this derivation will be built:
  /nix/store/08i251dwb2cl3ijjn7xlml8mffj22yyc-check-cline.drv
building '/nix/store/08i251dwb2cl3ijjn7xlml8mffj22yyc-check-cline.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/08i251dwb2cl3ijjn7xlml8mffj22yyc-check-cline.drv' on farm.numtide.com:50051
check-cline> mac02: building 08i251dwb2cl3ijjn7xlml8mffj22yyc-check-cline.drv