this derivation will be built:
  /nix/store/9bgqdnzjs9p5p22p8drrf4n8v668r5g5-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/9bgqdnzjs9p5p22p8drrf4n8v668r5g5-bcachefs-module-7.0.0-29-generic.drv'...