mocompute

Ignore failure in Watch.init and just return

1

Addresses #2040 but a change in Zig is required before it closes our bug: https://github.com/ziglang/zig/issues/21543#issuecomment-2381281698

fanotify_init failed due to old kernel; requires 5.17+

1

### Zig Version 0.14.0-dev.1671+085cc54aa ### ZLS Version 0-14-0.dev ### Client / Code Editor / Extensions emacs eglot ### Steps to Reproduce and Observed Behavior Mistakenly thought this was a zig...

This reduces a problem I ran into today where tests were passing in debug but failing in `--optimize`. The unexpected behaviour manifests where a string created by `List.takeFirst |> Str.toUtf8`...