these 3 derivations will be built:
  /nix/store/fpnnh95z3kcdkcvwmiah1fzlr5ca178w-claude-code-2.1.307.drv
  /nix/store/qg0b5dc02a4z8c62alj9iqw4kr64v8jv-claudebox.drv
  /nix/store/f221vykiwk7qal6v5adw3v9b2xm1qlww-check-claudebox.drv
building '/nix/store/qg0b5dc02a4z8c62alj9iqw4kr64v8jv-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=20&system=aarch64-linux'
building '/nix/store/qg0b5dc02a4z8c62alj9iqw4kr64v8jv-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-52ccf228: building qg0b5dc02a4z8c62alj9iqw4kr64v8jv-claudebox.drv
building '/nix/store/f221vykiwk7qal6v5adw3v9b2xm1qlww-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=20&system=aarch64-linux'
building '/nix/store/f221vykiwk7qal6v5adw3v9b2xm1qlww-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-52ccf228: building f221vykiwk7qal6v5adw3v9b2xm1qlww-check-claudebox.drv