this derivation will be built:
  /nix/store/0rir4vjkr4l60xwysx2adr4br556lxbk-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/0rir4vjkr4l60xwysx2adr4br556lxbk-bcachefs-module-7.0.0-28-generic.drv'...