[INFO] fetching crate fundoc 0.5.0...
[INFO] documenting fundoc-0.5.0 against 1.99.0-beta.8 for beta-rustdoc-1.100-2
[INFO] extracting crate fundoc 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fundoc 0.5.0
[INFO] finished tweaking crates.io crate fundoc 0.5.0
[INFO] tweaked toml for crates.io crate fundoc 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fundoc 0.5.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fundoc 0.5.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlua v0.19.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730
[INFO] running `Command { std: "docker" "start" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]  Documenting fundoc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/plugins.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | /         /**
[INFO] [stdout] 71 | |          * @Article Plugins
[INFO] [stdout] 72 | |          * > [note] mdBook runs Fundoc twice. The first time fundoc should exit with 0 code. The
[INFO] [stdout] 73 | |          * second time Fundoc transforms the text.
[INFO] [stdout] 74 | |          */
[INFO] [stdout]    | |___________^
[INFO] [stdout] 75 | /         if args.len() > 3 {
[INFO] [stdout] 76 | |             process::exit(0x0100);
[INFO] [stdout] 77 | |         }
[INFO] [stdout]    | |_________- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/parser.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 |       * ```rust
[INFO] [stdout]     |  _______^
[INFO] [stdout] 161 | |     * /**
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/parser.rs:174:7
[INFO] [stdout]     |
[INFO] [stdout] 174 |       * ```
[INFO] [stdout]     |  _______^
[INFO] [stdout] 175 | |     * In that case all comments from a file will be parsed in the same way if they were marked with
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 174 |     * ```text
[INFO] [stdout]     |          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/parser.rs:183:7
[INFO] [stdout]     |
[INFO] [stdout] 183 |       * ```rust
[INFO] [stdout]     |  _______^
[INFO] [stdout] 184 | |     * /**
[INFO] [stdout]     | |____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/parser.rs:198:7
[INFO] [stdout]     |
[INFO] [stdout] 198 |       * ```
[INFO] [stdout]     |  _______^
[INFO] [stdout] 199 | |     */
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 198 |     * ```text
[INFO] [stdout]     |          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.19.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fundoc/index.html
[INFO] running `Command { std: "docker" "inspect" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730", kill_on_drop: false }`
[INFO] [stdout] b135322ed3d8d5536411ea47d70bfcc335f2d4e9f1bdfc211228bd1b6a2e4730
