these 2 derivations will be built:
  /nix/store/z35pif0lfdva7bzj4j1rvyyld88q37b2-flake-inputs.drv
  /nix/store/fmiyqnfrsjl9qzl6l87l5cal0nx54n2c-check-flake-inputs.drv
building '/nix/store/z35pif0lfdva7bzj4j1rvyyld88q37b2-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/z35pif0lfdva7bzj4j1rvyyld88q37b2-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building z35pif0lfdva7bzj4j1rvyyld88q37b2-flake-inputs.drv
building '/nix/store/fmiyqnfrsjl9qzl6l87l5cal0nx54n2c-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/fmiyqnfrsjl9qzl6l87l5cal0nx54n2c-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building fmiyqnfrsjl9qzl6l87l5cal0nx54n2c-check-flake-inputs.drv