these 10 derivations will be built:
  /nix/store/8ydz12lgw0b1dhwy2klhrj4ikhfxqinw-cargo-package-lzma-rust2-0.22.0.drv
  /nix/store/6gjjcc0i5lpw7cx6mbfybbjg9q2a32h9-vendor-registry.drv
  /nix/store/k1lvh0fxlk5gghiqw4whgjcnhf5fv6hc-vendor-cargo-deps.drv
  /nix/store/j3ciw0kq9bpr6hmxhci08v1hkw9kpc8m-iets-deps-0.1.0.drv
  /nix/store/gadk4qhvkl5raa9vls7yy8pjrwlr44n6-iets-0.1.0.drv
  /nix/store/gwh2x8cj6gdcsinj3pc2igkbx7k9yf95-closure-info.drv
  /nix/store/cfrsxn4cgj708qqda3l6345i3xwdqvbi-test-script.drv
  /nix/store/cicjv05anl8w1xsdkl557gvys1lc644c-driverConfiguration.json.drv
  /nix/store/a6lm7bkzckif1yjjvw9xbw0p10pr8ykn-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/hsc2rky2328pjjyw8fznv6dlcwbikwqk-container-test-run-iets-grpc-e2e.drv