this derivation will be built:
  /nix/store/grj126l2v0c320l3xgkcnsqc97clrhjc-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/grj126l2v0c320l3xgkcnsqc97clrhjc-bcachefs-module-7.0.0-31-generic.drv'...