this derivation will be built:
  /nix/store/g4jicg50q4jg8gficyx1k7924rndw17k-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/g4jicg50q4jg8gficyx1k7924rndw17k-bcachefs-module-7.0.0-39-generic.drv'...