this derivation will be built:
  /nix/store/l5j2ldyhkmc3kjbg9axilmfssp5h2rrb-treefmt.toml.drv
building '/nix/store/l5j2ldyhkmc3kjbg9axilmfssp5h2rrb-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=23&system=aarch64-linux'
building '/nix/store/l5j2ldyhkmc3kjbg9axilmfssp5h2rrb-treefmt.toml.drv' on farm.numtide.com:50051
treefmt.toml> elastic-arm-81f205d0: building l5j2ldyhkmc3kjbg9axilmfssp5h2rrb-treefmt.toml.drv
treefmt.toml> structuredAttrs is enabled

upload niks3: ok