this derivation will be built:
  /nix/store/g9dapp4238z735577q7smp1b8ch9n1x2-bcachefs-module-7.0.0-30-generic-64k.drv
building '/nix/store/g9dapp4238z735577q7smp1b8ch9n1x2-bcachefs-module-7.0.0-30-generic-64k.drv'...