these 2 derivations will be built:
  /nix/store/qcclvl9bpr8jjsf0gdkihh83jz0k49ca-flake-inputs.drv
  /nix/store/9i87hb66xfv8yj84j20204wc65ysmlbg-check-flake-inputs.drv
building '/nix/store/qcclvl9bpr8jjsf0gdkihh83jz0k49ca-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/qcclvl9bpr8jjsf0gdkihh83jz0k49ca-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-cb8e95dc: building qcclvl9bpr8jjsf0gdkihh83jz0k49ca-flake-inputs.drv
building '/nix/store/9i87hb66xfv8yj84j20204wc65ysmlbg-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/9i87hb66xfv8yj84j20204wc65ysmlbg-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-cb8e95dc: building 9i87hb66xfv8yj84j20204wc65ysmlbg-check-flake-inputs.drv