[INFO] fetching crate trackergrab 0.0.0...
[INFO] documenting trackergrab-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate trackergrab 0.0.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate trackergrab 0.0.0 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 trackergrab 0.0.0
[INFO] finished tweaking crates.io crate trackergrab 0.0.0
[INFO] tweaked toml for crates.io crate trackergrab 0.0.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate crates.io crate trackergrab 0.0.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 5474b5f1cfb87697caa2b56e7dc6395f6d6beca9bbd5654b2aba44fefe611f35
[INFO] running `Command { std: "docker" "start" "-a" "5474b5f1cfb87697caa2b56e7dc6395f6d6beca9bbd5654b2aba44fefe611f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5474b5f1cfb87697caa2b56e7dc6395f6d6beca9bbd5654b2aba44fefe611f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5474b5f1cfb87697caa2b56e7dc6395f6d6beca9bbd5654b2aba44fefe611f35", kill_on_drop: false }`
[INFO] [stdout] 5474b5f1cfb87697caa2b56e7dc6395f6d6beca9bbd5654b2aba44fefe611f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 7b828eae83ed11e13c31a12cc4b463d8b7442d2466cd1e1bf67ff9595fcb4330
[INFO] running `Command { std: "docker" "start" "-a" "7b828eae83ed11e13c31a12cc4b463d8b7442d2466cd1e1bf67ff9595fcb4330", kill_on_drop: false }`
[INFO] [stderr]  Documenting trackergrab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "7b828eae83ed11e13c31a12cc4b463d8b7442d2466cd1e1bf67ff9595fcb4330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b828eae83ed11e13c31a12cc4b463d8b7442d2466cd1e1bf67ff9595fcb4330", kill_on_drop: false }`
[INFO] [stdout] 7b828eae83ed11e13c31a12cc4b463d8b7442d2466cd1e1bf67ff9595fcb4330