[INFO] fetching crate mergable 0.43.0...
[INFO] documenting mergable-0.43.0 against master#ef324565d071c6d7e2477a195648549e33d6a465 for pr-121659-bump-pulldown-cmark
[INFO] extracting crate mergable 0.43.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mergable 0.43.0 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 mergable 0.43.0
[INFO] finished tweaking crates.io crate mergable 0.43.0
[INFO] tweaked toml for crates.io crate mergable 0.43.0 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" "+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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-derive v0.4.0
[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" "+ef324565d071c6d7e2477a195648549e33d6a465" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9612c59de4a02e9bea600eb7eda8efd928e36ab5e91f7cc9adeba8d51e77f9f2
[INFO] running `Command { std: "docker" "start" "-a" "9612c59de4a02e9bea600eb7eda8efd928e36ab5e91f7cc9adeba8d51e77f9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9612c59de4a02e9bea600eb7eda8efd928e36ab5e91f7cc9adeba8d51e77f9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9612c59de4a02e9bea600eb7eda8efd928e36ab5e91f7cc9adeba8d51e77f9f2", kill_on_drop: false }`
[INFO] [stdout] 9612c59de4a02e9bea600eb7eda8efd928e36ab5e91f7cc9adeba8d51e77f9f2
[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=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] e8fdb38003a5725d68f6b9158911c2bcb6df12f2caa3a2eb406ee5e9f087f87d
[INFO] running `Command { std: "docker" "start" "-a" "e8fdb38003a5725d68f6b9158911c2bcb6df12f2caa3a2eb406ee5e9f087f87d", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting mergable v0.43.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mergable/index.html
[INFO] running `Command { std: "docker" "inspect" "e8fdb38003a5725d68f6b9158911c2bcb6df12f2caa3a2eb406ee5e9f087f87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fdb38003a5725d68f6b9158911c2bcb6df12f2caa3a2eb406ee5e9f087f87d", kill_on_drop: false }`
[INFO] [stdout] e8fdb38003a5725d68f6b9158911c2bcb6df12f2caa3a2eb406ee5e9f087f87d
[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=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" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b70f62637550cf3d0a04bee8e53c1028ff0f0b3900b9d3c5f9b2e2cc79e42537
[INFO] running `Command { std: "docker" "start" "-a" "b70f62637550cf3d0a04bee8e53c1028ff0f0b3900b9d3c5f9b2e2cc79e42537", kill_on_drop: false }`
[INFO] [stderr]  Documenting mergable v0.43.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mergable/index.html
[INFO] running `Command { std: "docker" "inspect" "b70f62637550cf3d0a04bee8e53c1028ff0f0b3900b9d3c5f9b2e2cc79e42537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70f62637550cf3d0a04bee8e53c1028ff0f0b3900b9d3c5f9b2e2cc79e42537", kill_on_drop: false }`
[INFO] [stdout] b70f62637550cf3d0a04bee8e53c1028ff0f0b3900b9d3c5f9b2e2cc79e42537
[INFO] documenting mergable-0.43.0 against try#223112bf1ca31911a6475910c77b36bfa127d5f8 for pr-121659-bump-pulldown-cmark
[INFO] extracting crate mergable 0.43.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mergable 0.43.0 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 mergable 0.43.0
[INFO] finished tweaking crates.io crate mergable 0.43.0
[INFO] tweaked toml for crates.io crate mergable 0.43.0 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" "+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-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" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0fa93c5892e206b4190e46126db2a8fbfc0576186df70b5d635990fa4ffb39a
[INFO] running `Command { std: "docker" "start" "-a" "f0fa93c5892e206b4190e46126db2a8fbfc0576186df70b5d635990fa4ffb39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0fa93c5892e206b4190e46126db2a8fbfc0576186df70b5d635990fa4ffb39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fa93c5892e206b4190e46126db2a8fbfc0576186df70b5d635990fa4ffb39a", kill_on_drop: false }`
[INFO] [stdout] f0fa93c5892e206b4190e46126db2a8fbfc0576186df70b5d635990fa4ffb39a
[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=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] 09d6f512c73ad2c54a17a4b287f7ebbf7249b8022e9c1b81ab2959e8972f062b
[INFO] running `Command { std: "docker" "start" "-a" "09d6f512c73ad2c54a17a4b287f7ebbf7249b8022e9c1b81ab2959e8972f062b", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting mergable v0.43.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/dict.rs:142:2
[INFO] [stdout]     |
[INFO] [stdout] 142 | /      *
[INFO] [stdout] 143 | |      * Note that if the value is already in the map the two values will be *merged*. If you do not want this to occur `delete` the value ...
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: old parser sees End(Item), new sees nothing
[INFO] [stdout]     = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/dict.rs:143:73
[INFO] [stdout]     |
[INFO] [stdout] 143 |      * Note that if the value is already in the map the two values will be *merged*. If you do not want this to occur `delete` the value ...
[INFO] [stdout]     |                                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: new parser sees Start(Emphasis), old sees nothing
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]   --> src/lib.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     * There are two requirements:
[INFO] [stdout] 39 | |     * 1. No new changes from sessions started before `cutoff` will ever be seen.
[INFO] [stdout]    | |____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: old parser sees End(Item), new sees nothing
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mergable`
[INFO] running `Command { std: "docker" "inspect" "09d6f512c73ad2c54a17a4b287f7ebbf7249b8022e9c1b81ab2959e8972f062b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d6f512c73ad2c54a17a4b287f7ebbf7249b8022e9c1b81ab2959e8972f062b", kill_on_drop: false }`
[INFO] [stdout] 09d6f512c73ad2c54a17a4b287f7ebbf7249b8022e9c1b81ab2959e8972f062b