[INFO] fetching crate raui-core 0.38.4...
[INFO] documenting raui-core-0.38.4 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate raui-core 0.38.4 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate raui-core 0.38.4 on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raui-core 0.38.4
[INFO] finished tweaking crates.io crate raui-core 0.38.4
[INFO] tweaked toml for crates.io crate raui-core 0.38.4 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76221b4d33b74fe3e6eaca2980b560a53d98765c27f4d2a53bdb05acdcc04ad2
[INFO] running `Command { std: "docker" "start" "-a" "76221b4d33b74fe3e6eaca2980b560a53d98765c27f4d2a53bdb05acdcc04ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76221b4d33b74fe3e6eaca2980b560a53d98765c27f4d2a53bdb05acdcc04ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76221b4d33b74fe3e6eaca2980b560a53d98765c27f4d2a53bdb05acdcc04ad2", kill_on_drop: false }`
[INFO] [stdout] 76221b4d33b74fe3e6eaca2980b560a53d98765c27f4d2a53bdb05acdcc04ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7c2fd53e257b25fe7f2f33bcf9d3dd597918af726cc96887691c608dda41cd
[INFO] running `Command { std: "docker" "start" "-a" "2e7c2fd53e257b25fe7f2f33bcf9d3dd597918af726cc96887691c608dda41cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling raui-derive v0.38.4
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]  Documenting raui-core v0.38.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]    --> src/widget/mod.rs:486:29
[INFO] [stdout]     |
[INFO] [stdout] 486 | /// don't want to use the [`widget`] macro.
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `raui-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name raui_core src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ba903c7876292501 -L dependency=/opt/rustwide/target/debug/deps --extern raui_derive=/opt/rustwide/target/debug/deps/libraui_derive-082e271072bf4466.so --extern serde=/opt/rustwide/target/debug/deps/libserde-f714fc2831d62a4e.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-a72e8c4ee7caa258.rmeta --cap-lints=forbid --crate-version 0.38.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2e7c2fd53e257b25fe7f2f33bcf9d3dd597918af726cc96887691c608dda41cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7c2fd53e257b25fe7f2f33bcf9d3dd597918af726cc96887691c608dda41cd", kill_on_drop: false }`
[INFO] [stdout] 2e7c2fd53e257b25fe7f2f33bcf9d3dd597918af726cc96887691c608dda41cd