shrink BZ2_RNUMS

[folkertdev]

this gives mostly improvements, some instruction count increases but no increases in wall time as far as I can tell

Benchmark 2 (10 runs): target/release/examples/decompress rs tests/input/bzip2-testfiles/go/regexp/re2-exhaustive.txt.bz2
  measurement          mean ± σ            min … max           outliers         delta
  wall_time           507ms ± 3.72ms     497ms …  511ms          1 (10%)          -  0.9% ±  1.0%
  peak_rss           67.5MB ±    0      67.5MB … 67.5MB          0 ( 0%)          -  0.0% ±  0.0%
  cpu_cycles         2.19G  ± 12.6M     2.17G  … 2.21G           2 (20%)          -  1.2% ±  0.9%
  instructions       2.86G  ±  355      2.86G  … 2.86G           0 ( 0%)        💩+  3.0% ±  0.0%
  cache_references    110M  ±  236K      109M  …  110M           0 ( 0%)          -  0.5% ±  0.4%
  cache_misses       28.2M  ±  172K     27.9M  … 28.5M           0 ( 0%)        ⚡-  2.1% ±  0.7%
  branch_misses      1.61M  ± 6.70K     1.60M  … 1.62M           0 ( 0%)        ⚡-  3.4% ±  0.3%

Benchmark 2 (10 runs): target/release/examples/decompress rs tests/input/bzip2-testfiles/go/regexp/re2-exhaustive.txt.bz2
  measurement          mean ± σ            min … max           outliers         delta
  wall_time           505ms ± 7.56ms     485ms …  510ms          1 (10%)          -  1.6% ±  1.2%
  peak_rss           67.5MB ±    0      67.5MB … 67.5MB          0 ( 0%)          +  0.0% ±  0.0%
  cpu_cycles         2.18G  ± 36.3M     2.08G  … 2.20G           1 (10%)          -  1.7% ±  1.1%
  instructions       2.86G  ±  267      2.86G  … 2.86G           0 ( 0%)        💩+  3.0% ±  0.0%
  cache_references    109M  ±  369K      109M  …  110M           0 ( 0%)          -  0.1% ±  0.3%
  cache_misses       28.1M  ± 55.7K     28.0M  … 28.2M           0 ( 0%)        ⚡-  1.8% ±  0.5%
  branch_misses      1.61M  ± 4.67K     1.60M  … 1.62M           1 (10%)        ⚡-  3.5% ±  0.3%

Benchmark 2 (795 runs): target/release/examples/decompress rs tests/input/quick/sample2.bz2
  measurement          mean ± σ            min … max           outliers         delta
  wall_time          6.25ms ±  133us    5.94ms … 8.07ms         18 ( 2%)        ⚡-  3.3% ±  0.3%
  peak_rss           3.02MB ± 18.0KB    2.88MB … 3.15MB         15 ( 2%)          +  0.0% ±  0.0%
  cpu_cycles         22.2M  ±  350K     21.9M  … 29.5M          54 ( 7%)        ⚡-  4.0% ±  0.3%
  instructions       39.3M  ±  298      39.2M  … 39.3M           7 ( 1%)        ⚡- 10.2% ±  0.0%
  cache_references    349K  ± 34.1K      340K  … 1.07M         104 (13%)          -  1.3% ±  1.9%
  cache_misses       78.2K  ± 1.74K     74.3K  … 86.7K          21 ( 3%)        ⚡-  1.4% ±  0.2%
  branch_misses       272K  ±  939       269K  …  276K           8 ( 1%)        ⚡-  8.5% ±  0.0%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Flag	Coverage Δ
fuzz-compress_then_decompress	50.25% <ø> (-0.20%)	⬇️
fuzz-decompress_chunked	33.42% <ø> (+2.82%)	⬆️
test-aarch64-apple-darwin	89.49% <ø> (ø)
test-x86_64-apple-darwin	89.49% <ø> (ø)
test-x86_64-unknown-linux-gnu	89.49% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
libbz2-rs-sys/src/bzlib.rs	95.57% <ø> (+0.68%)	⬆️

... and 1 file with indirect coverage changes

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[folkertdev]

The install action started downloading cargo-fuzz built for musl again, so now we're just cargo install'ing it.