[INFO] cloning repository https://github.com/ian-pacheco/RustBookExampleCLP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ian-pacheco/RustBookExampleCLP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fian-pacheco%2FRustBookExampleCLP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fian-pacheco%2FRustBookExampleCLP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5db6cd83614442526f4e396cf42424c2e70c573f
[INFO] checking ian-pacheco/RustBookExampleCLP against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fian-pacheco%2FRustBookExampleCLP" "/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/ian-pacheco/RustBookExampleCLP on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ian-pacheco/RustBookExampleCLP
[INFO] finished tweaking git repo https://github.com/ian-pacheco/RustBookExampleCLP
[INFO] tweaked toml for git repo https://github.com/ian-pacheco/RustBookExampleCLP written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ian-pacheco/RustBookExampleCLP already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 083ad3f155c797fda173f387b1e40a60f59d53b2e143a92f79504351e684f924
[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" "083ad3f155c797fda173f387b1e40a60f59d53b2e143a92f79504351e684f924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083ad3f155c797fda173f387b1e40a60f59d53b2e143a92f79504351e684f924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083ad3f155c797fda173f387b1e40a60f59d53b2e143a92f79504351e684f924", kill_on_drop: false }`
[INFO] [stdout] 083ad3f155c797fda173f387b1e40a60f59d53b2e143a92f79504351e684f924
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 85ecec63cf638d9d6285c2e0d42a4aee5bb751ced39c72a43a17cf941f8bf67c
[INFO] running `Command { std: "docker" "start" "-a" "85ecec63cf638d9d6285c2e0d42a4aee5bb751ced39c72a43a17cf941f8bf67c", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "85ecec63cf638d9d6285c2e0d42a4aee5bb751ced39c72a43a17cf941f8bf67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ecec63cf638d9d6285c2e0d42a4aee5bb751ced39c72a43a17cf941f8bf67c", kill_on_drop: false }`
[INFO] [stdout] 85ecec63cf638d9d6285c2e0d42a4aee5bb751ced39c72a43a17cf941f8bf67c