[INFO] fetching crate nameless-clap 3.0.0-beta.2.2...
[INFO] documenting nameless-clap-3.0.0-beta.2.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate nameless-clap 3.0.0-beta.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nameless-clap 3.0.0-beta.2.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-1-tc1/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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.0
[INFO] [stderr]   Downloaded os_str_bytes v3.1.0
[INFO] [stderr]   Downloaded semver v1.0.12
[INFO] [stderr]   Downloaded plotters-svg v0.3.2
[INFO] [stderr]   Downloaded nameless-clap_derive v3.0.0-beta.2.2
[INFO] [stderr]   Downloaded version-sync v0.9.4
[INFO] [stderr]   Downloaded ambient-authority v0.0.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.2
[INFO] [stderr]   Downloaded io-lifetimes v0.7.2
[INFO] [stderr]   Downloaded plotters v0.3.2
[INFO] [stderr]   Downloaded rustix v0.36.3
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded rustix v0.35.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90c0a10df4ed799e362aa920901d8cef1541193e29a2203e3282d4094354def4
[INFO] running `Command { std: "docker" "start" "-a" "90c0a10df4ed799e362aa920901d8cef1541193e29a2203e3282d4094354def4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90c0a10df4ed799e362aa920901d8cef1541193e29a2203e3282d4094354def4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c0a10df4ed799e362aa920901d8cef1541193e29a2203e3282d4094354def4", kill_on_drop: false }`
[INFO] [stdout] 90c0a10df4ed799e362aa920901d8cef1541193e29a2203e3282d4094354def4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cabb2ef4e18dd2fdbb85a7301636ecc9276689fb39c2a2f4ba3fbea96de14ada
[INFO] running `Command { std: "docker" "start" "-a" "cabb2ef4e18dd2fdbb85a7301636ecc9276689fb39c2a2f4ba3fbea96de14ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[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]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking ambient-authority v0.0.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.3.3
[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 4.67s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/nameless_clap/index.html
[INFO] running `Command { std: "docker" "inspect" "cabb2ef4e18dd2fdbb85a7301636ecc9276689fb39c2a2f4ba3fbea96de14ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabb2ef4e18dd2fdbb85a7301636ecc9276689fb39c2a2f4ba3fbea96de14ada", kill_on_drop: false }`
[INFO] [stdout] cabb2ef4e18dd2fdbb85a7301636ecc9276689fb39c2a2f4ba3fbea96de14ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "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] 5e78acacc7f9f8d402b5a3655d9b66d9a14d00c0d2f5638bfd48f94e15cef19a
[INFO] running `Command { std: "docker" "start" "-a" "5e78acacc7f9f8d402b5a3655d9b66d9a14d00c0d2f5638bfd48f94e15cef19a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.18
[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: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/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=861a4eb2515082d8 -L dependency=/opt/rustwide/target/debug/deps --extern ambient_authority=/opt/rustwide/target/debug/deps/libambient_authority-a9a4dad248b983b8.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c0bd97bdb7c1fbd1.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-565dd34594fb7e7e.rmeta --extern is_terminal=/opt/rustwide/target/debug/deps/libis_terminal-a0b8265a232f1b66.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern clap_derive=/opt/rustwide/target/debug/deps/libnameless_clap_derive-c551a8dd82f68b93.so --extern os_str_bytes=/opt/rustwide/target/debug/deps/libos_str_bytes-225f95c9f430fc77.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-e637d66870437868.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-73ecffc3fe918e8b.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-051adb23d9045754.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-c178b41399ba191a.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-7292d6811eca6a33.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-411458cd4ac76b95.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" "5e78acacc7f9f8d402b5a3655d9b66d9a14d00c0d2f5638bfd48f94e15cef19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e78acacc7f9f8d402b5a3655d9b66d9a14d00c0d2f5638bfd48f94e15cef19a", kill_on_drop: false }`
[INFO] [stdout] 5e78acacc7f9f8d402b5a3655d9b66d9a14d00c0d2f5638bfd48f94e15cef19a
