build packages.x86_64-linux.backend

Reproduce this run
  1. 0.84 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link --print-out-paths git+https://codeberg.org/mtlynch/go-app-starter?ref=port%2Fgo-tools-gobin&rev=28ccc24f0bb753a698f07eaa37372573510122f6#packages.x86_64-linux.backend --print-build-logs
  2. 1.77 s
  3. 1.77 s Downloading cached go-app-starter from https://cache.nix-ci.com
  4. 1.78 s Downloaded cached go-app-starter (15 MiB) in 11ms
  5. 1.78 s Progress: 0 of 1 built, 1 of 1 downloaded from cache
  6. 1.78 s /nix/store/pk453rfzbcgm240ivxy4lj1dq134msh3-go-app-starter-0.0.1
  7. 1.78 s Build succeeded.