[INFO] cloning repository https://github.com/Aamir-Hanif/Intro-to-RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aamir-Hanif/Intro-to-RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAamir-Hanif%2FIntro-to-RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAamir-Hanif%2FIntro-to-RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50b8de3c1cca4d8fc56644472e24d473fa03bdf9
[INFO] documenting Aamir-Hanif/Intro-to-RUST against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAamir-Hanif%2FIntro-to-RUST" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aamir-Hanif/Intro-to-RUST on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aamir-Hanif/Intro-to-RUST
[INFO] finished tweaking git repo https://github.com/Aamir-Hanif/Intro-to-RUST
[INFO] tweaked toml for git repo https://github.com/Aamir-Hanif/Intro-to-RUST written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Aamir-Hanif/Intro-to-RUST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ea816095eccae8e4b4f8a0a73b5c71590e822b3ff72a0fb2c88ef59f67aec91
[INFO] running `Command { std: "docker" "start" "-a" "1ea816095eccae8e4b4f8a0a73b5c71590e822b3ff72a0fb2c88ef59f67aec91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea816095eccae8e4b4f8a0a73b5c71590e822b3ff72a0fb2c88ef59f67aec91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea816095eccae8e4b4f8a0a73b5c71590e822b3ff72a0fb2c88ef59f67aec91", kill_on_drop: false }`
[INFO] [stdout] 1ea816095eccae8e4b4f8a0a73b5c71590e822b3ff72a0fb2c88ef59f67aec91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5172bb2425bd9c586b516b86003912758fe722a69cc918f8a4a8b2c4d9c16fe9
[INFO] running `Command { std: "docker" "start" "-a" "5172bb2425bd9c586b516b86003912758fe722a69cc918f8a4a8b2c4d9c16fe9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting assignment_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "5172bb2425bd9c586b516b86003912758fe722a69cc918f8a4a8b2c4d9c16fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5172bb2425bd9c586b516b86003912758fe722a69cc918f8a4a8b2c4d9c16fe9", kill_on_drop: false }`
[INFO] [stdout] 5172bb2425bd9c586b516b86003912758fe722a69cc918f8a4a8b2c4d9c16fe9