this derivation will be built:
  /nix/store/fycwfn06bsk0wqb1qhh3h3i5balgkmav-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/fycwfn06bsk0wqb1qhh3h3i5balgkmav-bcachefs-module-7.0.0-28-generic.drv'...