these 6 derivations will be built:
  /nix/store/3d1f4msnr2qi9n5h78mq2jqyl072dbak-web-worker.service.drv
  /nix/store/aj5drlpdsak2d2c953rikw9cp6fq6pxb-web-health.service.drv
  /nix/store/hp1z0yjfnvf5ksh1dxsd6yvv03apj05n-web-dump.service.drv
  /nix/store/y9nhpyskg3rr8yzia507mhf43s22rc7k-web.service.drv
  /nix/store/70wj2m6cfmcghi96ri4n2lpsiq6dqsfx-flakelet-lib-test-units.drv
  /nix/store/1blf2l1dgz5y204gzpdqhvr0x6phdykk-flakelet-lib-test.drv