[INFO] fetching crate ex3-ic-stable-structures 0.6.0-beta.3...
[INFO] documenting ex3-ic-stable-structures-0.6.0-beta.3 against master#ef324565d071c6d7e2477a195648549e33d6a465 for pr-121659-bump-pulldown-cmark
[INFO] extracting crate ex3-ic-stable-structures 0.6.0-beta.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ex3-ic-stable-structures 0.6.0-beta.3 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 ex3-ic-stable-structures 0.6.0-beta.3
[INFO] finished tweaking crates.io crate ex3-ic-stable-structures 0.6.0-beta.3
[INFO] tweaked toml for crates.io crate ex3-ic-stable-structures 0.6.0-beta.3 written to /workspace/builds/worker-4-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 ic0 v0.18.11
[INFO] [stderr]   Downloaded structmeta v0.2.0
[INFO] [stderr]   Downloaded candid v0.9.11
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded ic-cdk-macros v0.7.1
[INFO] [stderr]   Downloaded candid_derive v0.6.4
[INFO] [stderr]   Downloaded structmeta-derive v0.2.0
[INFO] [stderr]   Downloaded test-strategy v0.3.1
[INFO] [stderr]   Downloaded ic-cdk v0.10.0
[INFO] [stderr]   Downloaded serde_tokenstream v0.1.7
[INFO] [stderr]   Downloaded pretty v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc70a71aa20aa4184a69c624fde287f5f28aec29e8b2de8e830ac910282e7481
[INFO] running `Command { std: "docker" "start" "-a" "dc70a71aa20aa4184a69c624fde287f5f28aec29e8b2de8e830ac910282e7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc70a71aa20aa4184a69c624fde287f5f28aec29e8b2de8e830ac910282e7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc70a71aa20aa4184a69c624fde287f5f28aec29e8b2de8e830ac910282e7481", kill_on_drop: false }`
[INFO] [stdout] dc70a71aa20aa4184a69c624fde287f5f28aec29e8b2de8e830ac910282e7481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f410d51961d462fd46b2f3188e00c0ba8df97d801c14a5396be274b41f02521a
[INFO] running `Command { std: "docker" "start" "-a" "f410d51961d462fd46b2f3188e00c0ba8df97d801c14a5396be274b41f02521a", kill_on_drop: false }`
[INFO] [stderr]  Documenting ex3-ic-stable-structures v0.6.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ex3_ic_stable_structures/index.html
[INFO] running `Command { std: "docker" "inspect" "f410d51961d462fd46b2f3188e00c0ba8df97d801c14a5396be274b41f02521a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f410d51961d462fd46b2f3188e00c0ba8df97d801c14a5396be274b41f02521a", kill_on_drop: false }`
[INFO] [stdout] f410d51961d462fd46b2f3188e00c0ba8df97d801c14a5396be274b41f02521a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 26c1bad35f44d1eb250d9251625266bb4194d18705c6cee0eabfa852c57978da
[INFO] running `Command { std: "docker" "start" "-a" "26c1bad35f44d1eb250d9251625266bb4194d18705c6cee0eabfa852c57978da", kill_on_drop: false }`
[INFO] [stderr]  Documenting ex3-ic-stable-structures v0.6.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ex3_ic_stable_structures/index.html
[INFO] running `Command { std: "docker" "inspect" "26c1bad35f44d1eb250d9251625266bb4194d18705c6cee0eabfa852c57978da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c1bad35f44d1eb250d9251625266bb4194d18705c6cee0eabfa852c57978da", kill_on_drop: false }`
[INFO] [stdout] 26c1bad35f44d1eb250d9251625266bb4194d18705c6cee0eabfa852c57978da
[INFO] documenting ex3-ic-stable-structures-0.6.0-beta.3 against try#223112bf1ca31911a6475910c77b36bfa127d5f8 for pr-121659-bump-pulldown-cmark
[INFO] extracting crate ex3-ic-stable-structures 0.6.0-beta.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ex3-ic-stable-structures 0.6.0-beta.3 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 ex3-ic-stable-structures 0.6.0-beta.3
[INFO] finished tweaking crates.io crate ex3-ic-stable-structures 0.6.0-beta.3
[INFO] tweaked toml for crates.io crate ex3-ic-stable-structures 0.6.0-beta.3 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e33dd8879f4ecb252141c100f33afcd0d658e75493b9b8b62e2c8ab3976247d9
[INFO] running `Command { std: "docker" "start" "-a" "e33dd8879f4ecb252141c100f33afcd0d658e75493b9b8b62e2c8ab3976247d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e33dd8879f4ecb252141c100f33afcd0d658e75493b9b8b62e2c8ab3976247d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33dd8879f4ecb252141c100f33afcd0d658e75493b9b8b62e2c8ab3976247d9", kill_on_drop: false }`
[INFO] [stdout] e33dd8879f4ecb252141c100f33afcd0d658e75493b9b8b62e2c8ab3976247d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] de67c765b34374548ecd201c668aa3a37cac777590022b531df1040d05c5f600
[INFO] running `Command { std: "docker" "start" "-a" "de67c765b34374548ecd201c668aa3a37cac777590022b531df1040d05c5f600", kill_on_drop: false }`
[INFO] [stderr]  Documenting ex3-ic-stable-structures v0.6.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/btreemap/allocator.rs:143:34
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ///                   |__________↑        |___________↑         |____ NULL
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: old parser sees Start(Strong), new sees Start(Strong)
[INFO] [stdout]     = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unportable markdown
[INFO] [stdout]    --> src/btreemap/allocator.rs:143:36
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ///                   |__________↑        |___________↑         |____ NULL
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: old parser sees Start(Strong), new sees Start(Strong)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ex3-ic-stable-structures`
[INFO] running `Command { std: "docker" "inspect" "de67c765b34374548ecd201c668aa3a37cac777590022b531df1040d05c5f600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de67c765b34374548ecd201c668aa3a37cac777590022b531df1040d05c5f600", kill_on_drop: false }`
[INFO] [stdout] de67c765b34374548ecd201c668aa3a37cac777590022b531df1040d05c5f600