[INFO] fetching crate render-tree 0.1.1...
[INFO] documenting render-tree-0.1.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate render-tree 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate render-tree 0.1.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate render-tree 0.1.1
[INFO] finished tweaking crates.io crate render-tree 0.1.1
[INFO] tweaked toml for crates.io crate render-tree 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 455ef7cef935b6cd4d57bf96d9c9007c17e491bb2f0fee394e2c38e6a9980974
[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" "455ef7cef935b6cd4d57bf96d9c9007c17e491bb2f0fee394e2c38e6a9980974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455ef7cef935b6cd4d57bf96d9c9007c17e491bb2f0fee394e2c38e6a9980974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455ef7cef935b6cd4d57bf96d9c9007c17e491bb2f0fee394e2c38e6a9980974", kill_on_drop: false }`
[INFO] [stdout] 455ef7cef935b6cd4d57bf96d9c9007c17e491bb2f0fee394e2c38e6a9980974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7408b0a2df216076d258199ace6105e3e640d7ca8102ec304d288855e8dc0a1
[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" "d7408b0a2df216076d258199ace6105e3e640d7ca8102ec304d288855e8dc0a1", kill_on_drop: false }`
[INFO] [stderr]  Documenting render-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Document`
[INFO] [stdout]  --> src/macros.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | /// This macro builds a [`Document`] using nested syntax.
[INFO] [stdout]   |                          ^^^^^^^^^^ the module `macros` contains no item named `Document`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(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 `Render`
[INFO] [stdout]  --> src/macros.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// You can insert any [`Render`] value into a document using `{...}` syntax.
[INFO] [stdout]   |                         ^^^^^^^^ the module `macros` contains no item named `Render`
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Document`
[INFO] [stdout]   --> src/macros.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 | /// - Other [`Document`]s, which are concatenated onto the document.
[INFO] [stdout]    |              ^^^^^^^^^^ the module `macros` contains no item named `Document`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `SomeValue`
[INFO] [stdout]   --> src/macros.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | /// - A [`SomeValue`] adapter that takes an `Option<impl Renderable>` and inserts its inner
[INFO] [stdout]    |          ^^^^^^^^^^^ the module `macros` contains no item named `SomeValue`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Empty`
[INFO] [stdout]   --> src/macros.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | /// - An [`Empty`] value that adds nothing to the document.
[INFO] [stdout]    |           ^^^^^^^ the module `macros` contains no item named `Empty`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "d7408b0a2df216076d258199ace6105e3e640d7ca8102ec304d288855e8dc0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7408b0a2df216076d258199ace6105e3e640d7ca8102ec304d288855e8dc0a1", kill_on_drop: false }`
[INFO] [stdout] d7408b0a2df216076d258199ace6105e3e640d7ca8102ec304d288855e8dc0a1
