[INFO] fetching crate sul 0.0.0...
[INFO] documenting sul-0.0.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate sul 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sul 0.0.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sul 0.0.0
[INFO] finished tweaking crates.io crate sul 0.0.0
[INFO] tweaked toml for crates.io crate sul 0.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec93348ec07f36b992f0237b44004615e3b6a5c19e4d82bde628d7e64d01cd0c
[INFO] running `Command { std: "docker" "start" "-a" "ec93348ec07f36b992f0237b44004615e3b6a5c19e4d82bde628d7e64d01cd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec93348ec07f36b992f0237b44004615e3b6a5c19e4d82bde628d7e64d01cd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec93348ec07f36b992f0237b44004615e3b6a5c19e4d82bde628d7e64d01cd0c", kill_on_drop: false }`
[INFO] [stdout] ec93348ec07f36b992f0237b44004615e3b6a5c19e4d82bde628d7e64d01cd0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 960629c1fda36db1674d724ed409ebf4add2ef34e905e32b6f0b7d768e6e2d9f
[INFO] running `Command { std: "docker" "start" "-a" "960629c1fda36db1674d724ed409ebf4add2ef34e905e32b6f0b7d768e6e2d9f", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking unicode-ident v1.0.8
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking proc-macro2 v1.0.56
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking quote v1.0.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]  Documenting sul v0.0.0 (/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_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/openapi.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/openapi.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /// https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#responseObject
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#responseObject>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 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 `sul`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name sul src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=77adbdb0dc8682f2 -L dependency=/opt/rustwide/target/debug/deps --extern hyper=/opt/rustwide/target/debug/deps/libhyper-3dc140aa78115a82.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4428f0723261f03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-25938768891e3290.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-df83aed7d634f5dc.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-7fe28ee02b99a0c0.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-72effca52e7ddeb7.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "960629c1fda36db1674d724ed409ebf4add2ef34e905e32b6f0b7d768e6e2d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960629c1fda36db1674d724ed409ebf4add2ef34e905e32b6f0b7d768e6e2d9f", kill_on_drop: false }`
[INFO] [stdout] 960629c1fda36db1674d724ed409ebf4add2ef34e905e32b6f0b7d768e6e2d9f
