[INFO] cloning repository https://github.com/heron182/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heron182/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheron182%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheron182%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c0afdc25a762dfd25174b6551f997dac737bc79
[INFO] checking heron182/guessing_game against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheron182%2Fguessing_game" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heron182/guessing_game on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heron182/guessing_game
[INFO] finished tweaking git repo https://github.com/heron182/guessing_game
[INFO] tweaked toml for git repo https://github.com/heron182/guessing_game written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/heron182/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0043e64bdd6da5068652ee9a07a2eea919665007aa295485b1e3eb02573e2b
[INFO] running `Command { std: "docker" "start" "-a" "ac0043e64bdd6da5068652ee9a07a2eea919665007aa295485b1e3eb02573e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0043e64bdd6da5068652ee9a07a2eea919665007aa295485b1e3eb02573e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0043e64bdd6da5068652ee9a07a2eea919665007aa295485b1e3eb02573e2b", kill_on_drop: false }`
[INFO] [stdout] ac0043e64bdd6da5068652ee9a07a2eea919665007aa295485b1e3eb02573e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f9bee6e6c10d0937fb8276f63c368ac49eb9666ab58d0dfe3c85fb7f4088a7
[INFO] running `Command { std: "docker" "start" "-a" "12f9bee6e6c10d0937fb8276f63c368ac49eb9666ab58d0dfe3c85fb7f4088a7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "12f9bee6e6c10d0937fb8276f63c368ac49eb9666ab58d0dfe3c85fb7f4088a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f9bee6e6c10d0937fb8276f63c368ac49eb9666ab58d0dfe3c85fb7f4088a7", kill_on_drop: false }`
[INFO] [stdout] 12f9bee6e6c10d0937fb8276f63c368ac49eb9666ab58d0dfe3c85fb7f4088a7