this derivation will be built:
  /nix/store/h15l3s8308xl9rz8nxqzhkvrfjbh86dv-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/h15l3s8308xl9rz8nxqzhkvrfjbh86dv-bcachefs-module-7.0.0-29-generic.drv'...