[INFO] fetching crate c_string 0.7.2...
[INFO] documenting c_string-0.7.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate c_string 0.7.2 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 crates.io crate c_string 0.7.2
[INFO] finished tweaking crates.io crate c_string 0.7.2
[INFO] tweaked toml for crates.io crate c_string 0.7.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3fcf89985564b9a9f530a8174c0b9bd00516f3a173d273967e48ccd449ac4e04
[INFO] running `Command { std: "docker" "start" "-a" "3fcf89985564b9a9f530a8174c0b9bd00516f3a173d273967e48ccd449ac4e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fcf89985564b9a9f530a8174c0b9bd00516f3a173d273967e48ccd449ac4e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcf89985564b9a9f530a8174c0b9bd00516f3a173d273967e48ccd449ac4e04", kill_on_drop: false }`
[INFO] [stdout] 3fcf89985564b9a9f530a8174c0b9bd00516f3a173d273967e48ccd449ac4e04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9ace8b95505c6f3e9a691e9f66a44da27f6c18e62114cbf49adf744488be4fc8
[INFO] running `Command { std: "docker" "start" "-a" "9ace8b95505c6f3e9a691e9f66a44da27f6c18e62114cbf49adf744488be4fc8", kill_on_drop: false }`
[INFO] [stderr]  Documenting c_string v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "9ace8b95505c6f3e9a691e9f66a44da27f6c18e62114cbf49adf744488be4fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ace8b95505c6f3e9a691e9f66a44da27f6c18e62114cbf49adf744488be4fc8", kill_on_drop: false }`
[INFO] [stdout] 9ace8b95505c6f3e9a691e9f66a44da27f6c18e62114cbf49adf744488be4fc8
