these 2 derivations will be built:
  /nix/store/z4hb15y4ad1hy09qnmhh7bz6brdp7f15-flake-inputs.drv
  /nix/store/yaqfzhzfgz14p4ipw1b1x2p9aq0xgpm6-check-flake-inputs.drv
building '/nix/store/z4hb15y4ad1hy09qnmhh7bz6brdp7f15-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/z4hb15y4ad1hy09qnmhh7bz6brdp7f15-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building z4hb15y4ad1hy09qnmhh7bz6brdp7f15-flake-inputs.drv
building '/nix/store/yaqfzhzfgz14p4ipw1b1x2p9aq0xgpm6-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/yaqfzhzfgz14p4ipw1b1x2p9aq0xgpm6-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building yaqfzhzfgz14p4ipw1b1x2p9aq0xgpm6-check-flake-inputs.drv