these 2 derivations will be built:
  /nix/store/kdxk04vgwyyl8yl08l2zd9ywhdgc4fmi-claudebox.drv
  /nix/store/dbn3j6823223xq2dgbd1a2xd73rflb2j-check-claudebox.drv
building '/nix/store/kdxk04vgwyyl8yl08l2zd9ywhdgc4fmi-claudebox.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-darwin'
building '/nix/store/kdxk04vgwyyl8yl08l2zd9ywhdgc4fmi-claudebox.drv' on farm.numtide.com:50051
claudebox> mac02: building kdxk04vgwyyl8yl08l2zd9ywhdgc4fmi-claudebox.drv
building '/nix/store/dbn3j6823223xq2dgbd1a2xd73rflb2j-check-claudebox.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/dbn3j6823223xq2dgbd1a2xd73rflb2j-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> mac02: building dbn3j6823223xq2dgbd1a2xd73rflb2j-check-claudebox.drv

upload niks3: ok