build packages.x86_64-linux.backend

Reproduce this run
  1. 1.69 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/little-moments?ref=master&rev=cad4762d475bff4ab8a4a5b78bd82d6931cedbde&shallow=1#packages.x86_64-linux.backend --print-build-logs
  2. 3.05 s error (ignored): SQLite database '/var/cache/nix-ci-worker/eval-cache-v6/3a823f1d146c996861a3426ba63b688a30ea769a12ef9c65f05060ff5b8d3c56.sqlite' is busy
  3. 3.05 s
  4. 3.05 s Waiting for lock on little-moments
  5. 37.82 s Progress: 1 of 1 built
  6. 38.88 s /nix/store/2s6in9884s0bfxyjw72943rd044k1fjj-little-moments-0.0.1
  7. 38.88 s Build succeeded.