[INFO] fetching crate tin-summer 1.21.14...
[INFO] documenting tin-summer-1.21.14 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tin-summer 1.21.14 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate tin-summer 1.21.14 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] removed /workspace/builds/worker-22/source/.cargo/config
[INFO] started tweaking crates.io crate tin-summer 1.21.14
[INFO] finished tweaking crates.io crate tin-summer 1.21.14
[INFO] tweaked toml for crates.io crate tin-summer 1.21.14 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate tin-summer 1.21.14 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 }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 0d365863914f4cc5036e232e7b6a5109955f26dd1bae815157d3e982a00ac333
[INFO] running `Command { std: "docker" "start" "-a" "0d365863914f4cc5036e232e7b6a5109955f26dd1bae815157d3e982a00ac333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d365863914f4cc5036e232e7b6a5109955f26dd1bae815157d3e982a00ac333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d365863914f4cc5036e232e7b6a5109955f26dd1bae815157d3e982a00ac333", kill_on_drop: false }`
[INFO] [stdout] 0d365863914f4cc5036e232e7b6a5109955f26dd1bae815157d3e982a00ac333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 7056ea34f4965779ebe75349c0108ff20326547160d83fce23fbfc9124f3d64e
[INFO] running `Command { std: "docker" "start" "-a" "7056ea34f4965779ebe75349c0108ff20326547160d83fce23fbfc9124f3d64e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling memchr v2.3.4
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[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
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[INFO] [stderr]    Compiling strsim v0.8.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memchr v1.0.2
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[INFO] [stderr]    Compiling cli-setup v0.2.7
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]    Compiling tin-summer v1.21.14 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tin-summer v1.21.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `hgignore`
[INFO] [stdout]   --> src/walk_parallel/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     hgignore: Option<RegexSet>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Walk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/walk_parallel/mod.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `darcs_boring`
[INFO] [stdout]   --> src/walk_parallel/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     darcs_boring: Option<RegexSet>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Walk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/walk_parallel/mod.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `follow_symlinks`
[INFO] [stdout]   --> src/walk_parallel/mod.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     follow_symlinks: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Walk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/walk_parallel/mod.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "7056ea34f4965779ebe75349c0108ff20326547160d83fce23fbfc9124f3d64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7056ea34f4965779ebe75349c0108ff20326547160d83fce23fbfc9124f3d64e", kill_on_drop: false }`
[INFO] [stdout] 7056ea34f4965779ebe75349c0108ff20326547160d83fce23fbfc9124f3d64e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 3e2bcbca35dffab427d5f22224f2112ae4a58c4ef39a00d6fefa283d4a1760ec
[INFO] running `Command { std: "docker" "start" "-a" "3e2bcbca35dffab427d5f22224f2112ae4a58c4ef39a00d6fefa283d4a1760ec", kill_on_drop: false }`
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[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]     Checking once_cell v1.6.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking crossbeam-channel v0.3.9
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
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[INFO] [stderr]     Checking rand_os v0.1.3
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]    Compiling tin-summer v1.21.14 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tin-summer v1.21.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "3e2bcbca35dffab427d5f22224f2112ae4a58c4ef39a00d6fefa283d4a1760ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2bcbca35dffab427d5f22224f2112ae4a58c4ef39a00d6fefa283d4a1760ec", kill_on_drop: false }`
[INFO] [stdout] 3e2bcbca35dffab427d5f22224f2112ae4a58c4ef39a00d6fefa283d4a1760ec