these 2 derivations will be built:
  /nix/store/4spjrbfjryc038ahnxgqx2isq64pkmb3-flake-inputs.drv
  /nix/store/2cg1f4ib9bn422z51lv7ap2yaqdilb4c-check-flake-inputs.drv
building '/nix/store/4spjrbfjryc038ahnxgqx2isq64pkmb3-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/4spjrbfjryc038ahnxgqx2isq64pkmb3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-d4166bdd: building 4spjrbfjryc038ahnxgqx2isq64pkmb3-flake-inputs.drv
building '/nix/store/2cg1f4ib9bn422z51lv7ap2yaqdilb4c-check-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/2cg1f4ib9bn422z51lv7ap2yaqdilb4c-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-d4166bdd: building 2cg1f4ib9bn422z51lv7ap2yaqdilb4c-check-flake-inputs.drv