[INFO] cloning repository https://github.com/galkahana/rust-sudoku-quick-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galkahana/rust-sudoku-quick-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalkahana%2Frust-sudoku-quick-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalkahana%2Frust-sudoku-quick-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7786d26535bdd3945f5b1621b51f4268643394be
[INFO] testing galkahana/rust-sudoku-quick-solver against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalkahana%2Frust-sudoku-quick-solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/galkahana/rust-sudoku-quick-solver
[INFO] finished tweaking git repo https://github.com/galkahana/rust-sudoku-quick-solver
[INFO] tweaked toml for git repo https://github.com/galkahana/rust-sudoku-quick-solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/galkahana/rust-sudoku-quick-solver on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/galkahana/rust-sudoku-quick-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcb43fed5403c640ce978ef31efcafa8be5f7a7fc2da5402be5f39278237e586
[INFO] running `Command { std: "docker" "start" "-a" "dcb43fed5403c640ce978ef31efcafa8be5f7a7fc2da5402be5f39278237e586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb43fed5403c640ce978ef31efcafa8be5f7a7fc2da5402be5f39278237e586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb43fed5403c640ce978ef31efcafa8be5f7a7fc2da5402be5f39278237e586", kill_on_drop: false }`
[INFO] [stdout] dcb43fed5403c640ce978ef31efcafa8be5f7a7fc2da5402be5f39278237e586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6c9bcf6638fa0205134dc92b6bfd5a29516646ae4a977ceea281de0b96122d17
[INFO] running `Command { std: "docker" "start" "-a" "6c9bcf6638fa0205134dc92b6bfd5a29516646ae4a977ceea281de0b96122d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling indicatif v0.17.8
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling rust-sudoku-quick-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "6c9bcf6638fa0205134dc92b6bfd5a29516646ae4a977ceea281de0b96122d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9bcf6638fa0205134dc92b6bfd5a29516646ae4a977ceea281de0b96122d17", kill_on_drop: false }`
[INFO] [stdout] 6c9bcf6638fa0205134dc92b6bfd5a29516646ae4a977ceea281de0b96122d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a5f3e6861744963a11e535bf551f07a42364bbf72a94cdbc5904641e07ac6cb8
[INFO] running `Command { std: "docker" "start" "-a" "a5f3e6861744963a11e535bf551f07a42364bbf72a94cdbc5904641e07ac6cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sudoku-quick-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "a5f3e6861744963a11e535bf551f07a42364bbf72a94cdbc5904641e07ac6cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f3e6861744963a11e535bf551f07a42364bbf72a94cdbc5904641e07ac6cb8", kill_on_drop: false }`
[INFO] [stdout] a5f3e6861744963a11e535bf551f07a42364bbf72a94cdbc5904641e07ac6cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 14acf20ff30d472ae863df9ef7e1e7fb913611a03581b10f97e6aec4d3a00e92
[INFO] running `Command { std: "docker" "start" "-a" "14acf20ff30d472ae863df9ef7e1e7fb913611a03581b10f97e6aec4d3a00e92", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_sudoku_quick_solver-f42e6d168d159cea)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_sudoku_quick_solver-4f89984eb352b89c)
[INFO] [stdout] test assignment_constraint::tests::assign_copies_allowed_values_from_another_constraint ... ok
[INFO] [stdout] test assignment_constraint::tests::assign_value_removes_value_from_allowed_values ... ok
[INFO] [stdout] test assignment_constraint::tests::can_assign_value_returns_false_if_value_is_not_allowed ... ok
[INFO] [stdout] test assignment_constraint::tests::clear_removes_all_allowed_values ... ok
[INFO] [stdout] test assignment_constraint::tests::get_possible_assignment_returns_any_allowed_value ... ok
[INFO] [stdout] test assignment_constraint::tests::get_possible_assignment_returns_zero_when_no_possible_assignments ... ok
[INFO] [stdout] test assignment_constraint::tests::has_one_possible_assignment_returns_false_if_there_are_multiple_allowed_values ... ok
[INFO] [stdout] test assignment_constraint::tests::has_one_possible_assignment_returns_true_if_there_is_only_one_allowed_value ... ok
[INFO] [stdout] test assignment_constraint::tests::has_possible_assignments_returns_false_if_there_are_no_allowed_values ... ok
[INFO] [stdout] test assignment_constraint::tests::has_possible_assignments_returns_true_if_there_are_allowed_values ... ok
[INFO] [stdout] test assignment_constraint::tests::intersect_with_retains_common_values_with_another_constraint ... ok
[INFO] [stdout] test assignment_constraint::tests::can_assign_value_returns_true_if_value_is_allowed ... ok
[INFO] [stdout] test assignment_constraint::tests::new_creates_assignment_constraint_with_all_values ... ok
[INFO] [stdout] test board::tests::read_board_returns_error_on_incomplete_input ... ok
[INFO] [stdout] test board::tests::new_board_is_all_empty ... ok
[INFO] [stdout] test board::tests::write_board_to_writer ... ok
[INFO] [stdout] test board::tests::read_board_creates_new_read_board ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stderr]      Running tests/sudoku_game_test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/sudoku_game_test-08b4a0594d2e7dde)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sudoku_game_correctly_solves_puzzle_17_without_backtracking ... ok
[INFO] [stdout] test sudoku_game_correctly_solves_puzzle_too_hard_with_backtracking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14acf20ff30d472ae863df9ef7e1e7fb913611a03581b10f97e6aec4d3a00e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14acf20ff30d472ae863df9ef7e1e7fb913611a03581b10f97e6aec4d3a00e92", kill_on_drop: false }`
[INFO] [stdout] 14acf20ff30d472ae863df9ef7e1e7fb913611a03581b10f97e6aec4d3a00e92