these 2 derivations will be built:
  /nix/store/2q7239p8ighmbnydniw2940hqhk83ii7-claudebox.drv
  /nix/store/akb4v971md97cxbxdf8ijg72cfnq5frb-check-claudebox.drv
building '/nix/store/2q7239p8ighmbnydniw2940hqhk83ii7-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/2q7239p8ighmbnydniw2940hqhk83ii7-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-02023afc: building 2q7239p8ighmbnydniw2940hqhk83ii7-claudebox.drv
building '/nix/store/akb4v971md97cxbxdf8ijg72cfnq5frb-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/akb4v971md97cxbxdf8ijg72cfnq5frb-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-02023afc: building akb4v971md97cxbxdf8ijg72cfnq5frb-check-claudebox.drv