this derivation will be built:
  /nix/store/cgc909bw71slizr6d6jak3m34arqd7dd-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/cgc909bw71slizr6d6jak3m34arqd7dd-bcachefs-module-7.0.0-29-generic.drv'...