[INFO] fetching crate dns-server 0.1.0...
[INFO] documenting dns-server-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dns-server 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dns-server 0.1.0 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 dns-server 0.1.0
[INFO] finished tweaking crates.io crate dns-server 0.1.0
[INFO] tweaked toml for crates.io crate dns-server 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dns-server 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f5c0d41e5294c536fd1aba46780033a8fbd84781030cc15718188ccd833f7f23
[INFO] running `Command { std: "docker" "start" "-a" "f5c0d41e5294c536fd1aba46780033a8fbd84781030cc15718188ccd833f7f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c0d41e5294c536fd1aba46780033a8fbd84781030cc15718188ccd833f7f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c0d41e5294c536fd1aba46780033a8fbd84781030cc15718188ccd833f7f23", kill_on_drop: false }`
[INFO] [stdout] f5c0d41e5294c536fd1aba46780033a8fbd84781030cc15718188ccd833f7f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1e96a2d0b8e79c5abda6bda606d22b858045a538c3de41b7369a5aadaac3d38d
[INFO] running `Command { std: "docker" "start" "-a" "1e96a2d0b8e79c5abda6bda606d22b858045a538c3de41b7369a5aadaac3d38d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking fixed-buffer v0.3.1
[INFO] [stderr]     Checking permit v0.1.4
[INFO] [stderr]     Checking prob-rate-limiter v0.1.1
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]  Documenting dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/dns_message_header.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     /// https://datatracker.ietf.org/doc/html/rfc1035#section-4.1.1
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://datatracker.ietf.org/doc/html/rfc1035#section-4.1.1>`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e96a2d0b8e79c5abda6bda606d22b858045a538c3de41b7369a5aadaac3d38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e96a2d0b8e79c5abda6bda606d22b858045a538c3de41b7369a5aadaac3d38d", kill_on_drop: false }`
[INFO] [stdout] 1e96a2d0b8e79c5abda6bda606d22b858045a538c3de41b7369a5aadaac3d38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 740c45813f95f375f3a3ff18275a75d78cb83ed58f792c9b477a8c47345dc124
[INFO] running `Command { std: "docker" "start" "-a" "740c45813f95f375f3a3ff18275a75d78cb83ed58f792c9b477a8c47345dc124", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking fixed-buffer v0.3.1
[INFO] [stderr]     Checking permit v0.1.4
[INFO] [stderr]     Checking prob-rate-limiter v0.1.1
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]  Documenting dns-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/dns_message_header.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     /// https://datatracker.ietf.org/doc/html/rfc1035#section-4.1.1
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://datatracker.ietf.org/doc/html/rfc1035#section-4.1.1>`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "740c45813f95f375f3a3ff18275a75d78cb83ed58f792c9b477a8c47345dc124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740c45813f95f375f3a3ff18275a75d78cb83ed58f792c9b477a8c47345dc124", kill_on_drop: false }`
[INFO] [stdout] 740c45813f95f375f3a3ff18275a75d78cb83ed58f792c9b477a8c47345dc124