[INFO] fetching crate sul 0.0.0...
[INFO] documenting sul-0.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate sul 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate sul 0.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8dc5636be5a3cb591ca987ec7e3cb179587b7fd5f83ec92b71700d2653734ad
[INFO] running `Command { std: "docker" "start" "-a" "c8dc5636be5a3cb591ca987ec7e3cb179587b7fd5f83ec92b71700d2653734ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8dc5636be5a3cb591ca987ec7e3cb179587b7fd5f83ec92b71700d2653734ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dc5636be5a3cb591ca987ec7e3cb179587b7fd5f83ec92b71700d2653734ad", kill_on_drop: false }`
[INFO] [stdout] c8dc5636be5a3cb591ca987ec7e3cb179587b7fd5f83ec92b71700d2653734ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af15dd5add57f3a4a57de6104e4d896feacaf0fa31b17262a8e8761c85dd822
[INFO] running `Command { std: "docker" "start" "-a" "3af15dd5add57f3a4a57de6104e4d896feacaf0fa31b17262a8e8761c85dd822", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking serde v1.0.195
[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: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/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=6a3a6ea29e7d2278 -L dependency=/opt/rustwide/target/debug/deps --extern hyper=/opt/rustwide/target/debug/deps/libhyper-d8742c49bf7115ef.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3889f6209a44556f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b5c91c32bf6deb64.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d979113d1ae5a40c.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-6291aabeba513f9c.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-82df1375c9560a74.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3af15dd5add57f3a4a57de6104e4d896feacaf0fa31b17262a8e8761c85dd822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af15dd5add57f3a4a57de6104e4d896feacaf0fa31b17262a8e8761c85dd822", kill_on_drop: false }`
[INFO] [stdout] 3af15dd5add57f3a4a57de6104e4d896feacaf0fa31b17262a8e8761c85dd822
