[INFO] fetching crate rut 0.4.2...
[INFO] documenting rut-0.4.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rut 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rut 0.4.2 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 rut 0.4.2
[INFO] finished tweaking crates.io crate rut 0.4.2
[INFO] tweaked toml for crates.io crate rut 0.4.2 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 293de4be12606a8db972277c08be756f4e40de914fd95fd3cfd7a0da7c5603a7
[INFO] running `Command { std: "docker" "start" "-a" "293de4be12606a8db972277c08be756f4e40de914fd95fd3cfd7a0da7c5603a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293de4be12606a8db972277c08be756f4e40de914fd95fd3cfd7a0da7c5603a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293de4be12606a8db972277c08be756f4e40de914fd95fd3cfd7a0da7c5603a7", kill_on_drop: false }`
[INFO] [stdout] 293de4be12606a8db972277c08be756f4e40de914fd95fd3cfd7a0da7c5603a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2743b17f28d679be7c493906733d99eafeded051c2f291b99e3a5a559c9c7a61
[INFO] running `Command { std: "docker" "start" "-a" "2743b17f28d679be7c493906733d99eafeded051c2f291b99e3a5a559c9c7a61", kill_on_drop: false }`
[INFO] [stderr]  Documenting rut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /// https://doc.rust-lang.org/stable/core/str/fn.utf8_char_width.html
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/stable/core/str/fn.utf8_char_width.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "2743b17f28d679be7c493906733d99eafeded051c2f291b99e3a5a559c9c7a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2743b17f28d679be7c493906733d99eafeded051c2f291b99e3a5a559c9c7a61", kill_on_drop: false }`
[INFO] [stdout] 2743b17f28d679be7c493906733d99eafeded051c2f291b99e3a5a559c9c7a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1e41365e65ee3c718bc1760ef67d773d91455a8d5916d96c293f23dbdabbabe3
[INFO] running `Command { std: "docker" "start" "-a" "1e41365e65ee3c718bc1760ef67d773d91455a8d5916d96c293f23dbdabbabe3", kill_on_drop: false }`
[INFO] [stderr]  Documenting rut v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /// https://doc.rust-lang.org/stable/core/str/fn.utf8_char_width.html
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/stable/core/str/fn.utf8_char_width.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "1e41365e65ee3c718bc1760ef67d773d91455a8d5916d96c293f23dbdabbabe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e41365e65ee3c718bc1760ef67d773d91455a8d5916d96c293f23dbdabbabe3", kill_on_drop: false }`
[INFO] [stdout] 1e41365e65ee3c718bc1760ef67d773d91455a8d5916d96c293f23dbdabbabe3