seqtohashes errors instead of panic for frame errors

[bluegenes]

Addresses #3395 (comment)

[codecov]

Codecov Report

Attention: Patch coverage is 62.50000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 86.36%. Comparing base (8a0600d) to head (30b524e).
Report is 13 commits behind head on try-skipmers.

Files with missing lines	Patch %	Lines
src/core/src/ffi/minhash.rs	0.00%	5 Missing ⚠️
src/core/src/signature.rs	76.47%	4 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           try-skipmers    #3445      +/-   ##
================================================
- Coverage         86.44%   86.36%   -0.08%     
================================================
  Files               137      137              
  Lines             16156    16195      +39     
  Branches           2219     2219              
================================================
+ Hits              13966    13987      +21     
- Misses             1883     1901      +18     
  Partials            307      307              

Flag	Coverage Δ
hypothesis-py	25.43% <ø> (ø)
python	92.40% <ø> (ø)
rust	62.50% <62.50%> (-0.11%)	⬇️

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[ctb]

nice!