[INFO] cloning repository https://github.com/zarif-al/rustbook-ch12-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zarif-al/rustbook-ch12-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzarif-al%2Frustbook-ch12-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzarif-al%2Frustbook-ch12-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1837ccc5e607082a653ce7a228d3c4768b5e181b
[INFO] checking zarif-al/rustbook-ch12-exercise against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzarif-al%2Frustbook-ch12-exercise" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zarif-al/rustbook-ch12-exercise on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zarif-al/rustbook-ch12-exercise
[INFO] finished tweaking git repo https://github.com/zarif-al/rustbook-ch12-exercise
[INFO] tweaked toml for git repo https://github.com/zarif-al/rustbook-ch12-exercise written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zarif-al/rustbook-ch12-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed7297bb94536b2625ff3dee23e9d25fa57d6270125b5c77b0290f08b49fbd94
[INFO] running `Command { std: "docker" "start" "-a" "ed7297bb94536b2625ff3dee23e9d25fa57d6270125b5c77b0290f08b49fbd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7297bb94536b2625ff3dee23e9d25fa57d6270125b5c77b0290f08b49fbd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7297bb94536b2625ff3dee23e9d25fa57d6270125b5c77b0290f08b49fbd94", kill_on_drop: false }`
[INFO] [stdout] ed7297bb94536b2625ff3dee23e9d25fa57d6270125b5c77b0290f08b49fbd94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2206fd2beac4d26170051fec1e20333bb7b87046ec29dad7ce7841bc4e12a98a
[INFO] running `Command { std: "docker" "start" "-a" "2206fd2beac4d26170051fec1e20333bb7b87046ec29dad7ce7841bc4e12a98a", kill_on_drop: false }`
[INFO] [stderr]     Checking workspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "2206fd2beac4d26170051fec1e20333bb7b87046ec29dad7ce7841bc4e12a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2206fd2beac4d26170051fec1e20333bb7b87046ec29dad7ce7841bc4e12a98a", kill_on_drop: false }`
[INFO] [stdout] 2206fd2beac4d26170051fec1e20333bb7b87046ec29dad7ce7841bc4e12a98a