build packages.x86_64-linux.backend

Reproduce this run
  1. 1.18 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=master&rev=990cc74d4ad0c3a71fefb1fe225c1e37007438a2#packages.x86_64-linux.backend --print-build-logs
  2. 2.25 s
  3. 2.25 s Downloading cached go-app-starter from https://cache.nix-ci.com
  4. 2.26 s Downloaded cached go-app-starter (15 MiB) in 11ms
  5. 2.26 s Progress: 0 of 1 built, 1 of 1 downloaded from cache
  6. 2.26 s /nix/store/wm533i08v0lax8c35m3kgwyr7g7qncp8-go-app-starter-0.0.1
  7. 2.26 s Build succeeded.