Panic when parsing URLPattern

[lucacasonato]

james@DESKTOP-38UI0E9:~$ deno
Deno 1.37.2
exit using ctrl+d, ctrl+c, or close()
REPL is running with all permissions allowed.
To specify permissions, run `deno repl` with allow flags.
> let u = new URLPattern(":cafe://:foo")
undefined
> let u = new URLPattern(":café://:foo")

============================================================
Deno has panicked. This is a bug in Deno. Please report this
at https://github.com/denoland/deno/issues/new.
If you can reliably reproduce this panic, include the
reproduction steps and re-run with the RUST_BACKTRACE=1 env
var set and include the backtrace in your report.

Platform: linux x86_64
Version: 1.37.2
Args: ["deno"]

thread 'main' panicked at /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/urlpattern-0.2.0/src/constructor_parser.rs:173:8:
called `Option::unwrap()` on a `None` value
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
james@DESKTOP-38UI0E9:~$