these 2 derivations will be built:
  /nix/store/6x5zl88645gk6p85mf6dbdgy2hay7cyc-flake-inputs.drv
  /nix/store/yywcl8f3rk6a0cnfri8av795kv5c0q2x-check-flake-inputs.drv
building '/nix/store/6x5zl88645gk6p85mf6dbdgy2hay7cyc-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6x5zl88645gk6p85mf6dbdgy2hay7cyc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 6x5zl88645gk6p85mf6dbdgy2hay7cyc-flake-inputs.drv
building '/nix/store/yywcl8f3rk6a0cnfri8av795kv5c0q2x-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/yywcl8f3rk6a0cnfri8av795kv5c0q2x-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building yywcl8f3rk6a0cnfri8av795kv5c0q2x-check-flake-inputs.drv