a5
[INFO] testing artran/rudoku against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartran%2Frudoku" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/artran/rudoku on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/artran/rudoku
[INFO] finished tweaking git repo https://github.com/artran/rudoku
[INFO] tweaked toml for git repo https://github.com/artran/rudoku written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/artran/rudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c95c99e0d6a99267eb6c7ff597c0409ca94378233ef8c3a575f33fc363779a0
[INFO] running `Command { std: "docker" "start" "-a" "7c95c99e0d6a99267eb6c7ff597c0409ca94378233ef8c3a575f33fc363779a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c95c99e0d6a99267eb6c7ff597c0409ca94378233ef8c3a575f33fc363779a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c95c99e0d6a99267eb6c7ff597c0409ca94378233ef8c3a575f33fc363779a0", kill_on_drop: false }`
[INFO] [stdout] 7c95c99e0d6a99267eb6c7ff597c0409ca94378233ef8c3a575f33fc363779a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367c41faf2d9294eced6d36796a2389904d9b1aadb718515a99fa35171ac2203
[INFO] running `Command { std: "docker" "start" "-a" "367c41faf2d9294eced6d36796a2389904d9b1aadb718515a99fa35171ac2203", 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] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "367c41faf2d9294eced6d36796a2389904d9b1aadb718515a99fa35171ac2203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367c41faf2d9294eced6d36796a2389904d9b1aadb718515a99fa35171ac2203", kill_on_drop: false }`
[INFO] [stdout] 367c41faf2d9294eced6d36796a2389904d9b1aadb718515a99fa35171ac2203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe6cc0a7f0ea85871eb032ae99c1079dfc1acb3713a95a721a4c98d2e684a1d8
[INFO] running `Command { std: "docker" "start" "-a" "fe6cc0a7f0ea85871eb032ae99c1079dfc1acb3713a95a721a4c98d2e684a1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling spectral v0.6.0
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "fe6cc0a7f0ea85871eb032ae99c1079dfc1acb3713a95a721a4c98d2e684a1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6cc0a7f0ea85871eb032ae99c1079dfc1acb3713a95a721a4c98d2e684a1d8", kill_on_drop: false }`
[INFO] [stdout] fe6cc0a7f0ea85871eb032ae99c1079dfc1acb3713a95a721a4c98d2e684a1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 094f90e908400d0f2a3e3ed91a085d44613907759689d06b975366e14d4711c0
[INFO] running `Command { std: "docker" "start" "-a" "094f90e908400d0f2a3e3ed91a085d44613907759689d06b975366e14d4711c0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 24 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-987afcd3f797f69a)
[INFO] [stdout] test board::tests::test_clear_value_at_removes_the_value_at_a_locations_col ... ok
[INFO] [stdout] test board::tests::test_clear_value_at_removes_the_value_at_a_locations_square ... ok
[INFO] [stdout] test board::tests::test_is_empty_at_return_false_if_cell_at_location_is_not_empty ... ok
[INFO] [stdout] test board::tests::test_clear_value_at_removes_the_value_at_a_locations_cell ... ok
[INFO] [stdout] test board::tests::test_new_board_has_nine_boxes ... ok
[INFO] [stdout] test board::tests::test_clear_value_at_removes_the_value_at_a_locations_row ... ok
[INFO] [stdout] test board::tests::test_setting_acceptable_value_returns_true ... ok
[INFO] [stdout] test board::tests::test_setting_unacceptable_value_returns_false ... ok
[INFO] [stdout] test cell_group::test::test_contains_returns_false_if_number_is_not_stored ... ok
[INFO] [stdout] test board::tests::test_setting_unacceptable_value_leaves_state_unchanged ... ok
[INFO] [stdout] test cell_group::test::test_insert_accepts_0_to_9 ... ok
[INFO] [stdout] test cell_group::test::test_contains_returns_true_if_number_is_stored ... ok
[INFO] [stdout] test board::tests::test_new_board_has_nine_rows ... ok
[INFO] [stdout] test board::tests::test_setting_value_puts_value_in_correct_groups ... ok
[INFO] [stdout] test cell_group::test::test_insert_stores_digit ... ok
[INFO] [stdout] test board::tests::test_setting_acceptable_value_updates_board ... ok
[INFO] [stdout] test board::tests::test_setting_unacceptable_value_does_not_update_board ... ok
[INFO] [stdout] test cell_group::test::test_remove_takes_digit_out_of_cell_group ... ok
[INFO] [stdout] test board::tests::test_the_board_can_print_itself ... ok
[INFO] [stdout] test board::tests::test_the_board_can_be_initialised_from_a_string ... ok
[INFO] [stdout] test board::tests::test_that_the_board_solves_sudoku ... ok
[INFO] [stdout] test board::tests::test_new_board_has_nine_cols ... ok
[INFO] [stdout] test board::tests::test_is_empty_at_return_true_if_cell_at_location_is_empty ... ok
[INFO] [stdout] test cell_group::test::test_insert_rejects_values_more_than_nine ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "094f90e908400d0f2a3e3ed91a085d44613907759689d06b975366e14d4711c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094f90e908400d0f2a3e3ed91a085d44613907759689d06b975366e14d4711c0", kill_on_drop: false }`
[INFO] [stdout] 094f90e908400d0f2a3e3ed91a085d44613907759689d06b975366e14d4711c0