this derivation will be built:
  /nix/store/zn1i2h40qfvbgbkq7gax39a5m3cis453-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/zn1i2h40qfvbgbkq7gax39a5m3cis453-bcachefs-module-7.0.0-38-generic.drv'...