these 2 derivations will be built:
  /nix/store/l2igz7f43nyg3ahpf3q3fw41hr7hxy6s-wgslfmt-wrapper.drv
  /nix/store/khfgk2srp6y7h9agy4fvvzjna6b2q381-treefmt.toml.drv
building '/nix/store/khfgk2srp6y7h9agy4fvvzjna6b2q381-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=20&system=aarch64-linux'
building '/nix/store/khfgk2srp6y7h9agy4fvvzjna6b2q381-treefmt.toml.drv' on farm.numtide.com:50051
treefmt.toml> elastic-arm-39e1b0da: building khfgk2srp6y7h9agy4fvvzjna6b2q381-treefmt.toml.drv
treefmt.toml> structuredAttrs is enabled

upload niks3: ok