[INFO] fetching crate metrics-fn 0.1.1...
[INFO] documenting metrics-fn-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate metrics-fn 0.1.1 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate metrics-fn 0.1.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-fn 0.1.1
[INFO] finished tweaking crates.io crate metrics-fn 0.1.1
[INFO] tweaked toml for crates.io crate metrics-fn 0.1.1 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.13.1
[INFO] [stderr]   Downloaded metrics-fn-codegen v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8101f38e0e58a9d2a26e641c246a64c114081fd6da336149e879f1fbe0d64540
[INFO] running `Command { std: "docker" "start" "-a" "8101f38e0e58a9d2a26e641c246a64c114081fd6da336149e879f1fbe0d64540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8101f38e0e58a9d2a26e641c246a64c114081fd6da336149e879f1fbe0d64540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8101f38e0e58a9d2a26e641c246a64c114081fd6da336149e879f1fbe0d64540", kill_on_drop: false }`
[INFO] [stdout] 8101f38e0e58a9d2a26e641c246a64c114081fd6da336149e879f1fbe0d64540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78651e71e2a3634e9e6b22e26c37fc3a42bd65864b488995aa8fd4b014978bc
[INFO] running `Command { std: "docker" "start" "-a" "d78651e71e2a3634e9e6b22e26c37fc3a42bd65864b488995aa8fd4b014978bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling metrics-fn-codegen v0.1.1
[INFO] [stderr]  Documenting metrics-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `MEDIUM`
[INFO] [stdout]   --> src/lib.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | //! - **[MEDIUM]** Record type name associated with `impl`.
[INFO] [stdout]    |          ^^^^^^ no item named `MEDIUM` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `LOW`
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | //! - **[LOW]** Configurable Prometheus metrics names and buckets.
[INFO] [stdout]    |          ^^^ no item named `LOW` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "d78651e71e2a3634e9e6b22e26c37fc3a42bd65864b488995aa8fd4b014978bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78651e71e2a3634e9e6b22e26c37fc3a42bd65864b488995aa8fd4b014978bc", kill_on_drop: false }`
[INFO] [stdout] d78651e71e2a3634e9e6b22e26c37fc3a42bd65864b488995aa8fd4b014978bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 0b08ee4c6a699c955d5b7dec9450cd1b1990ad42336a06289b8e8958dd82b970
[INFO] running `Command { std: "docker" "start" "-a" "0b08ee4c6a699c955d5b7dec9450cd1b1990ad42336a06289b8e8958dd82b970", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling metrics-fn-codegen v0.1.1
[INFO] [stderr]  Documenting metrics-fn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `MEDIUM`
[INFO] [stdout]   --> src/lib.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | //! - **[MEDIUM]** Record type name associated with `impl`.
[INFO] [stdout]    |          ^^^^^^ no item named `MEDIUM` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `LOW`
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | //! - **[LOW]** Configurable Prometheus metrics names and buckets.
[INFO] [stdout]    |          ^^^ no item named `LOW` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "0b08ee4c6a699c955d5b7dec9450cd1b1990ad42336a06289b8e8958dd82b970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b08ee4c6a699c955d5b7dec9450cd1b1990ad42336a06289b8e8958dd82b970", kill_on_drop: false }`
[INFO] [stdout] 0b08ee4c6a699c955d5b7dec9450cd1b1990ad42336a06289b8e8958dd82b970