this derivation will be built:
  /nix/store/cm1hvky6qs01xn64vz4l1185yjjkgddd-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/cm1hvky6qs01xn64vz4l1185yjjkgddd-bcachefs-module-7.0.0-29-generic.drv'...