this derivation will be built:
  /nix/store/70sfiqvh4b0x132ba1ysmlfxjnsn9kqj-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/70sfiqvh4b0x132ba1ysmlfxjnsn9kqj-bcachefs-module-7.0.0-27-generic.drv'...