these 2 derivations will be built:
  /nix/store/hsiahsxrrhc74b9cf00c9kjrxlw5nllj-flake-inputs.drv
  /nix/store/56g37dp5w6w4d88rla872ipr1y0wq7sg-check-flake-inputs.drv
building '/nix/store/hsiahsxrrhc74b9cf00c9kjrxlw5nllj-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/hsiahsxrrhc74b9cf00c9kjrxlw5nllj-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building hsiahsxrrhc74b9cf00c9kjrxlw5nllj-flake-inputs.drv
building '/nix/store/56g37dp5w6w4d88rla872ipr1y0wq7sg-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/56g37dp5w6w4d88rla872ipr1y0wq7sg-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 56g37dp5w6w4d88rla872ipr1y0wq7sg-check-flake-inputs.drv