these 2 derivations will be built:
  /nix/store/h5xxy5vxl6vw6wif2qnrnirha24b5ybb-agent-browser-0.39.1.drv
  /nix/store/3jdjzifspdnxvydi6vx9j9jypfj4rga8-check-agent-browser.drv
error: timed out after 1200 seconds
error: Cannot build '/nix/store/3jdjzifspdnxvydi6vx9j9jypfj4rga8-check-agent-browser.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/148a4vckqblzfi53dyrj2j05c4rzxaa2-check-agent-browser