these 2 derivations will be built:
  /nix/store/vkvkig3bb76p0fknsm8lc9z2iq33yr3q-flake-inputs.drv
  /nix/store/r68h3kgpn6r6sys3hf8vjfqvd4ck6y2n-check-flake-inputs.drv
building '/nix/store/vkvkig3bb76p0fknsm8lc9z2iq33yr3q-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/vkvkig3bb76p0fknsm8lc9z2iq33yr3q-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vkvkig3bb76p0fknsm8lc9z2iq33yr3q-flake-inputs.drv
building '/nix/store/r68h3kgpn6r6sys3hf8vjfqvd4ck6y2n-check-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/r68h3kgpn6r6sys3hf8vjfqvd4ck6y2n-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building r68h3kgpn6r6sys3hf8vjfqvd4ck6y2n-check-flake-inputs.drv