these 2 derivations will be built:
  /nix/store/4kp5mwx5b5pad50bgyj2ax80vgalg1xc-flake-inputs.drv
  /nix/store/v4w41hrg523bz8wdxlfy3k7i2a3idsw1-check-flake-inputs.drv
building '/nix/store/4kp5mwx5b5pad50bgyj2ax80vgalg1xc-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/4kp5mwx5b5pad50bgyj2ax80vgalg1xc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 4kp5mwx5b5pad50bgyj2ax80vgalg1xc-flake-inputs.drv
building '/nix/store/v4w41hrg523bz8wdxlfy3k7i2a3idsw1-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/v4w41hrg523bz8wdxlfy3k7i2a3idsw1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building v4w41hrg523bz8wdxlfy3k7i2a3idsw1-check-flake-inputs.drv