warning: unreachable pattern
  --> components/script/dom/offscreencanvas.rs:93:17
   |
93 |                 _ => None,
   |                 ^
   |
   = note: #[warn(unreachable_patterns)] on by default

error[E0004]: non-exhaustive patterns: `&_` not covered
   --> components/script/dom/offscreencanvas.rs:114:15
    |
114 |         match &*id {
    |               ^^^^ pattern `&_` not covered

error: aborting due to previous error

For more information about this error, try `rustc --explain E0004`.
error: Could not compile `script`.