[INFO] cloning repository https://github.com/coopersimon/RustSudokuSolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coopersimon/RustSudokuSolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 625478f44e697554545f1298cc703089843a1cb1
[INFO] testing coopersimon/RustSudokuSolver against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coopersimon/RustSudokuSolver on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] finished tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] tweaked toml for git repo https://github.com/coopersimon/RustSudokuSolver written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/coopersimon/RustSudokuSolver 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing coopersimon/RustSudokuSolver against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2FRustSudokuSolver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coopersimon/RustSudokuSolver on toolchain beta-2024-03-24
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] finished tweaking git repo https://github.com/coopersimon/RustSudokuSolver
[INFO] tweaked toml for git repo https://github.com/coopersimon/RustSudokuSolver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/coopersimon/RustSudokuSolver 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" "+beta-2024-03-24" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c1dfec2748b82a8af129a5d4d19bc95d9a89ed43f84faa2331c3c29898634d7
[INFO] running `Command { std: "docker" "start" "-a" "9c1dfec2748b82a8af129a5d4d19bc95d9a89ed43f84faa2331c3c29898634d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c1dfec2748b82a8af129a5d4d19bc95d9a89ed43f84faa2331c3c29898634d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1dfec2748b82a8af129a5d4d19bc95d9a89ed43f84faa2331c3c29898634d7", kill_on_drop: false }`
[INFO] [stdout] 9c1dfec2748b82a8af129a5d4d19bc95d9a89ed43f84faa2331c3c29898634d7
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c0ef990b42d47ea71e174da0512cd86d878c4226b552f6f3b64da40f773a64
[INFO] running `Command { std: "docker" "start" "-a" "10c0ef990b42d47ea71e174da0512cd86d878c4226b552f6f3b64da40f773a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[INFO] [stdout]     |       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:187:28
[INFO] [stdout]     |
[INFO] [stdout] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "10c0ef990b42d47ea71e174da0512cd86d878c4226b552f6f3b64da40f773a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c0ef990b42d47ea71e174da0512cd86d878c4226b552f6f3b64da40f773a64", kill_on_drop: false }`
[INFO] [stdout] 10c0ef990b42d47ea71e174da0512cd86d878c4226b552f6f3b64da40f773a64
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51d73450636dd8dc719751bcd79b1ef9bdc2b67850c21459ddcd6ce3794946a
[INFO] running `Command { std: "docker" "start" "-a" "a51d73450636dd8dc719751bcd79b1ef9bdc2b67850c21459ddcd6ce3794946a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[INFO] [stdout]     |       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:187:28
[INFO] [stdout]     |
[INFO] [stdout] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a51d73450636dd8dc719751bcd79b1ef9bdc2b67850c21459ddcd6ce3794946a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51d73450636dd8dc719751bcd79b1ef9bdc2b67850c21459ddcd6ce3794946a", kill_on_drop: false }`
[INFO] [stdout] a51d73450636dd8dc719751bcd79b1ef9bdc2b67850c21459ddcd6ce3794946a
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a84ff7f9d45ed0f30ac8c633156251dc767c477c279d2532788f05a47b41a80
[INFO] running `Command { std: "docker" "start" "-a" "9a84ff7f9d45ed0f30ac8c633156251dc767c477c279d2532788f05a47b41a80", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:7
[INFO] [stderr]     |
[INFO] [stderr] 189 |       try!(input_file.read_to_string(&mut file_contents).map_err(|e| e.to_string()));
[INFO] [stderr]     |       ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 |       let mut input_file = try!(File::open(file_name).map_err(|e| e.to_string()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku_solver` (bin "sudoku_solver" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-4ce8b7a68ae15990)
[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" "9a84ff7f9d45ed0f30ac8c633156251dc767c477c279d2532788f05a47b41a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a84ff7f9d45ed0f30ac8c633156251dc767c477c279d2532788f05a47b41a80", kill_on_drop: false }`
[INFO] [stdout] 9a84ff7f9d45ed0f30ac8c633156251dc767c477c279d2532788f05a47b41a80