this derivation will be built:
  /nix/store/8m8rdpbc761wyl19g03avlf6sfp5chqb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/8m8rdpbc761wyl19g03avlf6sfp5chqb-bcachefs-module-7.0.0-39-generic.drv'...