these 2 derivations will be built:
  /nix/store/88h59i544ibfx6nzjx266xqcn05wamb6-flake-inputs.drv
  /nix/store/3zg85q4n57m151i73mpyab23005qj6b3-check-flake-inputs.drv
building '/nix/store/88h59i544ibfx6nzjx266xqcn05wamb6-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
building '/nix/store/88h59i544ibfx6nzjx266xqcn05wamb6-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-8f6abe2e: building 88h59i544ibfx6nzjx266xqcn05wamb6-flake-inputs.drv
building '/nix/store/3zg85q4n57m151i73mpyab23005qj6b3-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
building '/nix/store/3zg85q4n57m151i73mpyab23005qj6b3-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-8f6abe2e: building 3zg85q4n57m151i73mpyab23005qj6b3-check-flake-inputs.drv
could not copy /nix/store/wakz0ayq739d4d9gs01yybrgpqb87xyl-check-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2a01:4f9:3071:1fc8::1%5D:50051: handshaker shutdown
error: some outputs are unexpectedly invalid