this derivation will be built:
  /nix/store/c8kfgfg3pq0s0w56r5z9v94yc68h3y38-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/c8kfgfg3pq0s0w56r5z9v94yc68h3y38-bcachefs-module-7.0.0-29-generic.drv'...