[INFO] fetching crate similar 2.1.0...
[INFO] documenting similar-2.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate similar 2.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate similar 2.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate similar 2.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate similar 2.1.0
[INFO] tweaked toml for crates.io crate similar 2.1.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate similar 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da7edc0ce3d6b49a21fe097d864af714c04a1bbec767421c40b51b7b28b380f2
[INFO] running `Command { std: "docker" "start" "-a" "da7edc0ce3d6b49a21fe097d864af714c04a1bbec767421c40b51b7b28b380f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da7edc0ce3d6b49a21fe097d864af714c04a1bbec767421c40b51b7b28b380f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7edc0ce3d6b49a21fe097d864af714c04a1bbec767421c40b51b7b28b380f2", kill_on_drop: false }`
[INFO] [stdout] da7edc0ce3d6b49a21fe097d864af714c04a1bbec767421c40b51b7b28b380f2
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39416ca68be11424e62b7ffbc88882c62d36a0008df82db0d42d03ee71d874f1
[INFO] running `Command { std: "docker" "start" "-a" "39416ca68be11424e62b7ffbc88882c62d36a0008df82db0d42d03ee71d874f1", kill_on_drop: false }`
[INFO] [stderr]  Documenting similar v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `InlineChange`
[INFO] [stdout]   --> src/lib.rs:67:55
[INFO] [stdout]    |
[INFO] [stdout] 67 | //! In similar this is handled on the [`Change`] or [`InlineChange`] level.  If
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ no item named `InlineChange` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `bstr`
[INFO] [stdout]    --> src/lib.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 | //!   [`bstr`] dependency.
[INFO] [stdout]     |         ^^^^ no item named `bstr` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `get_close_matches`
[INFO] [stdout]   --> src/text/utils.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | /// [`get_close_matches`].  This is based on Python's difflib approach
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ no item named `get_close_matches` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "39416ca68be11424e62b7ffbc88882c62d36a0008df82db0d42d03ee71d874f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39416ca68be11424e62b7ffbc88882c62d36a0008df82db0d42d03ee71d874f1", kill_on_drop: false }`
[INFO] [stdout] 39416ca68be11424e62b7ffbc88882c62d36a0008df82db0d42d03ee71d874f1
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 22db5fe6fd6d272b3d92730c40b1b758093aa49ff917cb04c4d61ecb3ad5ac2e
[INFO] running `Command { std: "docker" "start" "-a" "22db5fe6fd6d272b3d92730c40b1b758093aa49ff917cb04c4d61ecb3ad5ac2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]  Documenting similar v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `get_close_matches`
[INFO] [stdout]   --> src/text/utils.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | /// [`get_close_matches`].  This is based on Python's difflib approach
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ no item named `get_close_matches` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "22db5fe6fd6d272b3d92730c40b1b758093aa49ff917cb04c4d61ecb3ad5ac2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22db5fe6fd6d272b3d92730c40b1b758093aa49ff917cb04c4d61ecb3ad5ac2e", kill_on_drop: false }`
[INFO] [stdout] 22db5fe6fd6d272b3d92730c40b1b758093aa49ff917cb04c4d61ecb3ad5ac2e