[INFO] fetching crate downcast 0.10.0...
[INFO] documenting downcast-0.10.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate downcast 0.10.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate downcast 0.10.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downcast 0.10.0
[INFO] finished tweaking crates.io crate downcast 0.10.0
[INFO] tweaked toml for crates.io crate downcast 0.10.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6da80e66b8b063bd7378fb4f82fe606013545ae251108543f028c3fb35a15d4
[INFO] running `Command { std: "docker" "start" "-a" "c6da80e66b8b063bd7378fb4f82fe606013545ae251108543f028c3fb35a15d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6da80e66b8b063bd7378fb4f82fe606013545ae251108543f028c3fb35a15d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6da80e66b8b063bd7378fb4f82fe606013545ae251108543f028c3fb35a15d4", kill_on_drop: false }`
[INFO] [stdout] c6da80e66b8b063bd7378fb4f82fe606013545ae251108543f028c3fb35a15d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b68916c607c521dec205d03faf169d92df20805302f5762df1f731f688878e90
[INFO] running `Command { std: "docker" "start" "-a" "b68916c607c521dec205d03faf169d92df20805302f5762df1f731f688878e90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting downcast v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 347 |   /// ```ignore
[INFO] [stdout]     |  _____^
[INFO] [stdout] 348 | | /// /* 1st */ impl Foo {
[INFO] [stdout] 349 | | /// /* 2nd */ impl<B> Foo<B> where B: Bar {
[INFO] [stdout] 350 | | /// /* 3nd */ impl<B> Foo<Bar = B> {
[INFO] [stdout] ...   |
[INFO] [stdout] 380 | | /// }
[INFO] [stdout] 381 | | /// ```
[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/lib.rs:347:5
[INFO] [stdout]     |
[INFO] [stdout] 347 | /// ```ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout]     = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     /// https://github.com/rust-lang/rust/issues/27745
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/27745>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "b68916c607c521dec205d03faf169d92df20805302f5762df1f731f688878e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68916c607c521dec205d03faf169d92df20805302f5762df1f731f688878e90", kill_on_drop: false }`
[INFO] [stdout] b68916c607c521dec205d03faf169d92df20805302f5762df1f731f688878e90
