this derivation will be built: /nix/store/xcpp0hdwxsxpv0g8yynfh93bkhavsg2k-treefmt-check.drv building '/nix/store/xcpp0hdwxsxpv0g8yynfh93bkhavsg2k-treefmt-check.drv' treefmt-check> traversed 535 files treefmt-check> emitted 363 files for processing treefmt-check> formatted 363 files (0 changed) in 19.01s upload niks3: ok