these 6 derivations will be built:
  /nix/store/4n9jsxvbar7vbqsw08r4q3nzrjknkln2-iets-0.1.0.drv
  /nix/store/siskfn4f7jhbcpziz8ca2wjv6awzp9d1-closure-info.drv
  /nix/store/c41b4gg3grmljsj33w4krgxslb68zsg7-test-script.drv
  /nix/store/x66c83q4y543qlxa9ad6mp4aqjpyvks5-driverConfiguration.json.drv
  /nix/store/3mwrrfp8ly6xrpy6fw3fmv2waclkn2vq-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/biljsrfskynipb6ddbs1ic7c83fdgda3-container-test-run-iets-plumbing-e2e.drv