[INFO] fetching crate typeset-parser 2.0.3...
[INFO] documenting typeset-parser-2.0.3 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate typeset-parser 2.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate typeset-parser 2.0.3 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 typeset-parser 2.0.3
[INFO] finished tweaking crates.io crate typeset-parser 2.0.3
[INFO] tweaked toml for crates.io crate typeset-parser 2.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate typeset-parser 2.0.3 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typeset v2.0.3
[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] 1be1c31443857b8726afefc042563314853371b734dbc8a9bee813111abd84d9
[INFO] running `Command { std: "docker" "start" "-a" "1be1c31443857b8726afefc042563314853371b734dbc8a9bee813111abd84d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be1c31443857b8726afefc042563314853371b734dbc8a9bee813111abd84d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be1c31443857b8726afefc042563314853371b734dbc8a9bee813111abd84d9", kill_on_drop: false }`
[INFO] [stdout] 1be1c31443857b8726afefc042563314853371b734dbc8a9bee813111abd84d9
[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] cd0ba01a68289046f64b27da2505a2a42c3b8246b0024b6de0eef3dc772054d2
[INFO] running `Command { std: "docker" "start" "-a" "cd0ba01a68289046f64b27da2505a2a42c3b8246b0024b6de0eef3dc772054d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.38
[INFO] [stderr]  Documenting typeset-parser v2.0.3 (/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_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `typeset-parser`
[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 typeset_parser src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d5615afcbfe4dad2 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5886be4aa9c6ab7f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-450984594b2574ba.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-fa46cc83c4012784.rmeta --extern proc_macro --cap-lints=warn --crate-version 2.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cd0ba01a68289046f64b27da2505a2a42c3b8246b0024b6de0eef3dc772054d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0ba01a68289046f64b27da2505a2a42c3b8246b0024b6de0eef3dc772054d2", kill_on_drop: false }`
[INFO] [stdout] cd0ba01a68289046f64b27da2505a2a42c3b8246b0024b6de0eef3dc772054d2
[INFO] documenting typeset-parser-2.0.3 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate typeset-parser 2.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate typeset-parser 2.0.3 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 typeset-parser 2.0.3
[INFO] finished tweaking crates.io crate typeset-parser 2.0.3
[INFO] tweaked toml for crates.io crate typeset-parser 2.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate typeset-parser 2.0.3 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3026ec9c70fc679a8fbcf0c476430d1f50a3e6528298fd0e1d20d736a89d53ce
[INFO] running `Command { std: "docker" "start" "-a" "3026ec9c70fc679a8fbcf0c476430d1f50a3e6528298fd0e1d20d736a89d53ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3026ec9c70fc679a8fbcf0c476430d1f50a3e6528298fd0e1d20d736a89d53ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3026ec9c70fc679a8fbcf0c476430d1f50a3e6528298fd0e1d20d736a89d53ce", kill_on_drop: false }`
[INFO] [stdout] 3026ec9c70fc679a8fbcf0c476430d1f50a3e6528298fd0e1d20d736a89d53ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 49c1023385797f616fc62df3d23ca35547aedb473135c889186da0ada6167486
[INFO] running `Command { std: "docker" "start" "-a" "49c1023385797f616fc62df3d23ca35547aedb473135c889186da0ada6167486", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.38
[INFO] [stderr]  Documenting typeset-parser v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `typeset-parser`
[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=2021 --crate-type proc-macro --crate-name typeset_parser src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f9955272e7afdcbe -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c169f50dae64dee8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-869d88225282279d.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-b9fb3c690f5af943.rmeta --extern proc_macro --cap-lints=warn --crate-version 2.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "49c1023385797f616fc62df3d23ca35547aedb473135c889186da0ada6167486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c1023385797f616fc62df3d23ca35547aedb473135c889186da0ada6167486", kill_on_drop: false }`
[INFO] [stdout] 49c1023385797f616fc62df3d23ca35547aedb473135c889186da0ada6167486
