this derivation will be built:
  /nix/store/knbyx35cxy5hr81agk6krxq4rwv5wvi6-argunix-build-smoke.drv
building '/nix/store/knbyx35cxy5hr81agk6krxq4rwv5wvi6-argunix-build-smoke.drv'...
--- summary ---
eval=1 cached=1 success=1 failure=1 skipped=0 errors=0
--- daemon stderr (tail) ---
{"timestamp":"2026-05-11T21:28:25.219969Z","level":"INFO","fields":{"message":"evaluation started","repo_id":1,"eval_id":1},"target":"argunix"}
{"timestamp":"2026-05-11T21:28:25.226311Z","level":"INFO","fields":{"message":"evaluation finished","count":3},"target":"argunix"}
{"timestamp":"2026-05-11T21:28:25.228640Z","level":"INFO","fields":{"message":"cache hit; marking job cached without building","job_id":1,"cache":"https://cache.example.com"},"target":"argunix"}
attr_path|status
packages.x86_64-linux.cached|cached
packages.x86_64-linux.succeed|success
packages.x86_64-linux.fail|failure
--- statuses ---
cached,failure,success,
attr_path|status|log_path|output_path
packages.x86_64-linux.cached|cached||/nix/store/cccc-cached
packages.x86_64-linux.fail|failure|/build/tmp.3M1cR0bwM9/logs/1/1/3.log.zst|
packages.x86_64-linux.succeed|success|/build/tmp.3M1cR0bwM9/logs/1/1/2.log.zst|/nix/store/dddd-succeed
cached_log=[]
succeed_log=[/build/tmp.3M1cR0bwM9/logs/1/1/2.log.zst]
fail_log=[/build/tmp.3M1cR0bwM9/logs/1/1/3.log.zst]
--- gcroots tree ---
 59838489      4 drwxr-xr-x   3 nixbld   nixbld       4096 May 11 21:28 /build/tmp.3M1cR0bwM9/gcroots
 59838490      4 drwxr-xr-x   3 nixbld   nixbld       4096 May 11 21:28 /build/tmp.3M1cR0bwM9/gcroots/1
 59838491      4 drwxr-xr-x   2 nixbld   nixbld       4096 May 11 21:28 /build/tmp.3M1cR0bwM9/gcroots/1/1
 59838492      0 lrwxrwxrwx   1 nixbld   nixbld         23 May 11 21:28 /build/tmp.3M1cR0bwM9/gcroots/1/1/2 -> /nix/store/dddd-succeed