[INFO] fetching crate fabric-support-procedural-tools 2.0.1...
[INFO] documenting fabric-support-procedural-tools-2.0.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate fabric-support-procedural-tools 2.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fabric-support-procedural-tools 2.0.1 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 fabric-support-procedural-tools 2.0.1
[INFO] finished tweaking crates.io crate fabric-support-procedural-tools 2.0.1
[INFO] tweaked toml for crates.io crate fabric-support-procedural-tools 2.0.1 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]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 3308d990e239c9f2d45161a340ca7b8713cb1ae51453c59e2d346db590d0826d
[INFO] running `Command { std: "docker" "start" "-a" "3308d990e239c9f2d45161a340ca7b8713cb1ae51453c59e2d346db590d0826d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3308d990e239c9f2d45161a340ca7b8713cb1ae51453c59e2d346db590d0826d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3308d990e239c9f2d45161a340ca7b8713cb1ae51453c59e2d346db590d0826d", kill_on_drop: false }`
[INFO] [stdout] 3308d990e239c9f2d45161a340ca7b8713cb1ae51453c59e2d346db590d0826d
[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] 20c305b25d9a8c53afe6e4e9f3246c567f47fa5cddf987cf674ce25482e44388
[INFO] running `Command { std: "docker" "start" "-a" "20c305b25d9a8c53afe6e4e9f3246c567f47fa5cddf987cf674ce25482e44388", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling fabric-support-procedural-tools-derive v2.0.1
[INFO] [stderr]  Documenting fabric-support-procedural-tools v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> src/syn_ext.rs:47:53
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                                                                 ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::__private::parse_braces(input)?;
[INFO] [stdout]     |                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> src/syn_ext.rs:47:14
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                          ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 71  | groups_impl!(Braces, Brace, Brace, parse_braces);
[INFO] [stdout]     |              ------ struct `Braces` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> src/syn_ext.rs:47:53
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                                                                 ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::__private::parse_brackets(input)?;
[INFO] [stdout]     |                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> src/syn_ext.rs:47:14
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                          ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 72  | groups_impl!(Brackets, Bracket, Bracket, parse_brackets);
[INFO] [stdout]     |              -------- struct `Brackets` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> src/syn_ext.rs:47:53
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                                                                 ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::__private::parse_parens(input)?;
[INFO] [stdout]     |                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `group` is private
[INFO] [stdout]    --> src/syn_ext.rs:47:14
[INFO] [stdout]     |
[INFO] [stdout] 47  |                 let syn::group::$name { token, content } = syn::group::$parse(input)?;
[INFO] [stdout]     |                          ^^^^^ private module
[INFO] [stdout] ...
[INFO] [stdout] 73  | groups_impl!(Parens, Paren, Parenthesis, parse_parens);
[INFO] [stdout]     |              ------ struct `Parens` is not publicly re-exported
[INFO] [stdout]     |
[INFO] [stdout] note: the module `group` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs:308:1
[INFO] [stdout]     |
[INFO] [stdout] 308 | mod group;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fabric-support-procedural-tools`
[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 lib --crate-name fabric_support_procedural_tools src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cfebda611cebd997 -L dependency=/opt/rustwide/target/debug/deps --extern fabric_support_procedural_tools_derive=/opt/rustwide/target/debug/deps/libfabric_support_procedural_tools_derive-de24dd9c7e98d425.so --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-75c708e8507f2a03.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e4d3f1c5d694fa07.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-be6d169059f855b6.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-b7dab526118e748c.rmeta --cap-lints=warn --crate-version 2.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "20c305b25d9a8c53afe6e4e9f3246c567f47fa5cddf987cf674ce25482e44388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c305b25d9a8c53afe6e4e9f3246c567f47fa5cddf987cf674ce25482e44388", kill_on_drop: false }`
[INFO] [stdout] 20c305b25d9a8c53afe6e4e9f3246c567f47fa5cddf987cf674ce25482e44388
