these 2 derivations will be built:
  /nix/store/kvv39cccb7kk2adrjzdwdvrzn3za037r-flake-inputs.drv
  /nix/store/qf4cmczsfaliqzmpb2wqlrxhdl9r36rs-check-flake-inputs.drv
could not copy /nix/store/pdn5sqdzzsgdv8s7c58r1w8klsrb9df3-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNAVAILABLE: ipv4:127.0.0.2:50051: Handshake read failed (Endpoint closing)
error: some outputs are unexpectedly invalid