[INFO] fetching crate weight-cache 0.2.3...
[INFO] documenting weight-cache-0.2.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate weight-cache 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate weight-cache 0.2.3 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 weight-cache 0.2.3
[INFO] finished tweaking crates.io crate weight-cache 0.2.3
[INFO] tweaked toml for crates.io crate weight-cache 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c48215344d7b175b77f6c71c988f8f5a107283b75c2901e530e619d099527a2
[INFO] running `Command { std: "docker" "start" "-a" "0c48215344d7b175b77f6c71c988f8f5a107283b75c2901e530e619d099527a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c48215344d7b175b77f6c71c988f8f5a107283b75c2901e530e619d099527a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c48215344d7b175b77f6c71c988f8f5a107283b75c2901e530e619d099527a2", kill_on_drop: false }`
[INFO] [stdout] 0c48215344d7b175b77f6c71c988f8f5a107283b75c2901e530e619d099527a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c13c88e1caae94cb2ab9f5a246dda676477a55027ff8b0133d11200542de01dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c13c88e1caae94cb2ab9f5a246dda676477a55027ff8b0133d11200542de01dc", kill_on_drop: false }`
[INFO] [stderr]  Documenting weight-cache v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `prometheus::Registry`
[INFO] [stdout]   --> src/lib.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | //! [`prometheus::Registry`] with a call to [`WeightCache::register`]; set a
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ no item named `prometheus` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WeightCache::register`
[INFO] [stdout]   --> src/lib.rs:61:47
[INFO] [stdout]    |
[INFO] [stdout] 61 | //! [`prometheus::Registry`] with a call to [`WeightCache::register`]; set a
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ the struct `WeightCache` has no field or associated item named `register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WeightCache::new_with_namespace`
[INFO] [stdout]   --> src/lib.rs:62:36
[INFO] [stdout]    |
[INFO] [stdout] 62 | //! custom metric namespace with [`WeightCache::new_with_namespace`]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the struct `WeightCache` has no field or associated item named `new_with_namespace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "c13c88e1caae94cb2ab9f5a246dda676477a55027ff8b0133d11200542de01dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13c88e1caae94cb2ab9f5a246dda676477a55027ff8b0133d11200542de01dc", kill_on_drop: false }`
[INFO] [stdout] c13c88e1caae94cb2ab9f5a246dda676477a55027ff8b0133d11200542de01dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b843d6ed18a28e0b29c7a569818cdc98323948cfad061c2becd25cde89c1b15
[INFO] running `Command { std: "docker" "start" "-a" "2b843d6ed18a28e0b29c7a569818cdc98323948cfad061c2becd25cde89c1b15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]  Documenting weight-cache v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `prometheus::Registry`
[INFO] [stdout]   --> src/lib.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | //! [`prometheus::Registry`] with a call to [`WeightCache::register`]; set a
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ no item named `prometheus` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WeightCache::register`
[INFO] [stdout]   --> src/lib.rs:61:47
[INFO] [stdout]    |
[INFO] [stdout] 61 | //! [`prometheus::Registry`] with a call to [`WeightCache::register`]; set a
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ the struct `WeightCache` has no field or associated item named `register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `WeightCache::new_with_namespace`
[INFO] [stdout]   --> src/lib.rs:62:36
[INFO] [stdout]    |
[INFO] [stdout] 62 | //! custom metric namespace with [`WeightCache::new_with_namespace`]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the struct `WeightCache` has no field or associated item named `new_with_namespace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "2b843d6ed18a28e0b29c7a569818cdc98323948cfad061c2becd25cde89c1b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b843d6ed18a28e0b29c7a569818cdc98323948cfad061c2becd25cde89c1b15", kill_on_drop: false }`
[INFO] [stdout] 2b843d6ed18a28e0b29c7a569818cdc98323948cfad061c2becd25cde89c1b15