this derivation will be built:
  /nix/store/8k86ql35y2s5g7gxbri04h2imz8i96i9-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/8k86ql35y2s5g7gxbri04h2imz8i96i9-bcachefs-module-7.0.0-29-generic.drv'...