clippy: fix implicit_clone lint

[xtqqczze]

https://rust-lang.github.io/rust-clippy/master/index.html#implicit_clone

[codecov-commenter]

Codecov Report

❌ Patch coverage is 90.90909% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.04%. Comparing base (5154084) to head (a827a87).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/compiler/nvcc.rs	75.00%	1 Missing ⚠️
src/server.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2584   +/-   ##
=======================================
  Coverage   72.04%   72.04%           
=======================================
  Files          66       66           
  Lines       36953    36953           
=======================================
  Hits        26623    26623           
  Misses      10330    10330           

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