this derivation will be built:
  /nix/store/av8whljfw3xjwqlxkm98m5q96d8nfsh2-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/av8whljfw3xjwqlxkm98m5q96d8nfsh2-bcachefs-module-7.0.0-29-generic.drv'...