[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 master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvighneshbirodkar%2Fnoob_sudoku" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vighneshbirodkar/noob_sudoku on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46eed6dbb7bd3ea15fdddea7ff6bc3877d0490cc6bd71c2fd0de733f1ed54bae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "46eed6dbb7bd3ea15fdddea7ff6bc3877d0490cc6bd71c2fd0de733f1ed54bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46eed6dbb7bd3ea15fdddea7ff6bc3877d0490cc6bd71c2fd0de733f1ed54bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46eed6dbb7bd3ea15fdddea7ff6bc3877d0490cc6bd71c2fd0de733f1ed54bae", kill_on_drop: false }`
[INFO] [stdout] 46eed6dbb7bd3ea15fdddea7ff6bc3877d0490cc6bd71c2fd0de733f1ed54bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a3fc03d4ea6b52839c2bc8f5bcf216cee3c662aca3d9e053ad41e9b8dec85f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3a3fc03d4ea6b52839c2bc8f5bcf216cee3c662aca3d9e053ad41e9b8dec85f", kill_on_drop: false }`
[INFO] [stderr]     Checking noob_sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "b3a3fc03d4ea6b52839c2bc8f5bcf216cee3c662aca3d9e053ad41e9b8dec85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a3fc03d4ea6b52839c2bc8f5bcf216cee3c662aca3d9e053ad41e9b8dec85f", kill_on_drop: false }`
[INFO] [stdout] b3a3fc03d4ea6b52839c2bc8f5bcf216cee3c662aca3d9e053ad41e9b8dec85f