this derivation will be built:
  /nix/store/sgcbrmz32fxrx91cfqbsvziwc1pw7spk-treefmt.toml.drv
this path will be fetched (3.6 MiB download, 9.1 MiB unpacked):
  /nix/store/3857m6grhqavknf3pzgay1l6wkcyni7c-dyff-1.12.0
building '/nix/store/sgcbrmz32fxrx91cfqbsvziwc1pw7spk-treefmt.toml.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-darwin'
building '/nix/store/sgcbrmz32fxrx91cfqbsvziwc1pw7spk-treefmt.toml.drv' on farm.numtide.com:50051
treefmt.toml> mac02: building sgcbrmz32fxrx91cfqbsvziwc1pw7spk-treefmt.toml.drv
treefmt.toml> structuredAttrs is enabled

upload niks3: ok