these 2 derivations will be built:
  /nix/store/0ibysdf6y64qnaknga2jg04wcs6rdm5x-flake-inputs.drv
  /nix/store/x9g1dmj8h911z1d2ll6rlj5w7p8vydd2-check-flake-inputs.drv
building '/nix/store/0ibysdf6y64qnaknga2jg04wcs6rdm5x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0ibysdf6y64qnaknga2jg04wcs6rdm5x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-a30baf54: building 0ibysdf6y64qnaknga2jg04wcs6rdm5x-flake-inputs.drv
building '/nix/store/x9g1dmj8h911z1d2ll6rlj5w7p8vydd2-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/x9g1dmj8h911z1d2ll6rlj5w7p8vydd2-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building x9g1dmj8h911z1d2ll6rlj5w7p8vydd2-check-flake-inputs.drv