this derivation will be built:
  /nix/store/607baq9gvmhdnn2g43zp0xwdv2gm3lsv-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/607baq9gvmhdnn2g43zp0xwdv2gm3lsv-bcachefs-module-7.0.0-28-generic.drv'...