[INFO] cloning repository https://github.com/tungbuidang/rust-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tungbuidang/rust-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungbuidang%2Frust-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungbuidang%2Frust-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df96d3c2453482009c1d78cd9472b26faa2c309f
[INFO] testing tungbuidang/rust-sudoku against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungbuidang%2Frust-sudoku" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tungbuidang/rust-sudoku on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tungbuidang/rust-sudoku
[INFO] finished tweaking git repo https://github.com/tungbuidang/rust-sudoku
[INFO] tweaked toml for git repo https://github.com/tungbuidang/rust-sudoku written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/tungbuidang/rust-sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c6c0e802bd819f63a413683d52aaa9413df999f7c5831823cfd2a11539afba
[INFO] running `Command { std: "docker" "start" "-a" "67c6c0e802bd819f63a413683d52aaa9413df999f7c5831823cfd2a11539afba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c6c0e802bd819f63a413683d52aaa9413df999f7c5831823cfd2a11539afba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c6c0e802bd819f63a413683d52aaa9413df999f7c5831823cfd2a11539afba", kill_on_drop: false }`
[INFO] [stdout] 67c6c0e802bd819f63a413683d52aaa9413df999f7c5831823cfd2a11539afba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409973aee70b3ca53ce4dbc71669e7c6f58002eb2f7d8ce0953f030edfb53ace
[INFO] running `Command { std: "docker" "start" "-a" "409973aee70b3ca53ce4dbc71669e7c6f58002eb2f7d8ce0953f030edfb53ace", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `Command { std: "docker" "inspect" "409973aee70b3ca53ce4dbc71669e7c6f58002eb2f7d8ce0953f030edfb53ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409973aee70b3ca53ce4dbc71669e7c6f58002eb2f7d8ce0953f030edfb53ace", kill_on_drop: false }`
[INFO] [stdout] 409973aee70b3ca53ce4dbc71669e7c6f58002eb2f7d8ce0953f030edfb53ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e99825ae22caa95e4b52d428bcf2d7b87f1bb3cfdae3555ccf9deda9766b968
[INFO] running `Command { std: "docker" "start" "-a" "1e99825ae22caa95e4b52d428bcf2d7b87f1bb3cfdae3555ccf9deda9766b968", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "1e99825ae22caa95e4b52d428bcf2d7b87f1bb3cfdae3555ccf9deda9766b968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e99825ae22caa95e4b52d428bcf2d7b87f1bb3cfdae3555ccf9deda9766b968", kill_on_drop: false }`
[INFO] [stdout] 1e99825ae22caa95e4b52d428bcf2d7b87f1bb3cfdae3555ccf9deda9766b968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7986f0bd739840980efc929bc99bec9077c8d2aa782c841da1eb38ef5f995bef
[INFO] running `Command { std: "docker" "start" "-a" "7986f0bd739840980efc929bc99bec9077c8d2aa782c841da1eb38ef5f995bef", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-ef078cec92db9f97)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-254388c66dcfbf88)
[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] [stderr]    Doc-tests sudoku
[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" "7986f0bd739840980efc929bc99bec9077c8d2aa782c841da1eb38ef5f995bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7986f0bd739840980efc929bc99bec9077c8d2aa782c841da1eb38ef5f995bef", kill_on_drop: false }`
[INFO] [stdout] 7986f0bd739840980efc929bc99bec9077c8d2aa782c841da1eb38ef5f995bef