[INFO] fetching crate mset 0.1.0...
[INFO] documenting mset-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mset 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mset 0.1.0 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 mset 0.1.0
[INFO] finished tweaking crates.io crate mset 0.1.0
[INFO] tweaked toml for crates.io crate mset 0.1.0 written to /workspace/builds/worker-9/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 version-sync v0.9.4
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4055a3916f66052c86f5c9258f83f4831eb4b7d65626f80968c826ac66532566
[INFO] running `Command { std: "docker" "start" "-a" "4055a3916f66052c86f5c9258f83f4831eb4b7d65626f80968c826ac66532566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4055a3916f66052c86f5c9258f83f4831eb4b7d65626f80968c826ac66532566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4055a3916f66052c86f5c9258f83f4831eb4b7d65626f80968c826ac66532566", kill_on_drop: false }`
[INFO] [stdout] 4055a3916f66052c86f5c9258f83f4831eb4b7d65626f80968c826ac66532566
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac81c7dfd60d352be8b037df88dee91836ef74af955c46167724937718d96cf4
[INFO] running `Command { std: "docker" "start" "-a" "ac81c7dfd60d352be8b037df88dee91836ef74af955c46167724937718d96cf4", kill_on_drop: false }`
[INFO] [stderr]  Documenting mset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `elements`
[INFO] [stdout]     --> src/lib.rs:1193:39
[INFO] [stdout]      |
[INFO] [stdout] 1193 | /// This `struct` is created by the [`elements`] method on [`MultiSet`].
[INFO] [stdout]      |                                       ^^^^^^^^ no item named `elements` 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 `intersection`
[INFO] [stdout]     --> src/lib.rs:1291:39
[INFO] [stdout]      |
[INFO] [stdout] 1291 | /// This `struct` is created by the [`intersection`] method on [`MultiSet`].
[INFO] [stdout]      |                                       ^^^^^^^^^^^^ no item named `intersection` 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "ac81c7dfd60d352be8b037df88dee91836ef74af955c46167724937718d96cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac81c7dfd60d352be8b037df88dee91836ef74af955c46167724937718d96cf4", kill_on_drop: false }`
[INFO] [stdout] ac81c7dfd60d352be8b037df88dee91836ef74af955c46167724937718d96cf4
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] a957a80d84349211db20effb5bfa0d684eb89fc0187720d84f6c2a36072e3bcb
[INFO] running `Command { std: "docker" "start" "-a" "a957a80d84349211db20effb5bfa0d684eb89fc0187720d84f6c2a36072e3bcb", kill_on_drop: false }`
[INFO] [stderr]  Documenting mset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `elements`
[INFO] [stdout]     --> src/lib.rs:1193:39
[INFO] [stdout]      |
[INFO] [stdout] 1193 | /// This `struct` is created by the [`elements`] method on [`MultiSet`].
[INFO] [stdout]      |                                       ^^^^^^^^ no item named `elements` 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 `intersection`
[INFO] [stdout]     --> src/lib.rs:1291:39
[INFO] [stdout]      |
[INFO] [stdout] 1291 | /// This `struct` is created by the [`intersection`] method on [`MultiSet`].
[INFO] [stdout]      |                                       ^^^^^^^^^^^^ no item named `intersection` 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 0.94s
[INFO] running `Command { std: "docker" "inspect" "a957a80d84349211db20effb5bfa0d684eb89fc0187720d84f6c2a36072e3bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a957a80d84349211db20effb5bfa0d684eb89fc0187720d84f6c2a36072e3bcb", kill_on_drop: false }`
[INFO] [stdout] a957a80d84349211db20effb5bfa0d684eb89fc0187720d84f6c2a36072e3bcb