this derivation will be built:
  /nix/store/8m8jfnfigxc6y5rsb1win8yfyb8ki3an-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/8m8jfnfigxc6y5rsb1win8yfyb8ki3an-bcachefs-module-7.0.0-34-generic.drv'...