this derivation will be built:
  /nix/store/k36ld3bpdl3l016y757wwxvmg7k11q8d-bcachefs-module-7.1.3-arch2-2.drv
building '/nix/store/k36ld3bpdl3l016y757wwxvmg7k11q8d-bcachefs-module-7.1.3-arch2-2.drv'...