[INFO] fetching crate hello_closures 0.1.0...
[INFO] documenting hello_closures-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate hello_closures 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hello_closures 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hello_closures 0.1.0
[INFO] finished tweaking crates.io crate hello_closures 0.1.0
[INFO] tweaked toml for crates.io crate hello_closures 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate hello_closures 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fbec7a46256884f68a00b034bdeaa8e9b9e48b80cf8e296e49ce865e82d23a3
[INFO] running `Command { std: "docker" "start" "-a" "4fbec7a46256884f68a00b034bdeaa8e9b9e48b80cf8e296e49ce865e82d23a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fbec7a46256884f68a00b034bdeaa8e9b9e48b80cf8e296e49ce865e82d23a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbec7a46256884f68a00b034bdeaa8e9b9e48b80cf8e296e49ce865e82d23a3", kill_on_drop: false }`
[INFO] [stdout] 4fbec7a46256884f68a00b034bdeaa8e9b9e48b80cf8e296e49ce865e82d23a3
[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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd2786720c5508ed4fe8c2c47a1de75e46edc2dd7008667e9ed7fc453cea5bd
[INFO] running `Command { std: "docker" "start" "-a" "2bd2786720c5508ed4fe8c2c47a1de75e46edc2dd7008667e9ed7fc453cea5bd", kill_on_drop: false }`
[INFO] [stderr]  Documenting hello_closures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "2bd2786720c5508ed4fe8c2c47a1de75e46edc2dd7008667e9ed7fc453cea5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd2786720c5508ed4fe8c2c47a1de75e46edc2dd7008667e9ed7fc453cea5bd", kill_on_drop: false }`
[INFO] [stdout] 2bd2786720c5508ed4fe8c2c47a1de75e46edc2dd7008667e9ed7fc453cea5bd
