[INFO] cloning repository https://github.com/Kaiz3n-M/R-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/Kaiz3n-M/R-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaiz3n-M%2FR-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaiz3n-M%2FR-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38c248872fb35fc2a414651c2f93b60deb245518
[INFO] testing Kaiz3n-M/R-sudoku-solver against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaiz3n-M%2FR-sudoku-solver" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kaiz3n-M/R-sudoku-solver on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kaiz3n-M/R-sudoku-solver
[INFO] finished tweaking git repo https://github.com/Kaiz3n-M/R-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/Kaiz3n-M/R-sudoku-solver written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Kaiz3n-M/R-sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3912891f5d77d6d38b3b3c704257d330123cd5d21b86816105be7d5ebebf3cc5
[INFO] running `Command { std: "docker" "start" "-a" "3912891f5d77d6d38b3b3c704257d330123cd5d21b86816105be7d5ebebf3cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3912891f5d77d6d38b3b3c704257d330123cd5d21b86816105be7d5ebebf3cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3912891f5d77d6d38b3b3c704257d330123cd5d21b86816105be7d5ebebf3cc5", kill_on_drop: false }`
[INFO] [stdout] 3912891f5d77d6d38b3b3c704257d330123cd5d21b86816105be7d5ebebf3cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136a2ce80fb4c0462a31ed8a4ab92df18f180ab88d6c9f771266e2a4258c6a51
[INFO] running `Command { std: "docker" "start" "-a" "136a2ce80fb4c0462a31ed8a4ab92df18f180ab88d6c9f771266e2a4258c6a51", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "136a2ce80fb4c0462a31ed8a4ab92df18f180ab88d6c9f771266e2a4258c6a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136a2ce80fb4c0462a31ed8a4ab92df18f180ab88d6c9f771266e2a4258c6a51", kill_on_drop: false }`
[INFO] [stdout] 136a2ce80fb4c0462a31ed8a4ab92df18f180ab88d6c9f771266e2a4258c6a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 706200586d9bc7f13dce9d808cef9446d5273f15b6787c5405291b7da38a7e85
[INFO] running `Command { std: "docker" "start" "-a" "706200586d9bc7f13dce9d808cef9446d5273f15b6787c5405291b7da38a7e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "706200586d9bc7f13dce9d808cef9446d5273f15b6787c5405291b7da38a7e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706200586d9bc7f13dce9d808cef9446d5273f15b6787c5405291b7da38a7e85", kill_on_drop: false }`
[INFO] [stdout] 706200586d9bc7f13dce9d808cef9446d5273f15b6787c5405291b7da38a7e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ef9f2f6659c258aba75c862f87fc0afe530ccc61070098199f2f31a5e002dd6
[INFO] running `Command { std: "docker" "start" "-a" "1ef9f2f6659c258aba75c862f87fc0afe530ccc61070098199f2f31a5e002dd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r_sudoku_solver-25d8ad84ab2b800e)
[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" "1ef9f2f6659c258aba75c862f87fc0afe530ccc61070098199f2f31a5e002dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef9f2f6659c258aba75c862f87fc0afe530ccc61070098199f2f31a5e002dd6", kill_on_drop: false }`
[INFO] [stdout] 1ef9f2f6659c258aba75c862f87fc0afe530ccc61070098199f2f31a5e002dd6