these 5 derivations will be built:
  /nix/store/n833h4wf08ky24mynaf1x0x5f1a220sl-source.drv
  /nix/store/hkjcrabydxfg1f4knh89k27jqw741va0-tilth-0.12.0-vendor-staging.drv
  /nix/store/21vh9rca7qvi74wif5fy8fpp3790fn25-tilth-0.12.0-vendor.drv
  /nix/store/ldh0a4apmi5as7cdy2961gm4v1vvs6j1-tilth-0.12.0.drv
  /nix/store/hsdddh90rlxc5mz6v876xw7v3mr825rh-check-tilth.drv