this derivation will be built:
  /nix/store/nww6w264jy1lylp8vbq2l5gmaplr2zx7-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/nww6w264jy1lylp8vbq2l5gmaplr2zx7-bcachefs-module-7.0.0-34-generic.drv'...