this derivation will be built:
  /nix/store/qf9cfr4drna3z7d0da9ma60apxpicqs1-treefmt-2a33b9c.drv
error: Cannot build '/nix/store/qf9cfr4drna3z7d0da9ma60apxpicqs1-treefmt-2a33b9c.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/3prd5y6f0asyg273yprr84ic5qgidvp3-treefmt-2a33b9c
       Last 25 log lines:
       > --- PASS: TestFilesystemReaderSubpaths (1.02s)
       > === RUN   TestGitReader
       > --- PASS: TestGitReader (2.15s)
       > === RUN   TestJujutsuReader
       > --- PASS: TestJujutsuReader (1.13s)
       > === RUN   TestJujutsuReaderUsesTreeRoot
       > --- PASS: TestJujutsuReaderUsesTreeRoot (0.07s)
       > === RUN   TestPathStreamReader
       > 2026/10/05 11:10:58 WARN  walk | test walker: Path /build/TestPathStreamReader2646112725/001/missing.txt was emitted by test walker but no file exists at that path
       > --- PASS: TestPathStreamReader (1.02s)
       > === RUN   TestPathStreamReaderSubpath
       > --- PASS: TestPathStreamReaderSubpath (1.01s)
       > === RUN   TestPathStreamReaderPassesPathFilters
       > --- PASS: TestPathStreamReaderPassesPathFilters (1.02s)
       > === RUN   TestPathStreamReaderDelimiters
       > --- PASS: TestPathStreamReaderDelimiters (1.01s)
       > === RUN   TestPathStreamReaderCloseUnblocks
       > --- PASS: TestPathStreamReaderCloseUnblocks (0.06s)
       > === RUN   TestPathStreamReaderCommandFailure
       > --- PASS: TestPathStreamReaderCommandFailure (1.01s)
       > PASS
       > coverage: 35.2% of statements
       > ok  	github.com/numtide/treefmt/v2/walk	12.565s	coverage: 35.2% of statements
       > 	github.com/numtide/treefmt/v2/walk/cache		coverage: 0.0% of statements
       > FAIL
       For full logs, run:
         nix log /nix/store/qf9cfr4drna3z7d0da9ma60apxpicqs1-treefmt-2a33b9c.drv