these 2 derivations will be built:
  /nix/store/mh187xcfl2x8jz3h64xkri4j5m3mvrw4-flake-inputs.drv
  /nix/store/dc45l3mzvj1fwgysn2abmj8iz1nxmacr-check-flake-inputs.drv
could not copy /nix/store/wcblyrbyldn4a5gwam2i7vfyvl49wl72-check-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: tcp handshaker shutdown
error: some outputs are unexpectedly invalid