these 2 derivations will be built:
  /nix/store/qw22i2scm8mzg2b3r4nm76v30pplmc7w-flake-inputs.drv
  /nix/store/7f8bhxakw6g20j60b6aq134gbp9yx620-check-flake-inputs.drv
building '/nix/store/qw22i2scm8mzg2b3r4nm76v30pplmc7w-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/qw22i2scm8mzg2b3r4nm76v30pplmc7w-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building qw22i2scm8mzg2b3r4nm76v30pplmc7w-flake-inputs.drv
building '/nix/store/7f8bhxakw6g20j60b6aq134gbp9yx620-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/7f8bhxakw6g20j60b6aq134gbp9yx620-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building 7f8bhxakw6g20j60b6aq134gbp9yx620-check-flake-inputs.drv