these 3 derivations will be built:
  /nix/store/6906ic9ynvcw2w1hr7i2bw326g5c8g3n-claude-code-2.1.308.drv
  /nix/store/c70dfbmv3sk97qf6hj9n9y1wsccmnsm7-claudebox.drv
  /nix/store/szyrhd3w8pd9gxcza8g56s1waj3l4cx3-check-claudebox.drv
building '/nix/store/c70dfbmv3sk97qf6hj9n9y1wsccmnsm7-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-darwin'
building '/nix/store/c70dfbmv3sk97qf6hj9n9y1wsccmnsm7-claudebox.drv' on farm.numtide.com:50051
claudebox> mac02: building c70dfbmv3sk97qf6hj9n9y1wsccmnsm7-claudebox.drv
building '/nix/store/szyrhd3w8pd9gxcza8g56s1waj3l4cx3-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-darwin'
building '/nix/store/szyrhd3w8pd9gxcza8g56s1waj3l4cx3-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> mac02: building szyrhd3w8pd9gxcza8g56s1waj3l4cx3-check-claudebox.drv