[INFO] cloning repository https://github.com/1egoman/rustsweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1egoman/rustsweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1egoman%2Frustsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1egoman%2Frustsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b74fa5e0f1dc4fc5bd2a6f8b30a1ec6522b321e5
[INFO] testing 1egoman/rustsweeper against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1egoman%2Frustsweeper" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1egoman/rustsweeper on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1egoman/rustsweeper
[INFO] finished tweaking git repo https://github.com/1egoman/rustsweeper
[INFO] tweaked toml for git repo https://github.com/1egoman/rustsweeper written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/1egoman/rustsweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8d6c47e5fc32ae2234ae544e236a280601e59cf905ce345fae6a28237cd86d
[INFO] running `Command { std: "docker" "start" "-a" "8f8d6c47e5fc32ae2234ae544e236a280601e59cf905ce345fae6a28237cd86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8d6c47e5fc32ae2234ae544e236a280601e59cf905ce345fae6a28237cd86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8d6c47e5fc32ae2234ae544e236a280601e59cf905ce345fae6a28237cd86d", kill_on_drop: false }`
[INFO] [stdout] 8f8d6c47e5fc32ae2234ae544e236a280601e59cf905ce345fae6a28237cd86d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f08acb13d8f5b121a96d4fafd4d2681821affbd636ab39035e5e517da7c0491
[INFO] running `Command { std: "docker" "start" "-a" "6f08acb13d8f5b121a96d4fafd4d2681821affbd636ab39035e5e517da7c0491", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling ncurses v5.84.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.39s
[INFO] running `Command { std: "docker" "inspect" "6f08acb13d8f5b121a96d4fafd4d2681821affbd636ab39035e5e517da7c0491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f08acb13d8f5b121a96d4fafd4d2681821affbd636ab39035e5e517da7c0491", kill_on_drop: false }`
[INFO] [stdout] 6f08acb13d8f5b121a96d4fafd4d2681821affbd636ab39035e5e517da7c0491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f726c76933ec95b7aa41c6420291c9c1fe9096c431b8762aa69182a29fdf561c
[INFO] running `Command { std: "docker" "start" "-a" "f726c76933ec95b7aa41c6420291c9c1fe9096c431b8762aa69182a29fdf561c", kill_on_drop: false }`
[INFO] [stderr]    Compiling minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "f726c76933ec95b7aa41c6420291c9c1fe9096c431b8762aa69182a29fdf561c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f726c76933ec95b7aa41c6420291c9c1fe9096c431b8762aa69182a29fdf561c", kill_on_drop: false }`
[INFO] [stdout] f726c76933ec95b7aa41c6420291c9c1fe9096c431b8762aa69182a29fdf561c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 877c84d732b05f6948542c0e1e26e2feed78994aff0f2c882264ea10486d22cb
[INFO] running `Command { std: "docker" "start" "-a" "877c84d732b05f6948542c0e1e26e2feed78994aff0f2c882264ea10486d22cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minesweeper-32f9d1ed7ca587d8)
[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" "877c84d732b05f6948542c0e1e26e2feed78994aff0f2c882264ea10486d22cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877c84d732b05f6948542c0e1e26e2feed78994aff0f2c882264ea10486d22cb", kill_on_drop: false }`
[INFO] [stdout] 877c84d732b05f6948542c0e1e26e2feed78994aff0f2c882264ea10486d22cb