fix(go-runner): ensure test binary exists after execution

[not-matthias]

Small downside of this approach: We now have a log like this in the stdout: WORK=/tmp/go-build3181207056, should we remove it? (not worth it imo, but lmk what you think)

Blocked by CodSpeedHQ/codspeed#201

[codspeed-hq]

CodSpeed Performance Report

Merging this PR will improve performance by ×9.4

_{Comparing cod-2049-symbols-not-shown-in-go-flamegraphs (251640a) with main (a8768ed)}

Summary

⚡ 2 improved benchmarks
✅ 46 untouched benchmarks
⏩ 1 skipped benchmark¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	BenchmarkLargeSetupInLoop	10.1 ms	1.1 ms	×9.1
⚡	BenchmarkLargeSetup	10.2 ms	1.1 ms	×9.4

Footnotes

1. 1 benchmark was skipped, so the baseline result was used instead. If it was deleted from the codebase, click here and archive it to remove it from the performance reports. ↩

[codspeed-hq]

Unable to generate the flame graphs

The performance report has correctly been generated, but there was an internal error while generating the flame graphs for this run. We're working on fixing the issue. Feel free to contact us on Discord or at support@codspeed.io if the issue persists.

[avalanche-staging]

CodSpeed Performance Report

Congrats! CodSpeed is installed 🎉

🆕 33 new benchmarks were detected.

You will start to see performance impacts in the reports once the benchmarks are run from your default branch.

Detected benchmarks

• BenchmarkSleep10us: 10.2 µs
• BenchmarkSleep1ms_Loop: 1 ms
• BenchmarkSleep100us: 100.2 µs
• BenchmarkSleep1us: 1.2 µs
• BenchmarkSleep1us_Loop: 1.2 µs
• BenchmarkSleep10us_Loop: 10.2 µs
• BenchmarkSleep10ms: 10 ms
• BenchmarkSleep50ms: 50 ms
• BenchmarkSleep1ms: 1 ms
• BenchmarkSleep100ns_Loop: 299 ns
• BenchmarkSleep100us_Loop: 100.2 µs
• BenchmarkSleep10ms_Loop: 10 ms
• BenchmarkSleep50ms_Loop: 50 ms
• BenchmarkSleep100ns: 226 ns
• BenchmarkLargeSetupInLoop: 1.1 ms
• BenchmarkLargeSetup: 1.1 ms
• BenchmarkWithStopModern: 1.1 ms
• BenchmarkWithoutStartupModern: 1.1 ms
• BenchmarkWithOutlierMeasurementTraditional: 1.1 ms
• BenchmarkWithoutStartupTraditional: 1.1 ms
• ...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.