this derivation will be built:
  /nix/store/7291swy8n424x0d2fcjh9cv9df4x6zq7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/7291swy8n424x0d2fcjh9cv9df4x6zq7-bcachefs-module-7.0.0-38-generic.drv'...