this derivation will be built:
  /nix/store/v8i5hyc6gsls9xr8wdqx7zqh96966p8i-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/v8i5hyc6gsls9xr8wdqx7zqh96966p8i-bcachefs-module-7.0.0-29-generic.drv'...