[INFO] fetching crate nameless-clap 3.0.0-beta.2.2...
[INFO] documenting nameless-clap-3.0.0-beta.2.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate nameless-clap 3.0.0-beta.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate nameless-clap 3.0.0-beta.2.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nameless-clap 3.0.0-beta.2.2
[INFO] finished tweaking crates.io crate nameless-clap 3.0.0-beta.2.2
[INFO] tweaked toml for crates.io crate nameless-clap 3.0.0-beta.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate nameless-clap 3.0.0-beta.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.5
[INFO] [stderr]   Downloaded ambient-authority v0.0.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.9
[INFO] [stderr]   Downloaded io-lifetimes v1.0.2
[INFO] [stderr]   Downloaded os_str_bytes v3.1.0
[INFO] [stderr]   Downloaded nameless-clap_derive v3.0.0-beta.2.2
[INFO] [stderr]   Downloaded plotters v0.3.2
[INFO] [stderr]   Downloaded io-lifetimes v0.7.2
[INFO] [stderr]   Downloaded rustix v0.35.7
[INFO] [stderr]   Downloaded semver v1.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d38353f058443e1ee73edfd914e22aaab62c2830c6c6e2e2a61a4e9fc3c6329d
[INFO] running `Command { std: "docker" "start" "-a" "d38353f058443e1ee73edfd914e22aaab62c2830c6c6e2e2a61a4e9fc3c6329d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d38353f058443e1ee73edfd914e22aaab62c2830c6c6e2e2a61a4e9fc3c6329d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38353f058443e1ee73edfd914e22aaab62c2830c6c6e2e2a61a4e9fc3c6329d", kill_on_drop: false }`
[INFO] [stdout] d38353f058443e1ee73edfd914e22aaab62c2830c6c6e2e2a61a4e9fc3c6329d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd364aa81a4691ef13f67f9f4c721c8ef9f3cbea64c52983315f66b3cdec5b2
[INFO] running `Command { std: "docker" "start" "-a" "abd364aa81a4691ef13f67f9f4c721c8ef9f3cbea64c52983315f66b3cdec5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling io-lifetimes v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ambient-authority v0.0.1
[INFO] [stderr]     Checking is-terminal v0.4.0
[INFO] [stderr]    Compiling nameless-clap_derive v3.0.0-beta.2.2
[INFO] [stderr]  Documenting nameless-clap v3.0.0-beta.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `ErrorKind`
[INFO] [stdout]    --> src/parse/matches/arg_matches.rs:501:5
[INFO] [stdout]     |
[INFO] [stdout] 501 | /     /// Gets the value of a specific argument (i.e. an argument that takes an additional
[INFO] [stdout] 502 | |     /// value at runtime) and then converts it into the result type using `parse`, which takes
[INFO] [stdout] 503 | |     /// the OS version of the string value of the argument.
[INFO] [stdout] 504 | |     ///
[INFO] [stdout] ...   |
[INFO] [stdout] 528 | |     /// [`String`]: https://doc.rust-lang.org/std/string/struct.String.html
[INFO] [stdout] 529 | |     /// [`ArgMatches::parse_vec_t_os`]: ./struct.ArgMatches.html#method.parse_vec_t_os
[INFO] [stdout]     | |______________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             (such as a non-required argument). Check [`ErrorKind`] to distinguish them.
[INFO] [stdout]                                                       ^^^^^^^^^^^
[INFO] [stdout]     = note: no item named `ErrorKind` in scope
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "abd364aa81a4691ef13f67f9f4c721c8ef9f3cbea64c52983315f66b3cdec5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd364aa81a4691ef13f67f9f4c721c8ef9f3cbea64c52983315f66b3cdec5b2", kill_on_drop: false }`
[INFO] [stdout] abd364aa81a4691ef13f67f9f4c721c8ef9f3cbea64c52983315f66b3cdec5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "doc" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a534611f06ec559906f1073f5772cb04bbd04e130328e54167743cbc3885331
[INFO] running `Command { std: "docker" "start" "-a" "2a534611f06ec559906f1073f5772cb04bbd04e130328e54167743cbc3885331", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]  Documenting nameless-clap v3.0.0-beta.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "doc", feature(external_doc))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `nameless-clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name nameless_clap src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="cargo"' --cfg 'feature="clap_derive"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="doc"' --cfg 'feature="is-terminal"' --cfg 'feature="lazy_static"' --cfg 'feature="regex"' --cfg 'feature="std"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="termcolor"' --cfg 'feature="unicode_help"' --cfg 'feature="yaml"' --cfg 'feature="yaml-rust"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=706ab94dd1a2b06a -L dependency=/opt/rustwide/target/debug/deps --extern ambient_authority=/opt/rustwide/target/debug/deps/libambient_authority-db1114ac77b5d7c6.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-885ae3214f28c119.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-1683406f548c401f.rmeta --extern is_terminal=/opt/rustwide/target/debug/deps/libis_terminal-2cc249520bc92097.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern clap_derive=/opt/rustwide/target/debug/deps/libnameless_clap_derive-a4c55f190bdaa3b1.so --extern os_str_bytes=/opt/rustwide/target/debug/deps/libos_str_bytes-1bcff90ca7c085a7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-359b091ed7114b4a.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-d674e252a935d6de.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-f3aefc78f56b07ef.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-54a6ae9cad458220.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-a2d0e0c2c6d7c202.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-7eb7e5863162eefc.rmeta --extern-html-root-url 'ambient_authority=https://docs.rs/ambient-authority/0.0.1/' --extern-html-root-url 'bitflags=https://docs.rs/bitflags/1.3.2/' --extern-html-root-url 'indexmap=https://docs.rs/indexmap/1.9.1/' --extern-html-root-url 'is_terminal=https://docs.rs/is-terminal/0.4.0/' --extern-html-root-url 'lazy_static=https://docs.rs/lazy_static/1.4.0/' --extern-html-root-url 'nameless_clap_derive=https://docs.rs/nameless-clap_derive/3.0.0-beta.2.2/' --extern-html-root-url 'os_str_bytes=https://docs.rs/os_str_bytes/3.1.0/' --extern-html-root-url 'regex=https://docs.rs/regex/1.6.0/' --extern-html-root-url 'strsim=https://docs.rs/strsim/0.10.0/' --extern-html-root-url 'termcolor=https://docs.rs/termcolor/1.1.3/' --extern-html-root-url 'textwrap=https://docs.rs/textwrap/0.14.2/' --extern-html-root-url 'vec_map=https://docs.rs/vec_map/0.8.2/' --extern-html-root-url 'yaml_rust=https://docs.rs/yaml-rust/0.4.5/' -Zunstable-options --cap-lints=warn --crate-version 3.0.0-beta.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2a534611f06ec559906f1073f5772cb04bbd04e130328e54167743cbc3885331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a534611f06ec559906f1073f5772cb04bbd04e130328e54167743cbc3885331", kill_on_drop: false }`
[INFO] [stdout] 2a534611f06ec559906f1073f5772cb04bbd04e130328e54167743cbc3885331
