WIP: Rust build speed updates

[vangheem]

Description

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How was this PR tested?

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (5fabf06) 85.11% compared to head (26902e7) 85.08%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1515      +/-   ##
==========================================
- Coverage   85.11%   85.08%   -0.03%     
==========================================
  Files         453      453              
  Lines       25426    25426              
==========================================
- Hits        21641    21634       -7     
- Misses       3785     3792       +7     

Flag	Coverage Δ
node-sidecar	93.98% <ø> (ø)
nucliadb	68.08% <ø> (-0.06%)	:arrow_down:
sdk	43.04% <ø> (ø)
search	83.38% <ø> (ø)
standalone	82.72% <ø> (ø)

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see 2 files with indirect coverage changes

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