these 2 derivations will be built:
  /nix/store/fmg6sr7ns50rb4jxyc8xj5w6labj250c-flake-inputs.drv
  /nix/store/xmkfs4prfmj7v9y3004m3263992nfp8v-check-flake-inputs.drv
building '/nix/store/fmg6sr7ns50rb4jxyc8xj5w6labj250c-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/fmg6sr7ns50rb4jxyc8xj5w6labj250c-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building fmg6sr7ns50rb4jxyc8xj5w6labj250c-flake-inputs.drv
building '/nix/store/xmkfs4prfmj7v9y3004m3263992nfp8v-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/xmkfs4prfmj7v9y3004m3263992nfp8v-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building xmkfs4prfmj7v9y3004m3263992nfp8v-check-flake-inputs.drv