[INFO] fetching crate luminance 0.47.0...
[INFO] documenting luminance-0.47.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate luminance 0.47.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate luminance 0.47.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luminance 0.47.0
[INFO] finished tweaking crates.io crate luminance 0.47.0
[INFO] tweaked toml for crates.io crate luminance 0.47.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5b5ab84a1160c6d14302b567be10c3d68b8e3d79d94378e6babf1332a560ff9
[INFO] running `Command { std: "docker" "start" "-a" "e5b5ab84a1160c6d14302b567be10c3d68b8e3d79d94378e6babf1332a560ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5b5ab84a1160c6d14302b567be10c3d68b8e3d79d94378e6babf1332a560ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b5ab84a1160c6d14302b567be10c3d68b8e3d79d94378e6babf1332a560ff9", kill_on_drop: false }`
[INFO] [stdout] e5b5ab84a1160c6d14302b567be10c3d68b8e3d79d94378e6babf1332a560ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a70e4dc230873f2a32d413fd39a89c59dad916dd3cc536e43ad2645b75c27cc
[INFO] running `Command { std: "docker" "start" "-a" "6a70e4dc230873f2a32d413fd39a89c59dad916dd3cc536e43ad2645b75c27cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling luminance-derive v0.10.0
[INFO] [stderr]  Documenting luminance v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "6a70e4dc230873f2a32d413fd39a89c59dad916dd3cc536e43ad2645b75c27cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a70e4dc230873f2a32d413fd39a89c59dad916dd3cc536e43ad2645b75c27cc", kill_on_drop: false }`
[INFO] [stdout] 6a70e4dc230873f2a32d413fd39a89c59dad916dd3cc536e43ad2645b75c27cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] da029e83389ec4c9be78bf07e8d7686872312115c1a9e128c013b3589ffa7095
[INFO] running `Command { std: "docker" "start" "-a" "da029e83389ec4c9be78bf07e8d7686872312115c1a9e128c013b3589ffa7095", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling luminance-derive v0.10.0
[INFO] [stderr]  Documenting luminance v0.47.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.28s
[INFO] running `Command { std: "docker" "inspect" "da029e83389ec4c9be78bf07e8d7686872312115c1a9e128c013b3589ffa7095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da029e83389ec4c9be78bf07e8d7686872312115c1a9e128c013b3589ffa7095", kill_on_drop: false }`
[INFO] [stdout] da029e83389ec4c9be78bf07e8d7686872312115c1a9e128c013b3589ffa7095