these 2 derivations will be built:
  /nix/store/4dfpq39w9vdbjj4cadm5nhgg82jvf1s0-flake-inputs.drv
  /nix/store/rijdl7yc1f837y1k9prnpc343pfkql0p-check-flake-inputs.drv
could not copy /nix/store/1xpd7k24lp0yyhmjm6bcm28l4vybbr80-flake-inputs: 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