this derivation will be built:
  /nix/store/m8cdfdl6y6bf6zqfk49hsjfmsygc6f7k-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/m8cdfdl6y6bf6zqfk49hsjfmsygc6f7k-bcachefs-module-7.0.0-39-generic.drv'...