these 2 derivations will be built:
  /nix/store/9l9p2p23q24vclhyr1bw6kfhnxmgz5ba-flake-inputs.drv
  /nix/store/wgg7r2gqsrm1s6fb2d1fj46yd4cv97j5-check-flake-inputs.drv
building '/nix/store/9l9p2p23q24vclhyr1bw6kfhnxmgz5ba-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/9l9p2p23q24vclhyr1bw6kfhnxmgz5ba-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 9l9p2p23q24vclhyr1bw6kfhnxmgz5ba-flake-inputs.drv
building '/nix/store/wgg7r2gqsrm1s6fb2d1fj46yd4cv97j5-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/wgg7r2gqsrm1s6fb2d1fj46yd4cv97j5-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building wgg7r2gqsrm1s6fb2d1fj46yd4cv97j5-check-flake-inputs.drv