this derivation will be built:
  /nix/store/6fpq96zxjx2nw8knajlbrsm4pm8br2g5-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6fpq96zxjx2nw8knajlbrsm4pm8br2g5-bcachefs-module-7.0.0-38-generic.drv'...