[INFO] fetching crate pipe 0.4.0...
[INFO] documenting pipe-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate pipe 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate pipe 0.4.0 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 pipe 0.4.0
[INFO] finished tweaking crates.io crate pipe 0.4.0
[INFO] tweaked toml for crates.io crate pipe 0.4.0 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bd59d3f98b207075997c72541a01777c0bae85f2f99ac2e18f56c73fed440a89
[INFO] running `Command { std: "docker" "start" "-a" "bd59d3f98b207075997c72541a01777c0bae85f2f99ac2e18f56c73fed440a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd59d3f98b207075997c72541a01777c0bae85f2f99ac2e18f56c73fed440a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd59d3f98b207075997c72541a01777c0bae85f2f99ac2e18f56c73fed440a89", kill_on_drop: false }`
[INFO] [stdout] bd59d3f98b207075997c72541a01777c0bae85f2f99ac2e18f56c73fed440a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c1cbd2d78c71c56b9b9745cc2991ca5843e46b658ac4c9e64eadd9b1011ea0e9
[INFO] running `Command { std: "docker" "start" "-a" "c1cbd2d78c71c56b9b9745cc2991ca5843e46b658ac4c9e64eadd9b1011ea0e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]  Documenting pipe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "c1cbd2d78c71c56b9b9745cc2991ca5843e46b658ac4c9e64eadd9b1011ea0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cbd2d78c71c56b9b9745cc2991ca5843e46b658ac4c9e64eadd9b1011ea0e9", kill_on_drop: false }`
[INFO] [stdout] c1cbd2d78c71c56b9b9745cc2991ca5843e46b658ac4c9e64eadd9b1011ea0e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "bidirectional unstable-doc-cfg" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 14574a8cc5455350444a82124a6876ebbdb957d5f9471e50d651b28c4817fe3e
[INFO] running `Command { std: "docker" "start" "-a" "14574a8cc5455350444a82124a6876ebbdb957d5f9471e50d651b28c4817fe3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking readwrite v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]  Documenting pipe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "14574a8cc5455350444a82124a6876ebbdb957d5f9471e50d651b28c4817fe3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14574a8cc5455350444a82124a6876ebbdb957d5f9471e50d651b28c4817fe3e", kill_on_drop: false }`
[INFO] [stdout] 14574a8cc5455350444a82124a6876ebbdb957d5f9471e50d651b28c4817fe3e