this derivation will be built:
  /nix/store/3748aqy3ff840mw5f6nl6bs7d2s1lsqw-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/3748aqy3ff840mw5f6nl6bs7d2s1lsqw-bcachefs-module-7.0.0-31-generic.drv'...