[INFO] fetching crate ast2str-derive 0.4.1...
[INFO] documenting ast2str-derive-0.4.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ast2str-derive 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ast2str-derive 0.4.1 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 ast2str-derive 0.4.1
[INFO] finished tweaking crates.io crate ast2str-derive 0.4.1
[INFO] tweaked toml for crates.io crate ast2str-derive 0.4.1 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d6c9ef442bc591ce5f6e952e06ea8ddc14752711e5b366511efeb4c1eaa06bf4
[INFO] running `Command { std: "docker" "start" "-a" "d6c9ef442bc591ce5f6e952e06ea8ddc14752711e5b366511efeb4c1eaa06bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c9ef442bc591ce5f6e952e06ea8ddc14752711e5b366511efeb4c1eaa06bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c9ef442bc591ce5f6e952e06ea8ddc14752711e5b366511efeb4c1eaa06bf4", kill_on_drop: false }`
[INFO] [stdout] d6c9ef442bc591ce5f6e952e06ea8ddc14752711e5b366511efeb4c1eaa06bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39d543f73abe488152380c1f2af718a2cf7065a99089c4cb0734be695addb21f
[INFO] running `Command { std: "docker" "start" "-a" "39d543f73abe488152380c1f2af718a2cf7065a99089c4cb0734be695addb21f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]  Documenting ast2str-derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder`
[INFO] [stdout]   --> src/gen.rs:13:62
[INFO] [stdout]    |
[INFO] [stdout] 13 | /// The possible field attributes that get translated into [`TreeBuilder`] methods.
[INFO] [stdout]    |                                                              ^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::field`
[INFO] [stdout]   --> src/gen.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 |     /// No configuration supplied. Translates to [`TreeBuilder::field`].
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::quoted`
[INFO] [stdout]   --> src/gen.rs:29:63
[INFO] [stdout]    |
[INFO] [stdout] 29 |     /// Wraps the field name with backtickts. Translates to [`TreeBuilder::quoted`].
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::display`
[INFO] [stdout]   --> src/gen.rs:32:72
[INFO] [stdout]    |
[INFO] [stdout] 32 |     /// Formats the field using [`std::fmt::Display`]. Translates to [`TreeBuilder::display`].
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::debug`
[INFO] [stdout]   --> src/gen.rs:35:70
[INFO] [stdout]    |
[INFO] [stdout] 35 |     /// Formats the field using [`std::fmt::Debug`]. Translates to [`TreeBuilder::debug`].
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::display`
[INFO] [stdout]   --> src/gen.rs:38:69
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /// Formats the field using the given callback. Translates to [`TreeBuilder::display`].
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder`
[INFO] [stdout]   --> src/gen.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 | /// Generates the [`TreeBuilder`] methods needed to stringify the fields.
[INFO] [stdout]    |                     ^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder`
[INFO] [stdout]    --> src/gen.rs:193:63
[INFO] [stdout]     |
[INFO] [stdout] 193 | /// Collects the field annotations required to generate the [`TreeBuilder`] API calls.
[INFO] [stdout]     |                                                               ^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:174:49
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...as adapted from snafu (https://github.com/shepmaster/snafu/blob/main/snafu-derive/src/lib.rs#L1126) by Jake Goulding.
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/shepmaster/snafu/blob/main/snafu-derive/src/lib.rs#L1126>`
[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] error: aborting due to previous error; 9 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 `ast2str-derive`
[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 ast2str_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=82ef79d34720b41e -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3889f6209a44556f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b5c91c32bf6deb64.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-82df1375c9560a74.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "39d543f73abe488152380c1f2af718a2cf7065a99089c4cb0734be695addb21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d543f73abe488152380c1f2af718a2cf7065a99089c4cb0734be695addb21f", kill_on_drop: false }`
[INFO] [stdout] 39d543f73abe488152380c1f2af718a2cf7065a99089c4cb0734be695addb21f
[INFO] documenting ast2str-derive-0.4.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ast2str-derive 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ast2str-derive 0.4.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ast2str-derive 0.4.1
[INFO] finished tweaking crates.io crate ast2str-derive 0.4.1
[INFO] tweaked toml for crates.io crate ast2str-derive 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0fded62d6cdefba31d449f4c1d18cb9c4053bcbcca69360aca9d2e80ba51f6
[INFO] running `Command { std: "docker" "start" "-a" "6c0fded62d6cdefba31d449f4c1d18cb9c4053bcbcca69360aca9d2e80ba51f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0fded62d6cdefba31d449f4c1d18cb9c4053bcbcca69360aca9d2e80ba51f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0fded62d6cdefba31d449f4c1d18cb9c4053bcbcca69360aca9d2e80ba51f6", kill_on_drop: false }`
[INFO] [stdout] 6c0fded62d6cdefba31d449f4c1d18cb9c4053bcbcca69360aca9d2e80ba51f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4f2880e711ae53bb8beb7642007db2c137961fe5f438d5009fa5df22978eb7
[INFO] running `Command { std: "docker" "start" "-a" "ca4f2880e711ae53bb8beb7642007db2c137961fe5f438d5009fa5df22978eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]  Documenting ast2str-derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder`
[INFO] [stdout]   --> src/gen.rs:13:62
[INFO] [stdout]    |
[INFO] [stdout] 13 | /// The possible field attributes that get translated into [`TreeBuilder`] methods.
[INFO] [stdout]    |                                                              ^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::field`
[INFO] [stdout]   --> src/gen.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 |     /// No configuration supplied. Translates to [`TreeBuilder::field`].
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::quoted`
[INFO] [stdout]   --> src/gen.rs:29:63
[INFO] [stdout]    |
[INFO] [stdout] 29 |     /// Wraps the field name with backtickts. Translates to [`TreeBuilder::quoted`].
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::display`
[INFO] [stdout]   --> src/gen.rs:32:72
[INFO] [stdout]    |
[INFO] [stdout] 32 |     /// Formats the field using [`std::fmt::Display`]. Translates to [`TreeBuilder::display`].
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::debug`
[INFO] [stdout]   --> src/gen.rs:35:70
[INFO] [stdout]    |
[INFO] [stdout] 35 |     /// Formats the field using [`std::fmt::Debug`]. Translates to [`TreeBuilder::debug`].
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder::display`
[INFO] [stdout]   --> src/gen.rs:38:69
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /// Formats the field using the given callback. Translates to [`TreeBuilder::display`].
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder`
[INFO] [stdout]   --> src/gen.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 | /// Generates the [`TreeBuilder`] methods needed to stringify the fields.
[INFO] [stdout]    |                     ^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TreeBuilder`
[INFO] [stdout]    --> src/gen.rs:193:63
[INFO] [stdout]     |
[INFO] [stdout] 193 | /// Collects the field annotations required to generate the [`TreeBuilder`] API calls.
[INFO] [stdout]     |                                                               ^^^^^^^^^^^ no item named `TreeBuilder` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:174:49
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...as adapted from snafu (https://github.com/shepmaster/snafu/blob/main/snafu-derive/src/lib.rs#L1126) by Jake Goulding.
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/shepmaster/snafu/blob/main/snafu-derive/src/lib.rs#L1126>`
[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] error: aborting due to 1 previous error; 9 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 `ast2str-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name ast2str_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f79c63f5b8babbc5 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d7586fc23a7202ec.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-af317973e368b4b7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-c08858159c602e75.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ca4f2880e711ae53bb8beb7642007db2c137961fe5f438d5009fa5df22978eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4f2880e711ae53bb8beb7642007db2c137961fe5f438d5009fa5df22978eb7", kill_on_drop: false }`
[INFO] [stdout] ca4f2880e711ae53bb8beb7642007db2c137961fe5f438d5009fa5df22978eb7
