[INFO] fetching crate metrics-core 0.5.2...
[INFO] documenting metrics-core-0.5.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate metrics-core 0.5.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate metrics-core 0.5.2 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 metrics-core 0.5.2
[INFO] finished tweaking crates.io crate metrics-core 0.5.2
[INFO] tweaked toml for crates.io crate metrics-core 0.5.2 written to /workspace/builds/worker-9/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] 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-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] 4d6275f0ca92bad7faf32a88cad6da1221a1ef8c8994b8b4b157d247f152fc73
[INFO] running `Command { std: "docker" "start" "-a" "4d6275f0ca92bad7faf32a88cad6da1221a1ef8c8994b8b4b157d247f152fc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6275f0ca92bad7faf32a88cad6da1221a1ef8c8994b8b4b157d247f152fc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6275f0ca92bad7faf32a88cad6da1221a1ef8c8994b8b4b157d247f152fc73", kill_on_drop: false }`
[INFO] [stdout] 4d6275f0ca92bad7faf32a88cad6da1221a1ef8c8994b8b4b157d247f152fc73
[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] cde174bd25f025d84f8de4438387ed13842151ae937b6cfbf9c28416a57f029e
[INFO] running `Command { std: "docker" "start" "-a" "cde174bd25f025d84f8de4438387ed13842151ae937b6cfbf9c28416a57f029e", kill_on_drop: false }`
[INFO] [stderr]  Documenting metrics-core v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `metrics_core::IntoLabels`
[INFO] [stdout]    --> src/lib.rs:318:58
[INFO] [stdout]     |
[INFO] [stdout] 318 | /// to do the exact same thing in calls that depend on [`metrics_core::IntoLabels`].
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^ no item named `metrics_core` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "cde174bd25f025d84f8de4438387ed13842151ae937b6cfbf9c28416a57f029e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde174bd25f025d84f8de4438387ed13842151ae937b6cfbf9c28416a57f029e", kill_on_drop: false }`
[INFO] [stdout] cde174bd25f025d84f8de4438387ed13842151ae937b6cfbf9c28416a57f029e
[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] fa29c2b4ad1fae3533c96b631010b25e6d33dd5dcb0d2d22a3ca9265ef515829
[INFO] running `Command { std: "docker" "start" "-a" "fa29c2b4ad1fae3533c96b631010b25e6d33dd5dcb0d2d22a3ca9265ef515829", kill_on_drop: false }`
[INFO] [stderr]  Documenting metrics-core v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `metrics_core::IntoLabels`
[INFO] [stdout]    --> src/lib.rs:318:58
[INFO] [stdout]     |
[INFO] [stdout] 318 | /// to do the exact same thing in calls that depend on [`metrics_core::IntoLabels`].
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^ no item named `metrics_core` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "fa29c2b4ad1fae3533c96b631010b25e6d33dd5dcb0d2d22a3ca9265ef515829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa29c2b4ad1fae3533c96b631010b25e6d33dd5dcb0d2d22a3ca9265ef515829", kill_on_drop: false }`
[INFO] [stdout] fa29c2b4ad1fae3533c96b631010b25e6d33dd5dcb0d2d22a3ca9265ef515829