[INFO] cloning repository https://github.com/yymm/rustify-random-walk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yymm/rustify-random-walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyymm%2Frustify-random-walk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyymm%2Frustify-random-walk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bd7ad046714cdbabd711611dbb0204bcee90dd2
[INFO] checking yymm/rustify-random-walk against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyymm%2Frustify-random-walk" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yymm/rustify-random-walk on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yymm/rustify-random-walk
[INFO] finished tweaking git repo https://github.com/yymm/rustify-random-walk
[INFO] tweaked toml for git repo https://github.com/yymm/rustify-random-walk written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yymm/rustify-random-walk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] debdceab59b63787147ff52092b2f0caf3f93c5d4a5e6f41dca5915c97b248ee
[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" "debdceab59b63787147ff52092b2f0caf3f93c5d4a5e6f41dca5915c97b248ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "debdceab59b63787147ff52092b2f0caf3f93c5d4a5e6f41dca5915c97b248ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debdceab59b63787147ff52092b2f0caf3f93c5d4a5e6f41dca5915c97b248ee", kill_on_drop: false }`
[INFO] [stdout] debdceab59b63787147ff52092b2f0caf3f93c5d4a5e6f41dca5915c97b248ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4c2b52fbf7451023259c60245248d11ff1bfa5ea65f8a41bfc0cdfef7e050f
[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" "4c4c2b52fbf7451023259c60245248d11ff1bfa5ea65f8a41bfc0cdfef7e050f", kill_on_drop: false }`
[INFO] [stderr]     Checking random_walk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "4c4c2b52fbf7451023259c60245248d11ff1bfa5ea65f8a41bfc0cdfef7e050f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4c2b52fbf7451023259c60245248d11ff1bfa5ea65f8a41bfc0cdfef7e050f", kill_on_drop: false }`
[INFO] [stdout] 4c4c2b52fbf7451023259c60245248d11ff1bfa5ea65f8a41bfc0cdfef7e050f