[INFO] fetching crate embed-rust 0.2.0...
[INFO] documenting embed-rust-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate embed-rust 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate embed-rust 0.2.0 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] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate embed-rust 0.2.0
[INFO] finished tweaking crates.io crate embed-rust 0.2.0
[INFO] tweaked toml for crates.io crate embed-rust 0.2.0 written to /workspace/builds/worker-1-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-slash v0.2.1
[INFO] [stderr]   Downloaded sanitize-filename v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e56279779bae60b52bc07656711e5b51b34d6d3bf5fa31e616cf3eab782651bf
[INFO] running `Command { std: "docker" "start" "-a" "e56279779bae60b52bc07656711e5b51b34d6d3bf5fa31e616cf3eab782651bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e56279779bae60b52bc07656711e5b51b34d6d3bf5fa31e616cf3eab782651bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56279779bae60b52bc07656711e5b51b34d6d3bf5fa31e616cf3eab782651bf", kill_on_drop: false }`
[INFO] [stdout] e56279779bae60b52bc07656711e5b51b34d6d3bf5fa31e616cf3eab782651bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 257995f6b1cb3ae164ac846cf7ea037a43d2586a651c4379a741628d3a238b3d
[INFO] running `Command { std: "docker" "start" "-a" "257995f6b1cb3ae164ac846cf7ea037a43d2586a651c4379a741628d3a238b3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling embed-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking path-slash v0.2.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking sanitize-filename v0.5.0
[INFO] [stderr]  Documenting embed-rust v0.2.0 (/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: `embed_rust` is both a function and a macro
[INFO] [stdout]    --> src/lib.rs:104:24
[INFO] [stdout]     |
[INFO] [stdout] 104 | /// Arguments for the [embed_rust] macro.
[INFO] [stdout]     |                        ^^^^^^^^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 | /// Arguments for the [embed_rust()] macro.
[INFO] [stdout]     |                                  ++
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]     |
[INFO] [stdout] 104 | /// Arguments for the [embed_rust!] macro.
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning 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 `embed-rust`
[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=2021 --crate-type proc-macro --crate-name embed_rust src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ce77443f14cfd90c -L dependency=/opt/rustwide/target/debug/deps --extern fs2=/opt/rustwide/target/debug/deps/libfs2-6081419d4203afe1.rmeta --extern path_slash=/opt/rustwide/target/debug/deps/libpath_slash-e041ebb96d2db57e.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c49643b102b8dedc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d5144a9214085ac1.rmeta --extern sanitize_filename=/opt/rustwide/target/debug/deps/libsanitize_filename-88d62f1b9483b592.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cf3020ea371384e8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-195a5718106bc00b.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e6b7d99b6844389e.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "257995f6b1cb3ae164ac846cf7ea037a43d2586a651c4379a741628d3a238b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257995f6b1cb3ae164ac846cf7ea037a43d2586a651c4379a741628d3a238b3d", kill_on_drop: false }`
[INFO] [stdout] 257995f6b1cb3ae164ac846cf7ea037a43d2586a651c4379a741628d3a238b3d
