this derivation will be built:
  /nix/store/mrpvl7ah84pm801r2dz1h01gbcsgz2h6-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/mrpvl7ah84pm801r2dz1h01gbcsgz2h6-bcachefs-module-7.0.0-39-generic.drv'...