[INFO] cloning repository https://github.com/benbrunton/rust_minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benbrunton/rust_minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrunton%2Frust_minesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrunton%2Frust_minesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bbc1df016dc749c4e6b7dd1875cc00bca45d9b0
[INFO] testing benbrunton/rust_minesweeper against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrunton%2Frust_minesweeper" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benbrunton/rust_minesweeper 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/benbrunton/rust_minesweeper
[INFO] finished tweaking git repo https://github.com/benbrunton/rust_minesweeper
[INFO] tweaked toml for git repo https://github.com/benbrunton/rust_minesweeper written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/benbrunton/rust_minesweeper 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8caa3db85e0a0cf4e16ab72e2b86bd51fdc71ef6d9bec8ac0d591d0318961743
[INFO] running `Command { std: "docker" "start" "-a" "8caa3db85e0a0cf4e16ab72e2b86bd51fdc71ef6d9bec8ac0d591d0318961743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8caa3db85e0a0cf4e16ab72e2b86bd51fdc71ef6d9bec8ac0d591d0318961743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8caa3db85e0a0cf4e16ab72e2b86bd51fdc71ef6d9bec8ac0d591d0318961743", kill_on_drop: false }`
[INFO] [stdout] 8caa3db85e0a0cf4e16ab72e2b86bd51fdc71ef6d9bec8ac0d591d0318961743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 740f0c00b66a7ec51c770bdb4e99af68a7d3cbd59e615a3436b1efd629b9d760
[INFO] running `Command { std: "docker" "start" "-a" "740f0c00b66a7ec51c770bdb4e99af68a7d3cbd59e615a3436b1efd629b9d760", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.1
[INFO] [stderr]    Compiling mempool v0.3.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling aho-corasick v0.5.1
[INFO] [stderr]    Compiling regex v0.1.65
[INFO] [stderr]    Compiling rust-mines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "740f0c00b66a7ec51c770bdb4e99af68a7d3cbd59e615a3436b1efd629b9d760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740f0c00b66a7ec51c770bdb4e99af68a7d3cbd59e615a3436b1efd629b9d760", kill_on_drop: false }`
[INFO] [stdout] 740f0c00b66a7ec51c770bdb4e99af68a7d3cbd59e615a3436b1efd629b9d760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f27a5a4a69f5e5196b03543cd6ea38a946ec1cdb88baec63bbd805cd3ef3511e
[INFO] running `Command { std: "docker" "start" "-a" "f27a5a4a69f5e5196b03543cd6ea38a946ec1cdb88baec63bbd805cd3ef3511e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-mines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "f27a5a4a69f5e5196b03543cd6ea38a946ec1cdb88baec63bbd805cd3ef3511e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27a5a4a69f5e5196b03543cd6ea38a946ec1cdb88baec63bbd805cd3ef3511e", kill_on_drop: false }`
[INFO] [stdout] f27a5a4a69f5e5196b03543cd6ea38a946ec1cdb88baec63bbd805cd3ef3511e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3ce98da9c7cf38cb17f4bbd51f6a95dd74eafa35ba0886f4622f41d468843b57
[INFO] running `Command { std: "docker" "start" "-a" "3ce98da9c7cf38cb17f4bbd51f6a95dd74eafa35ba0886f4622f41d468843b57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_mines-4cf1099e465ecd7d)
[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" "3ce98da9c7cf38cb17f4bbd51f6a95dd74eafa35ba0886f4622f41d468843b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce98da9c7cf38cb17f4bbd51f6a95dd74eafa35ba0886f4622f41d468843b57", kill_on_drop: false }`
[INFO] [stdout] 3ce98da9c7cf38cb17f4bbd51f6a95dd74eafa35ba0886f4622f41d468843b57