these 2 derivations will be built:
  /nix/store/4d19gd1vpa005iay2k10y4i0i561j15p-flake-inputs.drv
  /nix/store/rrh7c1qaj7nrki9cn6x617nj3s19kg9m-check-flake-inputs.drv
building '/nix/store/4d19gd1vpa005iay2k10y4i0i561j15p-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/4d19gd1vpa005iay2k10y4i0i561j15p-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-3e34f16b: building 4d19gd1vpa005iay2k10y4i0i561j15p-flake-inputs.drv
building '/nix/store/rrh7c1qaj7nrki9cn6x617nj3s19kg9m-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/rrh7c1qaj7nrki9cn6x617nj3s19kg9m-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building rrh7c1qaj7nrki9cn6x617nj3s19kg9m-check-flake-inputs.drv