these 2 derivations will be built:
  /nix/store/p9ppqrx48d3rqdps5bfpax1cjirlgib8-flake-inputs.drv
  /nix/store/v427xr08a3fwfydp8xip8rk06x2majg1-check-flake-inputs.drv
could not copy /nix/store/aazcgiwv16fsaaqp18436ihbnpg5qpp2-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