[INFO] fetching crate custom_attrs 1.6.2...
[INFO] documenting custom_attrs-1.6.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate custom_attrs 1.6.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate custom_attrs 1.6.2 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 custom_attrs 1.6.2
[INFO] finished tweaking crates.io crate custom_attrs 1.6.2
[INFO] tweaked toml for crates.io crate custom_attrs 1.6.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate custom_attrs 1.6.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.80
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded basic-toml v0.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] afeebacaae5797f17d97bde326283906b4623b376525f5c3f31ed3af7e206fd3
[INFO] running `Command { std: "docker" "start" "-a" "afeebacaae5797f17d97bde326283906b4623b376525f5c3f31ed3af7e206fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afeebacaae5797f17d97bde326283906b4623b376525f5c3f31ed3af7e206fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afeebacaae5797f17d97bde326283906b4623b376525f5c3f31ed3af7e206fd3", kill_on_drop: false }`
[INFO] [stdout] afeebacaae5797f17d97bde326283906b4623b376525f5c3f31ed3af7e206fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 16ff50473bf02f766b285e73049ab92ea9d29fae0ac7fef6da5d961e8282a3d9
[INFO] running `Command { std: "docker" "start" "-a" "16ff50473bf02f766b285e73049ab92ea9d29fae0ac7fef6da5d961e8282a3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]  Documenting custom_attrs v1.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |   //! ```rust, ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 191 | | //! #[attr(
[INFO] [stdout] 192 | | //!     #[<config_name>, <config_name2> = <value>]
[INFO] [stdout] 193 | | //!     <attribute>: <type>
[INFO] [stdout] 194 | | //! ])
[INFO] [stdout] 195 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[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/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | //! ```rust, ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: mismatched closing delimiter: `]`
[INFO] [stdout]     = note: error from rustc: unexpected closing delimiter: `)`
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |   //! ```rust, ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 198 | | //! #[attr(
[INFO] [stdout] 199 | | //!     #[<config_name>]
[INFO] [stdout] 200 | | //!     #[<config_name2> = <value>]
[INFO] [stdout] 201 | | //!     <attribute>: <type>
[INFO] [stdout] 202 | | //! ])
[INFO] [stdout] 203 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[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/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | //! ```rust, ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: mismatched closing delimiter: `]`
[INFO] [stdout]     = note: error from rustc: unexpected closing delimiter: `)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:287:1
[INFO] [stdout]     |
[INFO] [stdout] 287 | / /// The main derive trait of the library.
[INFO] [stdout] 288 | | ///
[INFO] [stdout] 289 | | /// ### Attribute declaration.
[INFO] [stdout] 290 | | /// 
[INFO] [stdout] ...   |
[INFO] [stdout] 537 | | /// 
[INFO] [stdout] 538 | | /// Licensed under the MIT license.
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[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]     = note: error from rustc: mismatched closing delimiter: `]`
[INFO] [stdout]     = note: error from rustc: unexpected closing delimiter: `)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "16ff50473bf02f766b285e73049ab92ea9d29fae0ac7fef6da5d961e8282a3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ff50473bf02f766b285e73049ab92ea9d29fae0ac7fef6da5d961e8282a3d9", kill_on_drop: false }`
[INFO] [stdout] 16ff50473bf02f766b285e73049ab92ea9d29fae0ac7fef6da5d961e8282a3d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df0f6f4980339859f5fa9c89aa69af14115da5663863591c48acae762724cca6
[INFO] running `Command { std: "docker" "start" "-a" "df0f6f4980339859f5fa9c89aa69af14115da5663863591c48acae762724cca6", kill_on_drop: false }`
[INFO] [stderr]  Documenting custom_attrs v1.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |   //! ```rust, ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 191 | | //! #[attr(
[INFO] [stdout] 192 | | //!     #[<config_name>, <config_name2> = <value>]
[INFO] [stdout] 193 | | //!     <attribute>: <type>
[INFO] [stdout] 194 | | //! ])
[INFO] [stdout] 195 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[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/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | //! ```rust, ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: mismatched closing delimiter: `]`
[INFO] [stdout]     = note: error from rustc: unexpected closing delimiter: `)`
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |   //! ```rust, ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 198 | | //! #[attr(
[INFO] [stdout] 199 | | //!     #[<config_name>]
[INFO] [stdout] 200 | | //!     #[<config_name2> = <value>]
[INFO] [stdout] 201 | | //!     <attribute>: <type>
[INFO] [stdout] 202 | | //! ])
[INFO] [stdout] 203 | | //! ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[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/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | //! ```rust, ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: mismatched closing delimiter: `]`
[INFO] [stdout]     = note: error from rustc: unexpected closing delimiter: `)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:287:1
[INFO] [stdout]     |
[INFO] [stdout] 287 | / /// The main derive trait of the library.
[INFO] [stdout] 288 | | ///
[INFO] [stdout] 289 | | /// ### Attribute declaration.
[INFO] [stdout] 290 | | /// 
[INFO] [stdout] ...   |
[INFO] [stdout] 537 | | /// 
[INFO] [stdout] 538 | | /// Licensed under the MIT license.
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[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]     = note: error from rustc: mismatched closing delimiter: `]`
[INFO] [stdout]     = note: error from rustc: unexpected closing delimiter: `)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "df0f6f4980339859f5fa9c89aa69af14115da5663863591c48acae762724cca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0f6f4980339859f5fa9c89aa69af14115da5663863591c48acae762724cca6", kill_on_drop: false }`
[INFO] [stdout] df0f6f4980339859f5fa9c89aa69af14115da5663863591c48acae762724cca6
