[INFO] fetching crate next-gen 0.1.1...
[INFO] documenting next-gen-0.1.1 against 1.91.0 for beta-1.92-rustdoc-1
[INFO] extracting crate next-gen 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate next-gen 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate next-gen 0.1.1
[INFO] tweaked toml for crates.io crate next-gen 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate next-gen 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate next-gen 0.1.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfd1c15ff089f24af0e3a767bff2ee2d1366ada1ac8a8a934bf9bb2be703b67b
[INFO] running `Command { std: "docker" "start" "-a" "dfd1c15ff089f24af0e3a767bff2ee2d1366ada1ac8a8a934bf9bb2be703b67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd1c15ff089f24af0e3a767bff2ee2d1366ada1ac8a8a934bf9bb2be703b67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd1c15ff089f24af0e3a767bff2ee2d1366ada1ac8a8a934bf9bb2be703b67b", kill_on_drop: false }`
[INFO] [stdout] dfd1c15ff089f24af0e3a767bff2ee2d1366ada1ac8a8a934bf9bb2be703b67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bda368dc8a62e1a10c62eeb1be7e0829d299410e527ce2a71949d8ce212c6a1
[INFO] running `Command { std: "docker" "start" "-a" "9bda368dc8a62e1a10c62eeb1be7e0829d299410e527ce2a71949d8ce212c6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling next-gen-proc_macros v0.1.1
[INFO] [stderr]  Documenting next-gen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `stack_pinned`
[INFO] [stdout]    --> src/generator_fn.rs:186:55
[INFO] [stdout]     |
[INFO] [stdout] 186 | ///   - or in the _stack_, through [`stack_pinned!`][`stack_pinned`].
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ no item named `stack_pinned` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `stack_pinned` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]    --> src/generator_fn.rs:212:18
[INFO] [stdout]     |
[INFO] [stdout] 212 | /// [`mk_gen!`][`mk_gen`] is a macro that reduces the boilerplate of the above
[INFO] [stdout]     |                  ^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]    --> src/generator_fn.rs:347:11
[INFO] [stdout]     |
[INFO] [stdout] 347 |     /// [`mk_gen!`] macro.
[INFO] [stdout]     |           ^^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `stack_pinned`
[INFO] [stdout]    --> src/generator_fn.rs:363:36
[INFO] [stdout]     |
[INFO] [stdout] 363 |     /// (through [`Box::pin`] or [`stack_pinned!`]), it can be properly
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^ no item named `stack_pinned` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `stack_pinned` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]    --> src/generator_fn.rs:371:11
[INFO] [stdout]     |
[INFO] [stdout] 371 |     /// [`mk_gen!`] macro.
[INFO] [stdout]     |           ^^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]  --> src/public_macros.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// This is used by [`mk_gen`]`!` to get a pollable generator without going
[INFO] [stdout]   |                       ^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/next_gen/index.html
[INFO] running `Command { std: "docker" "inspect" "9bda368dc8a62e1a10c62eeb1be7e0829d299410e527ce2a71949d8ce212c6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bda368dc8a62e1a10c62eeb1be7e0829d299410e527ce2a71949d8ce212c6a1", kill_on_drop: false }`
[INFO] [stdout] 9bda368dc8a62e1a10c62eeb1be7e0829d299410e527ce2a71949d8ce212c6a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "nightly" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--html-before-content\", \"fix-docsrs-li-details-summary.html\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a789651ce7a148b30666ebf44000163bf1adaa530027eba8751f22e540695463
[INFO] running `Command { std: "docker" "start" "-a" "a789651ce7a148b30666ebf44000163bf1adaa530027eba8751f22e540695463", kill_on_drop: false }`
[INFO] [stderr]  Documenting next-gen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `stack_pinned`
[INFO] [stdout]    --> src/generator_fn.rs:186:55
[INFO] [stdout]     |
[INFO] [stdout] 186 | ///   - or in the _stack_, through [`stack_pinned!`][`stack_pinned`].
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ no item named `stack_pinned` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `stack_pinned` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]    --> src/generator_fn.rs:212:18
[INFO] [stdout]     |
[INFO] [stdout] 212 | /// [`mk_gen!`][`mk_gen`] is a macro that reduces the boilerplate of the above
[INFO] [stdout]     |                  ^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]    --> src/generator_fn.rs:347:11
[INFO] [stdout]     |
[INFO] [stdout] 347 |     /// [`mk_gen!`] macro.
[INFO] [stdout]     |           ^^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `stack_pinned`
[INFO] [stdout]    --> src/generator_fn.rs:363:36
[INFO] [stdout]     |
[INFO] [stdout] 363 |     /// (through [`Box::pin`] or [`stack_pinned!`]), it can be properly
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^ no item named `stack_pinned` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `stack_pinned` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]    --> src/generator_fn.rs:371:11
[INFO] [stdout]     |
[INFO] [stdout] 371 |     /// [`mk_gen!`] macro.
[INFO] [stdout]     |           ^^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `mk_gen`
[INFO] [stdout]  --> src/public_macros.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// This is used by [`mk_gen`]`!` to get a pollable generator without going
[INFO] [stdout]   |                       ^^^^^^ no item named `mk_gen` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: `macro_rules` named `mk_gen` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.md:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     ```rust ,ignore
[INFO] [stdout] 131 | |     error[E0515]: cannot return value referencing local variable `locked_elems`
[INFO] [stdout] 132 | |       --> src/lib.rs:122:5
[INFO] [stdout] 133 | |        |
[INFO] [stdout] ...   |
[INFO] [stdout] 144 | |        = help: use `.collect()` to allocate the iterator
[INFO] [stdout] 145 | |     ```
[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.md:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     ```rust ,ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[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.md:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     ```rust ,ignore
[INFO] [stdout] 174 | |     error[E0515]: cannot return value referencing local variable `locked_elems`
[INFO] [stdout] 175 | |       --> src/lib.rs:144:5
[INFO] [stdout] 176 | |        |
[INFO] [stdout] ...   |
[INFO] [stdout] 208 | |     error: aborting due to 2 previous errors
[INFO] [stdout] 209 | |     ```
[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.md:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     ```rust ,ignore
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unopened HTML tag `summary`
[INFO] [stdout]    --> src/lib.md:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     </summary>
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `details`
[INFO] [stdout]    --> src/lib.md:214:5
[INFO] [stdout]     |
[INFO] [stdout] 214 |   - <details><summary>In other cases sub-efficient workarounds may be available</summary>
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/next_gen/index.html
[INFO] running `Command { std: "docker" "inspect" "a789651ce7a148b30666ebf44000163bf1adaa530027eba8751f22e540695463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a789651ce7a148b30666ebf44000163bf1adaa530027eba8751f22e540695463", kill_on_drop: false }`
[INFO] [stdout] a789651ce7a148b30666ebf44000163bf1adaa530027eba8751f22e540695463
