these 2 derivations will be built:
  /nix/store/w516304wlcr69bfxnx3l7c4c8d3sg06d-flake-inputs.drv
  /nix/store/wsp8rm3knz63xw98mbfp8w8g59njl2kx-check-flake-inputs.drv
building '/nix/store/w516304wlcr69bfxnx3l7c4c8d3sg06d-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/w516304wlcr69bfxnx3l7c4c8d3sg06d-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building w516304wlcr69bfxnx3l7c4c8d3sg06d-flake-inputs.drv
building '/nix/store/wsp8rm3knz63xw98mbfp8w8g59njl2kx-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/wsp8rm3knz63xw98mbfp8w8g59njl2kx-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building wsp8rm3knz63xw98mbfp8w8g59njl2kx-check-flake-inputs.drv