[INFO] fetching crate next-gen-proc_macros 0.1.1...
[INFO] documenting next-gen-proc_macros-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate next-gen-proc_macros 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate next-gen-proc_macros 0.1.1 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 next-gen-proc_macros 0.1.1
[INFO] finished tweaking crates.io crate next-gen-proc_macros 0.1.1
[INFO] tweaked toml for crates.io crate next-gen-proc_macros 0.1.1 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8db8705e3474b3cba4aeca60aedb0d766b386099dfdebb47f012717569d860cd
[INFO] running `Command { std: "docker" "start" "-a" "8db8705e3474b3cba4aeca60aedb0d766b386099dfdebb47f012717569d860cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db8705e3474b3cba4aeca60aedb0d766b386099dfdebb47f012717569d860cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db8705e3474b3cba4aeca60aedb0d766b386099dfdebb47f012717569d860cd", kill_on_drop: false }`
[INFO] [stdout] 8db8705e3474b3cba4aeca60aedb0d766b386099dfdebb47f012717569d860cd
[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] 742b6b1315f0b9ba5694dc6d2d275b64cd02be04c0bd2d7193ecb31df4e0a244
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "742b6b1315f0b9ba5694dc6d2d275b64cd02be04c0bd2d7193ecb31df4e0a244", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting next-gen-proc_macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! Use https://docs.rs/next-gen instead.
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://docs.rs/next-gen>`
[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 9.41s
[INFO] running `Command { std: "docker" "inspect" "742b6b1315f0b9ba5694dc6d2d275b64cd02be04c0bd2d7193ecb31df4e0a244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742b6b1315f0b9ba5694dc6d2d275b64cd02be04c0bd2d7193ecb31df4e0a244", kill_on_drop: false }`
[INFO] [stdout] 742b6b1315f0b9ba5694dc6d2d275b64cd02be04c0bd2d7193ecb31df4e0a244
[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] 08328de2341e3f2a7357da70af4014a6902b6f6f8da143bdff0cb2049b17a6fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08328de2341e3f2a7357da70af4014a6902b6f6f8da143bdff0cb2049b17a6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting next-gen-proc_macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! Use https://docs.rs/next-gen instead.
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://docs.rs/next-gen>`
[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 8.34s
[INFO] running `Command { std: "docker" "inspect" "08328de2341e3f2a7357da70af4014a6902b6f6f8da143bdff0cb2049b17a6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08328de2341e3f2a7357da70af4014a6902b6f6f8da143bdff0cb2049b17a6fc", kill_on_drop: false }`
[INFO] [stdout] 08328de2341e3f2a7357da70af4014a6902b6f6f8da143bdff0cb2049b17a6fc