these 2 derivations will be built:
  /nix/store/jkafplb4zxbhhv5i7iwqmj0badgqbkmx-nickel-wrapper.drv
  /nix/store/bjs1lln5q15a01y20y3lgar8qd7n10il-treefmt.toml.drv
building '/nix/store/bjs1lln5q15a01y20y3lgar8qd7n10il-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=21&system=aarch64-linux'
building '/nix/store/bjs1lln5q15a01y20y3lgar8qd7n10il-treefmt.toml.drv' on farm.numtide.com:50051
treefmt.toml> elastic-arm-39e1b0da: building bjs1lln5q15a01y20y3lgar8qd7n10il-treefmt.toml.drv
treefmt.toml> structuredAttrs is enabled

upload niks3: ok