these 2 derivations will be built:
  /nix/store/i2p4xsxf4nsi1a0k0py4b57pd5hygdgb-flake-inputs.drv
  /nix/store/axjyknnvqjpp3qq7w3ixkpjafngxpsvh-check-flake-inputs.drv
could not copy /nix/store/9p00hjif16lsyrlin8adsiz3k24q5wd5-check-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