these 2 derivations will be built:
  /nix/store/n9rg2f148dsnid1r72gm0zlfmwrfii65-flake-inputs.drv
  /nix/store/23knrj2m28ja5aic0jj94g142k05nnxr-check-flake-inputs.drv
building '/nix/store/n9rg2f148dsnid1r72gm0zlfmwrfii65-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/n9rg2f148dsnid1r72gm0zlfmwrfii65-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building n9rg2f148dsnid1r72gm0zlfmwrfii65-flake-inputs.drv
building '/nix/store/23knrj2m28ja5aic0jj94g142k05nnxr-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/23knrj2m28ja5aic0jj94g142k05nnxr-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 23knrj2m28ja5aic0jj94g142k05nnxr-check-flake-inputs.drv