[INFO] fetching crate rab-core 0.4.1...
[INFO] documenting rab-core-0.4.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rab-core 0.4.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rab-core 0.4.1 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 rab-core 0.4.1
[INFO] finished tweaking crates.io crate rab-core 0.4.1
[INFO] tweaked toml for crates.io crate rab-core 0.4.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rab-core 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f36b82fe25b04c263955dac3115cfba99f50dab5d5144e703818842d5040aea4
[INFO] running `Command { std: "docker" "start" "-a" "f36b82fe25b04c263955dac3115cfba99f50dab5d5144e703818842d5040aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36b82fe25b04c263955dac3115cfba99f50dab5d5144e703818842d5040aea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36b82fe25b04c263955dac3115cfba99f50dab5d5144e703818842d5040aea4", kill_on_drop: false }`
[INFO] [stdout] f36b82fe25b04c263955dac3115cfba99f50dab5d5144e703818842d5040aea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2dc9f07b8523e75ce1608dd1c42b217ad334520b4917ae80d0aa84d141cce5f5
[INFO] running `Command { std: "docker" "start" "-a" "2dc9f07b8523e75ce1608dd1c42b217ad334520b4917ae80d0aa84d141cce5f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]  Documenting rab-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: public documentation for `pre_selection_then_brute_force_search` links to private item `search_best_candidates`
[INFO] [stdout]    --> src/build_search.rs:306:13
[INFO] [stdout]     |
[INFO] [stdout] 306 | /// Calls [`search_best_candidates`] on each slice before calling [`brute_force_search_builds`]. Returns
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `pre_selection_then_brute_force_search` links to private item `brute_force_search_builds`
[INFO] [stdout]    --> src/build_search.rs:306:69
[INFO] [stdout]     |
[INFO] [stdout] 306 | /// Calls [`search_best_candidates`] on each slice before calling [`brute_force_search_builds`]. Returns
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "2dc9f07b8523e75ce1608dd1c42b217ad334520b4917ae80d0aa84d141cce5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc9f07b8523e75ce1608dd1c42b217ad334520b4917ae80d0aa84d141cce5f5", kill_on_drop: false }`
[INFO] [stdout] 2dc9f07b8523e75ce1608dd1c42b217ad334520b4917ae80d0aa84d141cce5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 352943c82399604923bd6e9f340f717e0bdc659c4445ea81a72924b7c1367905
[INFO] running `Command { std: "docker" "start" "-a" "352943c82399604923bd6e9f340f717e0bdc659c4445ea81a72924b7c1367905", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]  Documenting rab-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: public documentation for `pre_selection_then_brute_force_search` links to private item `search_best_candidates`
[INFO] [stdout]    --> src/build_search.rs:306:13
[INFO] [stdout]     |
[INFO] [stdout] 306 | /// Calls [`search_best_candidates`] on each slice before calling [`brute_force_search_builds`]. Returns
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `pre_selection_then_brute_force_search` links to private item `brute_force_search_builds`
[INFO] [stdout]    --> src/build_search.rs:306:69
[INFO] [stdout]     |
[INFO] [stdout] 306 | /// Calls [`search_best_candidates`] on each slice before calling [`brute_force_search_builds`]. Returns
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ this item is private
[INFO] [stdout]     |
[INFO] [stdout]     = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.43s
[INFO] running `Command { std: "docker" "inspect" "352943c82399604923bd6e9f340f717e0bdc659c4445ea81a72924b7c1367905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352943c82399604923bd6e9f340f717e0bdc659c4445ea81a72924b7c1367905", kill_on_drop: false }`
[INFO] [stdout] 352943c82399604923bd6e9f340f717e0bdc659c4445ea81a72924b7c1367905