[INFO] fetching crate doc-cfg 0.1.0...
[INFO] documenting doc-cfg-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate doc-cfg 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate doc-cfg 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 doc-cfg 0.1.0
[INFO] finished tweaking crates.io crate doc-cfg 0.1.0
[INFO] tweaked toml for crates.io crate doc-cfg 0.1.0 written to /workspace/builds/worker-18/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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e49fa095d9fbf5086a1f1e70ed6eed8d60fb4cb07c9d1b6a38f8bde4e4aba9d4
[INFO] running `Command { std: "docker" "start" "-a" "e49fa095d9fbf5086a1f1e70ed6eed8d60fb4cb07c9d1b6a38f8bde4e4aba9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e49fa095d9fbf5086a1f1e70ed6eed8d60fb4cb07c9d1b6a38f8bde4e4aba9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49fa095d9fbf5086a1f1e70ed6eed8d60fb4cb07c9d1b6a38f8bde4e4aba9d4", kill_on_drop: false }`
[INFO] [stdout] e49fa095d9fbf5086a1f1e70ed6eed8d60fb4cb07c9d1b6a38f8bde4e4aba9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 90ba360f6b15d70afcd4c3d71cf762f04dcbb112ed4bcdcfa673c8b6611f8fcf
[INFO] running `Command { std: "docker" "start" "-a" "90ba360f6b15d70afcd4c3d71cf762f04dcbb112ed4bcdcfa673c8b6611f8fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting doc-cfg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `doc_cfg` is both a function and an attribute macro
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! The [`doc_cfg`] attribute is a convenience that removes the boilerplate
[INFO] [stdout]   |           ^^^^^^^ ambiguous link
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! The [`doc_cfg()`] attribute is a convenience that removes the boilerplate
[INFO] [stdout]   |                  ++
[INFO] [stdout] help: to link to the attribute macro, prefix with `macro@`
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! The [`macro@doc_cfg`] attribute is a convenience that removes the boilerplate
[INFO] [stdout]   |           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "90ba360f6b15d70afcd4c3d71cf762f04dcbb112ed4bcdcfa673c8b6611f8fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ba360f6b15d70afcd4c3d71cf762f04dcbb112ed4bcdcfa673c8b6611f8fcf", kill_on_drop: false }`
[INFO] [stdout] 90ba360f6b15d70afcd4c3d71cf762f04dcbb112ed4bcdcfa673c8b6611f8fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 7ba453d4aa1f981610c108ef9493a60a6b9d0c22b5ee9d85ba2a76a1e9b39017
[INFO] running `Command { std: "docker" "start" "-a" "7ba453d4aa1f981610c108ef9493a60a6b9d0c22b5ee9d85ba2a76a1e9b39017", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting doc-cfg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `doc_cfg` is both a function and an attribute macro
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! The [`doc_cfg`] attribute is a convenience that removes the boilerplate
[INFO] [stdout]   |           ^^^^^^^ ambiguous link
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! The [`doc_cfg()`] attribute is a convenience that removes the boilerplate
[INFO] [stdout]   |                  ++
[INFO] [stdout] help: to link to the attribute macro, prefix with `macro@`
[INFO] [stdout]   |
[INFO] [stdout] 4 | //! The [`macro@doc_cfg`] attribute is a convenience that removes the boilerplate
[INFO] [stdout]   |           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "7ba453d4aa1f981610c108ef9493a60a6b9d0c22b5ee9d85ba2a76a1e9b39017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba453d4aa1f981610c108ef9493a60a6b9d0c22b5ee9d85ba2a76a1e9b39017", kill_on_drop: false }`
[INFO] [stdout] 7ba453d4aa1f981610c108ef9493a60a6b9d0c22b5ee9d85ba2a76a1e9b39017