[INFO] cloning repository https://github.com/vighneshbirodkar/noob_sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vighneshbirodkar/noob_sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvighneshbirodkar%2Fnoob_sudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvighneshbirodkar%2Fnoob_sudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 42c4be52434fb1d4cf5666dca8bd8c6d16448633 [INFO] checking vighneshbirodkar/noob_sudoku against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvighneshbirodkar%2Fnoob_sudoku" "/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/vighneshbirodkar/noob_sudoku on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vighneshbirodkar/noob_sudoku [INFO] finished tweaking git repo https://github.com/vighneshbirodkar/noob_sudoku [INFO] tweaked toml for git repo https://github.com/vighneshbirodkar/noob_sudoku written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/vighneshbirodkar/noob_sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 104d3629730904c05e37dbe4fb221c753a9ff597bcbad551ddda7064519572ea [INFO] running `Command { std: "docker" "start" "-a" "104d3629730904c05e37dbe4fb221c753a9ff597bcbad551ddda7064519572ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "104d3629730904c05e37dbe4fb221c753a9ff597bcbad551ddda7064519572ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "104d3629730904c05e37dbe4fb221c753a9ff597bcbad551ddda7064519572ea", kill_on_drop: false }` [INFO] [stdout] 104d3629730904c05e37dbe4fb221c753a9ff597bcbad551ddda7064519572ea [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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6bd842186549274f69c84ba079a514123621aa90fb297df3ff7bf8f92b2a9ae8 [INFO] running `Command { std: "docker" "start" "-a" "6bd842186549274f69c84ba079a514123621aa90fb297df3ff7bf8f92b2a9ae8", kill_on_drop: false }` [INFO] [stderr] Checking noob_sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "6bd842186549274f69c84ba079a514123621aa90fb297df3ff7bf8f92b2a9ae8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bd842186549274f69c84ba079a514123621aa90fb297df3ff7bf8f92b2a9ae8", kill_on_drop: false }` [INFO] [stdout] 6bd842186549274f69c84ba079a514123621aa90fb297df3ff7bf8f92b2a9ae8