[INFO] fetching crate rt-format 0.3.1...
[INFO] documenting rt-format-0.3.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rt-format 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rt-format 0.3.1 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 rt-format 0.3.1
[INFO] finished tweaking crates.io crate rt-format 0.3.1
[INFO] tweaked toml for crates.io crate rt-format 0.3.1 written to /workspace/builds/worker-7/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] [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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0896a3c926e6d8ad8c811537cde2d7d4cadc69e44916055bdb9c9d3336b7ac6c
[INFO] running `Command { std: "docker" "start" "-a" "0896a3c926e6d8ad8c811537cde2d7d4cadc69e44916055bdb9c9d3336b7ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0896a3c926e6d8ad8c811537cde2d7d4cadc69e44916055bdb9c9d3336b7ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0896a3c926e6d8ad8c811537cde2d7d4cadc69e44916055bdb9c9d3336b7ac6c", kill_on_drop: false }`
[INFO] [stdout] 0896a3c926e6d8ad8c811537cde2d7d4cadc69e44916055bdb9c9d3336b7ac6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8dd5d779eb32e38f5f56227412e5b68348bfc6b46fe303d72b3c22c5eaa47278
[INFO] running `Command { std: "docker" "start" "-a" "8dd5d779eb32e38f5f56227412e5b68348bfc6b46fe303d72b3c22c5eaa47278", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]  Documenting rt-format v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "8dd5d779eb32e38f5f56227412e5b68348bfc6b46fe303d72b3c22c5eaa47278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd5d779eb32e38f5f56227412e5b68348bfc6b46fe303d72b3c22c5eaa47278", kill_on_drop: false }`
[INFO] [stdout] 8dd5d779eb32e38f5f56227412e5b68348bfc6b46fe303d72b3c22c5eaa47278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 05255e254cd019ff0180a0f8c9d6c8343d950d724381e3b0500b3f6b6e26c735
[INFO] running `Command { std: "docker" "start" "-a" "05255e254cd019ff0180a0f8c9d6c8343d950d724381e3b0500b3f6b6e26c735", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]  Documenting rt-format v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "05255e254cd019ff0180a0f8c9d6c8343d950d724381e3b0500b3f6b6e26c735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05255e254cd019ff0180a0f8c9d6c8343d950d724381e3b0500b3f6b6e26c735", kill_on_drop: false }`
[INFO] [stdout] 05255e254cd019ff0180a0f8c9d6c8343d950d724381e3b0500b3f6b6e26c735