remove eprintln! to avoid 2>/dev/full SIGABRT

[oech3]

eprintln! cause SIGABRT with 2>/dev/full.

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.74%. Comparing base (015727f) to head (547669b).

Files with missing lines	Patch %	Lines
src/find/matchers/printf.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #648      +/-   ##
==========================================
- Coverage   91.76%   91.74%   -0.02%     
==========================================
  Files          31       31              
  Lines        6203     6204       +1     
  Branches      328      328              
==========================================
  Hits         5692     5692              
- Misses        390      391       +1     
  Partials      121      121              

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