fix(dev): Don't crash dev mode when rebuild fails

[aklinker1]

This closes #553.

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[codecov]

Codecov Report

Attention: Patch coverage is 9.09091% with 30 lines in your changes are missing coverage. Please review.

Project coverage is 86.31%. Comparing base (36b399d) to head (9d4e59d).

Files	Patch %	Lines
src/core/create-server.ts	9.37%	29 Missing ⚠️
src/core/utils/building/build-entrypoints.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #565      +/-   ##
==========================================
- Coverage   86.51%   86.31%   -0.20%     
==========================================
  Files         111      111              
  Lines        8898     8903       +5     
  Branches      881      879       -2     
==========================================
- Hits         7698     7685      -13     
- Misses       1186     1204      +18     
  Partials       14       14              

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