these 2 derivations will be built:
  /nix/store/96qw3gal1pcm34nanyzm0ql52r5w7g47-flake-inputs.drv
  /nix/store/9290d447nd2ch2xx3kg1xjsnxnjg4klp-check-flake-inputs.drv
building '/nix/store/96qw3gal1pcm34nanyzm0ql52r5w7g47-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/96qw3gal1pcm34nanyzm0ql52r5w7g47-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 96qw3gal1pcm34nanyzm0ql52r5w7g47-flake-inputs.drv
building '/nix/store/9290d447nd2ch2xx3kg1xjsnxnjg4klp-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9290d447nd2ch2xx3kg1xjsnxnjg4klp-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9290d447nd2ch2xx3kg1xjsnxnjg4klp-check-flake-inputs.drv