[INFO] fetching crate percy-webapis 0.0.2...
[INFO] documenting percy-webapis-0.0.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate percy-webapis 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate percy-webapis 0.0.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate percy-webapis 0.0.2
[INFO] finished tweaking crates.io crate percy-webapis 0.0.2
[INFO] tweaked toml for crates.io crate percy-webapis 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b6593e5477320a85f024e9585559f9c3171cb4386f21dc948828e27d85b39c0
[INFO] running `Command { std: "docker" "start" "-a" "8b6593e5477320a85f024e9585559f9c3171cb4386f21dc948828e27d85b39c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b6593e5477320a85f024e9585559f9c3171cb4386f21dc948828e27d85b39c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6593e5477320a85f024e9585559f9c3171cb4386f21dc948828e27d85b39c0", kill_on_drop: false }`
[INFO] [stdout] 8b6593e5477320a85f024e9585559f9c3171cb4386f21dc948828e27d85b39c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d7f719054595688dafd990214968a985dee9e57d8ee103d6fd1eaca92db6372
[INFO] running `Command { std: "docker" "start" "-a" "7d7f719054595688dafd990214968a985dee9e57d8ee103d6fd1eaca92db6372", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]  Documenting percy-webapis v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]   --> src/lib.rs:57:75
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn add_event_listener(this: &Element, event: &str, cb: &Closure<Fn()>);
[INFO] [stdout]    |                                                                           ^ unresolved import
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:17:62
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn create_element(this: &HTMLDocument, tag: &str) -> Element;
[INFO] [stdout]    |                                                              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn create_element(this: &HTMLDocument, tag: &str) -> Element;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn create_element<Element>(this: &HTMLDocument, tag: &str) -> Element;
[INFO] [stdout]    |                          +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:20:64
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_element_by_id(this: &HTMLDocument, id: &str) -> Element;
[INFO] [stdout]    |                                                                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_element_by_id(this: &HTMLDocument, id: &str) -> Element;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get_element_by_id<Element>(this: &HTMLDocument, id: &str) -> Element;
[INFO] [stdout]    |                             +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HTMLCanvasElement` in this scope
[INFO] [stdout]   --> src/lib.rs:23:69
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn create_canvas_element(this: &HTMLDocument, tag: &str) -> HTMLCanvasElement;
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HTMLCanvasElement` in this scope
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn create_canvas_element(this: &HTMLDocument, tag: &str) -> HTMLCanvasElement;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn create_canvas_element<HTMLCanvasElement>(this: &HTMLDocument, tag: &str) -> HTMLCanvasElement;
[INFO] [stdout]    |                                 +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn body(this: &HTMLDocument) -> Element;
[INFO] [stdout]    |                                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn body(this: &HTMLDocument) -> Element;
[INFO] [stdout]    |            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn body<Element>(this: &HTMLDocument) -> Element;
[INFO] [stdout]    |                +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Clone for Element {
[INFO] [stdout]    |                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn clone(&self) -> Element {
[INFO] [stdout]    |                        ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:91:49
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn item(this: &NodeList, idx: usize) -> Element;
[INFO] [stdout]    |                                                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Element` in this scope
[INFO] [stdout]   --> src/lib.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn item(this: &NodeList, idx: usize) -> Element;
[INFO] [stdout]    |            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn item<Element>(this: &NodeList, idx: usize) -> Element;
[INFO] [stdout]    |                +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(use_extern_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `use_extern_macros` has been stable since `1.30.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `percy-webapis`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name percy_webapis src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e986a3a1ca195932 -L dependency=/opt/rustwide/target/debug/deps --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-64e126dff09ecf58.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7d7f719054595688dafd990214968a985dee9e57d8ee103d6fd1eaca92db6372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7f719054595688dafd990214968a985dee9e57d8ee103d6fd1eaca92db6372", kill_on_drop: false }`
[INFO] [stdout] 7d7f719054595688dafd990214968a985dee9e57d8ee103d6fd1eaca92db6372
