these 2 derivations will be built:
  /nix/store/p1x2skb37nd30ylff8vjlfp1zrfkc27q-flake-inputs.drv
  /nix/store/czjc2f4flsri3b403yp2v22syz7gqal2-check-flake-inputs.drv
could not copy /nix/store/d5b985hgwpb5xyp6mp6azz8n6ri9qlr7-check-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: handshaker shutdown
error: some outputs are unexpectedly invalid