Yeah, this seems to be an issue for me, too. I wrote a post about it: dev.to/andy/ruby-segmentation-faul...
I didn't think it was anything since I was the only person on our team who could reproduce it for a while. I've also been using our CI as a workaround since that seems to pass properly.
I don't think it's hardware related, but my specs are macOS 10.13.5 on a Macbook Air with a 1.6 GHz i5 and 8 GB 1600 MHz DDR3 RAM.
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