this derivation will be built:
  /nix/store/ybi0idnz37hg98qjjj6sqaw0ydpzy986-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/ybi0idnz37hg98qjjj6sqaw0ydpzy986-bcachefs-module-7.0.0-29-generic.drv'...