this derivation will be built:
  /nix/store/7ry6p8450fw570y9irsw4aqva7hczss6-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7ry6p8450fw570y9irsw4aqva7hczss6-bcachefs-module-7.0.0-39-generic.drv'...