[INFO] fetching crate cyclic_data_types 0.2.3...
[INFO] documenting cyclic_data_types-0.2.3 against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] extracting crate cyclic_data_types 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cyclic_data_types 0.2.3 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cyclic_data_types 0.2.3
[INFO] finished tweaking crates.io crate cyclic_data_types 0.2.3
[INFO] tweaked toml for crates.io crate cyclic_data_types 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding arraydeque v0.4.5 (available: v0.5.1)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding ringbuffer v0.11.1 (available: v0.15.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7305f3a7ff05ba15e9c95f1da11be1e0531bc7c273389ef4632d064752ad85b5
[INFO] running `Command { std: "docker" "start" "-a" "7305f3a7ff05ba15e9c95f1da11be1e0531bc7c273389ef4632d064752ad85b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7305f3a7ff05ba15e9c95f1da11be1e0531bc7c273389ef4632d064752ad85b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7305f3a7ff05ba15e9c95f1da11be1e0531bc7c273389ef4632d064752ad85b5", kill_on_drop: false }`
[INFO] [stdout] 7305f3a7ff05ba15e9c95f1da11be1e0531bc7c273389ef4632d064752ad85b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ade4db150bc04c434b4283cd105cf306a554d1b3e3ca104022a41c16394e8a
[INFO] running `Command { std: "docker" "start" "-a" "28ade4db150bc04c434b4283cd105cf306a554d1b3e3ca104022a41c16394e8a", kill_on_drop: false }`
[INFO] [stderr]  Documenting cyclic_data_types v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(missing_doc_code_examples)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `rustdoc::missing_doc_code_examples`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(missing_doc_code_examples)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `rustdoc::missing_doc_code_examples` lint is unstable
[INFO] [stdout]   = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Stack`
[INFO] [stdout]   --> src/../README.md:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 | It is recommended to use [`Vec`] over [`Stack`] for most applications. As [`Vec`] has better - if not similar performance to the [`Stack`...
[INFO] [stdout]    |                                         ^^^^^ no item named `Stack` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Stack`
[INFO] [stdout]   --> src/../README.md:25:132
[INFO] [stdout]    |
[INFO] [stdout] 25 | ...has better - if not similar performance to the [`Stack`]. It is therefore, [`Stack`] should only be used when the stack should strictl...
[INFO] [stdout]    |                                                     ^^^^^ no item named `Stack` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cyclic_data_types`
[INFO] running `Command { std: "docker" "inspect" "28ade4db150bc04c434b4283cd105cf306a554d1b3e3ca104022a41c16394e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ade4db150bc04c434b4283cd105cf306a554d1b3e3ca104022a41c16394e8a", kill_on_drop: false }`
[INFO] [stdout] 28ade4db150bc04c434b4283cd105cf306a554d1b3e3ca104022a41c16394e8a