[INFO] fetching crate tau-engine 1.13.1...
[INFO] documenting tau-engine-1.13.1 against master#ef324565d071c6d7e2477a195648549e33d6a465 for pr-121659-bump-pulldown-cmark
[INFO] extracting crate tau-engine 1.13.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tau-engine 1.13.1 on toolchain ef324565d071c6d7e2477a195648549e33d6a465
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef324565d071c6d7e2477a195648549e33d6a465" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tau-engine 1.13.1
[INFO] finished tweaking crates.io crate tau-engine 1.13.1
[INFO] tweaked toml for crates.io crate tau-engine 1.13.1 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" "+ef324565d071c6d7e2477a195648549e33d6a465" "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" "+ef324565d071c6d7e2477a195648549e33d6a465" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ef324565d071c6d7e2477a195648549e33d6a465" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cef500b9f932ef1e25902b7e8668f704b71e4665c9822db6cfff288761bc681
[INFO] running `Command { std: "docker" "start" "-a" "6cef500b9f932ef1e25902b7e8668f704b71e4665c9822db6cfff288761bc681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cef500b9f932ef1e25902b7e8668f704b71e4665c9822db6cfff288761bc681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cef500b9f932ef1e25902b7e8668f704b71e4665c9822db6cfff288761bc681", kill_on_drop: false }`
[INFO] [stdout] 6cef500b9f932ef1e25902b7e8668f704b71e4665c9822db6cfff288761bc681
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ef324565d071c6d7e2477a195648549e33d6a465" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b2ec16acb9cff0e9b430bfab00568eec28e6fb5ec23168cd4fa1a6193c022f7
[INFO] running `Command { std: "docker" "start" "-a" "0b2ec16acb9cff0e9b430bfab00568eec28e6fb5ec23168cd4fa1a6193c022f7", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]  Documenting tau-engine v1.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | //! [`Document`](Document) trait.
[INFO] [stdout]    |      ----------  ^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |      |
[INFO] [stdout]    |      because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 73 | //! [`Document`] trait.
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/tau_engine/index.html
[INFO] running `Command { std: "docker" "inspect" "0b2ec16acb9cff0e9b430bfab00568eec28e6fb5ec23168cd4fa1a6193c022f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2ec16acb9cff0e9b430bfab00568eec28e6fb5ec23168cd4fa1a6193c022f7", kill_on_drop: false }`
[INFO] [stdout] 0b2ec16acb9cff0e9b430bfab00568eec28e6fb5ec23168cd4fa1a6193c022f7
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ef324565d071c6d7e2477a195648549e33d6a465" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "json" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe43bf74f02ac738c2bec3bdc185c199c85a3751570cb0b0eb9fc2f874db93f9
[INFO] running `Command { std: "docker" "start" "-a" "fe43bf74f02ac738c2bec3bdc185c199c85a3751570cb0b0eb9fc2f874db93f9", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]  Documenting tau-engine v1.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | //! [`Document`](Document) trait.
[INFO] [stdout]    |      ----------  ^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |      |
[INFO] [stdout]    |      because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 73 | //! [`Document`] trait.
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/tau_engine/index.html
[INFO] running `Command { std: "docker" "inspect" "fe43bf74f02ac738c2bec3bdc185c199c85a3751570cb0b0eb9fc2f874db93f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe43bf74f02ac738c2bec3bdc185c199c85a3751570cb0b0eb9fc2f874db93f9", kill_on_drop: false }`
[INFO] [stdout] fe43bf74f02ac738c2bec3bdc185c199c85a3751570cb0b0eb9fc2f874db93f9
[INFO] documenting tau-engine-1.13.1 against try#223112bf1ca31911a6475910c77b36bfa127d5f8 for pr-121659-bump-pulldown-cmark
[INFO] extracting crate tau-engine 1.13.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tau-engine 1.13.1 on toolchain 223112bf1ca31911a6475910c77b36bfa127d5f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tau-engine 1.13.1
[INFO] finished tweaking crates.io crate tau-engine 1.13.1
[INFO] tweaked toml for crates.io crate tau-engine 1.13.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "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" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "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" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44945e91b3a73ea6f4a10b6c75d2e3ddce16faf002e6d107e9c455960f139afc
[INFO] running `Command { std: "docker" "start" "-a" "44945e91b3a73ea6f4a10b6c75d2e3ddce16faf002e6d107e9c455960f139afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44945e91b3a73ea6f4a10b6c75d2e3ddce16faf002e6d107e9c455960f139afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44945e91b3a73ea6f4a10b6c75d2e3ddce16faf002e6d107e9c455960f139afc", kill_on_drop: false }`
[INFO] [stdout] 44945e91b3a73ea6f4a10b6c75d2e3ddce16faf002e6d107e9c455960f139afc
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4cb4eda7bab14498d1ef4ec9b5aba2cc6550ae55a4add05fb259e4ad27ae51
[INFO] running `Command { std: "docker" "start" "-a" "7e4cb4eda7bab14498d1ef4ec9b5aba2cc6550ae55a4add05fb259e4ad27ae51", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]  Documenting tau-engine v1.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | //! [`Document`](Document) trait.
[INFO] [stdout]    |      ----------  ^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |      |
[INFO] [stdout]    |      because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 73 | //! [`Document`] trait.
[INFO] [stdout]    |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/tokeniser.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |   /// | Match | Description |
[INFO] [stdout]     |  _____^
[INFO] [stdout] 139 | | /// |---|---|
[INFO] [stdout] 140 | | /// | '-', '0-9' | Integers |
[INFO] [stdout] 141 | | /// | 'a-z', 'A-Z' | Keywords & Identifiers |
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | | /// Where keywords are:
[INFO] [stdout] 147 | | /// - all
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: old parser sees Start(Paragraph), new sees Start(Table([None, None]))
[INFO] [stdout]     = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/tokeniser.rs:138:6
[INFO] [stdout]     |
[INFO] [stdout] 138 | /// | Match | Description |
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: new parser sees Start(TableCell), old sees nothing
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/tokeniser.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |   /// | '-', '0-9' | Integers |
[INFO] [stdout]     |  _____^
[INFO] [stdout] 141 | | /// | 'a-z', 'A-Z' | Keywords & Identifiers |
[INFO] [stdout] 142 | | /// | ' ', '\x09'-'\x0d' | Whitespace |
[INFO] [stdout] 143 | | /// | '=', '==', '>', '>=', '<', '<=' | Booleans |
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | | /// - int
[INFO] [stdout] 150 | | /// - not
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: old parser sees Start(Item), new sees Start(TableRow)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/tokeniser.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |   /// | 'a-z', 'A-Z' | Keywords & Identifiers |
[INFO] [stdout]     |  _____^
[INFO] [stdout] 142 | | /// | ' ', '\x09'-'\x0d' | Whitespace |
[INFO] [stdout] 143 | | /// | '=', '==', '>', '>=', '<', '<=' | Booleans |
[INFO] [stdout] 144 | | /// | ',', '(', ')' | Miscellaneous |
[INFO] [stdout] ...   |
[INFO] [stdout] 152 | | /// - or
[INFO] [stdout] 153 | | /// - str
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: old parser sees Start(Item), new sees Start(TableRow)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tau-engine`
[INFO] running `Command { std: "docker" "inspect" "7e4cb4eda7bab14498d1ef4ec9b5aba2cc6550ae55a4add05fb259e4ad27ae51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4cb4eda7bab14498d1ef4ec9b5aba2cc6550ae55a4add05fb259e4ad27ae51", kill_on_drop: false }`
[INFO] [stdout] 7e4cb4eda7bab14498d1ef4ec9b5aba2cc6550ae55a4add05fb259e4ad27ae51