these 3 derivations will be built:
  /nix/store/ilgp7lff7iq161smyq0i4xg93xxw9r3y-agent-browser-dashboard-0.39.1.drv
  /nix/store/5wgg7fqw620an5ldpzb9kvs90krg05nz-agent-browser-0.39.1.drv
  /nix/store/6mxjmlr2jl18f8g5w40pa3zawc06a4ay-check-agent-browser.drv
could not copy /nix/store/nipsfz9wls8cmcwmj5crpprhbd2a6vnq-check-agent-browser: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: handshaker shutdown
error: some outputs are unexpectedly invalid