this derivation will be built:
  /nix/store/dy681agznz22xs81m6x034s312vhfkay-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/dy681agznz22xs81m6x034s312vhfkay-bcachefs-module-7.0.0-38-generic.drv'...