[INFO] fetching crate dutree 0.2.18...
[INFO] documenting dutree-0.2.18 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dutree 0.2.18 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate dutree 0.2.18 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 dutree 0.2.18
[INFO] finished tweaking crates.io crate dutree 0.2.18
[INFO] tweaked toml for crates.io crate dutree 0.2.18 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate crates.io crate dutree 0.2.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.12
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 37cc54db2819e5ca0a5ca6e946d0a0ad0ce51c1cd1b9f65c8c2821b7d6c32a1e
[INFO] running `Command { std: "docker" "start" "-a" "37cc54db2819e5ca0a5ca6e946d0a0ad0ce51c1cd1b9f65c8c2821b7d6c32a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37cc54db2819e5ca0a5ca6e946d0a0ad0ce51c1cd1b9f65c8c2821b7d6c32a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cc54db2819e5ca0a5ca6e946d0a0ad0ce51c1cd1b9f65c8c2821b7d6c32a1e", kill_on_drop: false }`
[INFO] [stdout] 37cc54db2819e5ca0a5ca6e946d0a0ad0ce51c1cd1b9f65c8c2821b7d6c32a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 63224f9a30ea13a3fcc21c23c223c96fce56ae68ecaa05768d0b70b4ef70df2d
[INFO] running `Command { std: "docker" "start" "-a" "63224f9a30ea13a3fcc21c23c223c96fce56ae68ecaa05768d0b70b4ef70df2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]  Documenting dutree v0.2.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "63224f9a30ea13a3fcc21c23c223c96fce56ae68ecaa05768d0b70b4ef70df2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63224f9a30ea13a3fcc21c23c223c96fce56ae68ecaa05768d0b70b4ef70df2d", kill_on_drop: false }`
[INFO] [stdout] 63224f9a30ea13a3fcc21c23c223c96fce56ae68ecaa05768d0b70b4ef70df2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 9f147316912c2f5ce8d2f4205f1f67bcb8c48c43e2fd3772a798a42cee38cf6d
[INFO] running `Command { std: "docker" "start" "-a" "9f147316912c2f5ce8d2f4205f1f67bcb8c48c43e2fd3772a798a42cee38cf6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]  Documenting dutree v0.2.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "9f147316912c2f5ce8d2f4205f1f67bcb8c48c43e2fd3772a798a42cee38cf6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f147316912c2f5ce8d2f4205f1f67bcb8c48c43e2fd3772a798a42cee38cf6d", kill_on_drop: false }`
[INFO] [stdout] 9f147316912c2f5ce8d2f4205f1f67bcb8c48c43e2fd3772a798a42cee38cf6d