[INFO] cloning repository https://github.com/vblanes/rust_sudoku_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vblanes/rust_sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvblanes%2Frust_sudoku_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvblanes%2Frust_sudoku_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72fef14ffd3b2aedbb290b76c6234938fb8e093e
[INFO] testing vblanes/rust_sudoku_solver 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%2Fvblanes%2Frust_sudoku_solver" "/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/vblanes/rust_sudoku_solver 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/vblanes/rust_sudoku_solver
[INFO] finished tweaking git repo https://github.com/vblanes/rust_sudoku_solver
[INFO] tweaked toml for git repo https://github.com/vblanes/rust_sudoku_solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vblanes/rust_sudoku_solver 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] [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] a0932d186b63ed8200d52b91d722c3dff7af3e670d060f0177f3aeb84fd33ce6
[INFO] running `Command { std: "docker" "start" "-a" "a0932d186b63ed8200d52b91d722c3dff7af3e670d060f0177f3aeb84fd33ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0932d186b63ed8200d52b91d722c3dff7af3e670d060f0177f3aeb84fd33ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0932d186b63ed8200d52b91d722c3dff7af3e670d060f0177f3aeb84fd33ce6", kill_on_drop: false }`
[INFO] [stdout] a0932d186b63ed8200d52b91d722c3dff7af3e670d060f0177f3aeb84fd33ce6
[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] f3b945a0998f29d010e45678a1b8164b174950ef70d83230bfe6853deb5629ab
[INFO] running `Command { std: "docker" "start" "-a" "f3b945a0998f29d010e45678a1b8164b174950ef70d83230bfe6853deb5629ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudokusolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "f3b945a0998f29d010e45678a1b8164b174950ef70d83230bfe6853deb5629ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b945a0998f29d010e45678a1b8164b174950ef70d83230bfe6853deb5629ab", kill_on_drop: false }`
[INFO] [stdout] f3b945a0998f29d010e45678a1b8164b174950ef70d83230bfe6853deb5629ab
[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] 7cacc37252c55fbbcfe555f303ac04bda94ca9afe784c7f840ef8b9d46d898ff
[INFO] running `Command { std: "docker" "start" "-a" "7cacc37252c55fbbcfe555f303ac04bda94ca9afe784c7f840ef8b9d46d898ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudokusolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sudokusolver-2306bf778c518795)
[INFO] running `Command { std: "docker" "inspect" "7cacc37252c55fbbcfe555f303ac04bda94ca9afe784c7f840ef8b9d46d898ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cacc37252c55fbbcfe555f303ac04bda94ca9afe784c7f840ef8b9d46d898ff", kill_on_drop: false }`
[INFO] [stdout] 7cacc37252c55fbbcfe555f303ac04bda94ca9afe784c7f840ef8b9d46d898ff
[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] b156383e5d6eaebb16ac973aeba0a0fb87f3ae6ae482ca78513575e227a51fba
[INFO] running `Command { std: "docker" "start" "-a" "b156383e5d6eaebb16ac973aeba0a0fb87f3ae6ae482ca78513575e227a51fba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudokusolver-2306bf778c518795)
[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" "b156383e5d6eaebb16ac973aeba0a0fb87f3ae6ae482ca78513575e227a51fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b156383e5d6eaebb16ac973aeba0a0fb87f3ae6ae482ca78513575e227a51fba", kill_on_drop: false }`
[INFO] [stdout] b156383e5d6eaebb16ac973aeba0a0fb87f3ae6ae482ca78513575e227a51fba