[INFO] fetching crate rustup_prompt_helper 1.1.0...
[INFO] documenting rustup_prompt_helper-1.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rustup_prompt_helper 1.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate rustup_prompt_helper 1.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustup_prompt_helper 1.1.0
[INFO] finished tweaking crates.io crate rustup_prompt_helper 1.1.0
[INFO] tweaked toml for crates.io crate rustup_prompt_helper 1.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed06f71e3607e8efefaef792ba6e46224ae88f30e60ed5a6023097938c587c45
[INFO] running `Command { std: "docker" "start" "-a" "ed06f71e3607e8efefaef792ba6e46224ae88f30e60ed5a6023097938c587c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed06f71e3607e8efefaef792ba6e46224ae88f30e60ed5a6023097938c587c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed06f71e3607e8efefaef792ba6e46224ae88f30e60ed5a6023097938c587c45", kill_on_drop: false }`
[INFO] [stdout] ed06f71e3607e8efefaef792ba6e46224ae88f30e60ed5a6023097938c587c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9563e6f0c3241f6716ff04e627e73a874054dfef5971dc01dd802d4646c0964
[INFO] running `Command { std: "docker" "start" "-a" "a9563e6f0c3241f6716ff04e627e73a874054dfef5971dc01dd802d4646c0964", kill_on_drop: false }`
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]  Documenting rustup_prompt_helper v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "a9563e6f0c3241f6716ff04e627e73a874054dfef5971dc01dd802d4646c0964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9563e6f0c3241f6716ff04e627e73a874054dfef5971dc01dd802d4646c0964", kill_on_drop: false }`
[INFO] [stdout] a9563e6f0c3241f6716ff04e627e73a874054dfef5971dc01dd802d4646c0964