this derivation will be built:
  /nix/store/ay7ib1q483656gy3apzr8svf2xky5364-bcachefs-module-7.1.5-zen1-2-zen.drv
building '/nix/store/ay7ib1q483656gy3apzr8svf2xky5364-bcachefs-module-7.1.5-zen1-2-zen.drv'...