[INFO] fetching crate automate-derive 0.4.0...
[INFO] documenting automate-derive-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate automate-derive 0.4.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate automate-derive 0.4.0 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 automate-derive 0.4.0
[INFO] finished tweaking crates.io crate automate-derive 0.4.0
[INFO] tweaked toml for crates.io crate automate-derive 0.4.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] aa4b0052d8a93f67d66e8730904570d64321a96e0b5fb494a05d0d25a34f9beb
[INFO] running `Command { std: "docker" "start" "-a" "aa4b0052d8a93f67d66e8730904570d64321a96e0b5fb494a05d0d25a34f9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4b0052d8a93f67d66e8730904570d64321a96e0b5fb494a05d0d25a34f9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4b0052d8a93f67d66e8730904570d64321a96e0b5fb494a05d0d25a34f9beb", kill_on_drop: false }`
[INFO] [stdout] aa4b0052d8a93f67d66e8730904570d64321a96e0b5fb494a05d0d25a34f9beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 21483e8eb1d277096aa24e262413a8b45a293d4a29a5f1c8e19d7ffd1047d0fa
[INFO] running `Command { std: "docker" "start" "-a" "21483e8eb1d277096aa24e262413a8b45a293d4a29a5f1c8e19d7ffd1047d0fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]  Documenting automate-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `automate::encode:ExtractSnowflake::extract_snowflake`
[INFO] [stdout]    --> src/attribute/endpoint.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 | /// [extract_snowflake](automate::encode:ExtractSnowflake::extract_snowflake)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `automate` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `automate::encode::WriteUrl::write_url`
[INFO] [stdout]    --> src/attribute/endpoint.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 | /// [write_url](automate::encode::WriteUrl::write_url)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `automate` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/attribute/endpoint.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 250 | | /// use automate::Error;
[INFO] [stdout] 251 | | /// use hyper::Client;
[INFO] [stdout] 252 | | /// use hyper_tls::HttpsConnector;
[INFO] [stdout] ...   |
[INFO] [stdout] 281 | | ///    }
[INFO] [stdout] 282 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/attribute/endpoint.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /// ```ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `automate-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name automate_derive src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ce70d7425f149aeb -L dependency=/opt/rustwide/target/debug/deps --extern darling=/opt/rustwide/target/debug/deps/libdarling-f4a41f15d1c1a43f.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c1d3bfa6658bd3cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e860005d80c271d.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-6005d3945ea230c4.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "21483e8eb1d277096aa24e262413a8b45a293d4a29a5f1c8e19d7ffd1047d0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21483e8eb1d277096aa24e262413a8b45a293d4a29a5f1c8e19d7ffd1047d0fa", kill_on_drop: false }`
[INFO] [stdout] 21483e8eb1d277096aa24e262413a8b45a293d4a29a5f1c8e19d7ffd1047d0fa