post-build step Upload to niks3: ok
time=2026-09-16T11:10:08.357Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (101 already cached)"
time=2026-09-16T11:10:08.358Z level=INFO msg="Uploading 8sjgd7q3mdks1rb7rbcv0sallhvrhai5-gcc-15.3.0 (264.4MB)"
time=2026-09-16T11:11:32.500Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-09-16T11:11:32.503Z level=INFO msg="Uploading 7 narinfos"
time=2026-09-16T11:11:33.420Z level=INFO msg="Upload complete. (1m26.546s)"