[INFO] fetching crate ref-cast 1.0.7...
[INFO] documenting ref-cast-1.0.7 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ref-cast 1.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ref-cast 1.0.7 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 ref-cast 1.0.7
[INFO] finished tweaking crates.io crate ref-cast 1.0.7
[INFO] tweaked toml for crates.io crate ref-cast 1.0.7 written to /workspace/builds/worker-8/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 16242bae943a478363e679fc62a12b613832bd077a1d2182ea051b6fed0c2700
[INFO] running `Command { std: "docker" "start" "-a" "16242bae943a478363e679fc62a12b613832bd077a1d2182ea051b6fed0c2700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16242bae943a478363e679fc62a12b613832bd077a1d2182ea051b6fed0c2700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16242bae943a478363e679fc62a12b613832bd077a1d2182ea051b6fed0c2700", kill_on_drop: false }`
[INFO] [stdout] 16242bae943a478363e679fc62a12b613832bd077a1d2182ea051b6fed0c2700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 84cd14d1b6c8a84bc41a37d0e6632e28a477df3a24c7077e0c66281f880fca3b
[INFO] running `Command { std: "docker" "start" "-a" "84cd14d1b6c8a84bc41a37d0e6632e28a477df3a24c7077e0c66281f880fca3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling ref-cast v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]  Documenting ref-cast v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "84cd14d1b6c8a84bc41a37d0e6632e28a477df3a24c7077e0c66281f880fca3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cd14d1b6c8a84bc41a37d0e6632e28a477df3a24c7077e0c66281f880fca3b", kill_on_drop: false }`
[INFO] [stdout] 84cd14d1b6c8a84bc41a37d0e6632e28a477df3a24c7077e0c66281f880fca3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] be47592fa866d3d36c46b9d06fb2fe031dcff7700324151003179e4b2af19bc1
[INFO] running `Command { std: "docker" "start" "-a" "be47592fa866d3d36c46b9d06fb2fe031dcff7700324151003179e4b2af19bc1", 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 ref-cast v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]  Documenting ref-cast v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "be47592fa866d3d36c46b9d06fb2fe031dcff7700324151003179e4b2af19bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be47592fa866d3d36c46b9d06fb2fe031dcff7700324151003179e4b2af19bc1", kill_on_drop: false }`
[INFO] [stdout] be47592fa866d3d36c46b9d06fb2fe031dcff7700324151003179e4b2af19bc1