[INFO] fetching crate tex-parser 0.1.0...
[INFO] documenting tex-parser-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tex-parser 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate tex-parser 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tex-parser 0.1.0
[INFO] finished tweaking crates.io crate tex-parser 0.1.0
[INFO] tweaked toml for crates.io crate tex-parser 0.1.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b93e505dbe01d7b568b66017517e2586fb5f4ab556efb53d0186fbdc5d6f2b65
[INFO] running `Command { std: "docker" "start" "-a" "b93e505dbe01d7b568b66017517e2586fb5f4ab556efb53d0186fbdc5d6f2b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b93e505dbe01d7b568b66017517e2586fb5f4ab556efb53d0186fbdc5d6f2b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93e505dbe01d7b568b66017517e2586fb5f4ab556efb53d0186fbdc5d6f2b65", kill_on_drop: false }`
[INFO] [stdout] b93e505dbe01d7b568b66017517e2586fb5f4ab556efb53d0186fbdc5d6f2b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0123d57d3cc3c178ebc5e1b9e4bbe1294a22801b2cf7f22b7d68cd188e2a6067
[INFO] running `Command { std: "docker" "start" "-a" "0123d57d3cc3c178ebc5e1b9e4bbe1294a22801b2cf7f22b7d68cd188e2a6067", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]  Documenting tex-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
[INFO] running `Command { std: "docker" "inspect" "0123d57d3cc3c178ebc5e1b9e4bbe1294a22801b2cf7f22b7d68cd188e2a6067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0123d57d3cc3c178ebc5e1b9e4bbe1294a22801b2cf7f22b7d68cd188e2a6067", kill_on_drop: false }`
[INFO] [stdout] 0123d57d3cc3c178ebc5e1b9e4bbe1294a22801b2cf7f22b7d68cd188e2a6067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 69b7ff770b006d437f395c74db7a4cf6e1c35e0750d198a8afcbc3909ef5b837
[INFO] running `Command { std: "docker" "start" "-a" "69b7ff770b006d437f395c74db7a4cf6e1c35e0750d198a8afcbc3909ef5b837", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]  Documenting tex-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected "["
[INFO] [stdout]    --> src/lib.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / peg::parser! {
[INFO] [stdout] 24  | |     // based on:
[INFO] [stdout] 25  | |     // https://github.com/siefkenj/latex-parser/blob/96f9bfe405008a0fd1da51dbba476e0353675090/src/grammars/latex.pegjs
[INFO] [stdout] 26  | |     grammar parser() for str {
[INFO] [stdout] ...   |
[INFO] [stdout] 468 | |     }
[INFO] [stdout] 469 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `peg::parser` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tex-parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tex_parser src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="serde"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=61dac0ed10982146 -L dependency=/opt/rustwide/target/debug/deps --extern peg=/opt/rustwide/target/debug/deps/libpeg-5286c9d4e3b90f0b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a8241bae34a0cf7.rmeta --extern-html-root-url 'peg=https://docs.rs/peg/0.6.3/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.137/' -Zunstable-options --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "69b7ff770b006d437f395c74db7a4cf6e1c35e0750d198a8afcbc3909ef5b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b7ff770b006d437f395c74db7a4cf6e1c35e0750d198a8afcbc3909ef5b837", kill_on_drop: false }`
[INFO] [stdout] 69b7ff770b006d437f395c74db7a4cf6e1c35e0750d198a8afcbc3909ef5b837