these 6 derivations will be built:
  /nix/store/37l3cw5awml4l0bdhvjfgdsdr0c66ykd-iets-0.1.0.drv
  /nix/store/bmnkvj24i855i9zl6abqmmywnwg4qy2b-closure-info.drv
  /nix/store/970dxc23akdy10ydcbxpq0v9xyp7y79j-test-script.drv
  /nix/store/3rz3ybcsx4fvplxv4d4m70isqbzd1zpj-driverConfiguration.json.drv
  /nix/store/ji0k70ckh5bg9z3smbbc11s5m64yynyq-nixos-test-driver-iets-cachetest.drv
  /nix/store/8q9nrw9x8v036zn3figgy0d16470ijar-container-test-run-iets-cachetest.drv