these 2 derivations will be built:
  /nix/store/ws7w90nyw48lw0h4vy75y0dfic7n3az2-flake-inputs.drv
  /nix/store/l4zymj2xkns5is093jnb5dq8kri3lg30-check-flake-inputs.drv
building '/nix/store/ws7w90nyw48lw0h4vy75y0dfic7n3az2-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/ws7w90nyw48lw0h4vy75y0dfic7n3az2-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ws7w90nyw48lw0h4vy75y0dfic7n3az2-flake-inputs.drv
building '/nix/store/l4zymj2xkns5is093jnb5dq8kri3lg30-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/l4zymj2xkns5is093jnb5dq8kri3lg30-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building l4zymj2xkns5is093jnb5dq8kri3lg30-check-flake-inputs.drv