post-build step Upload to niks3: ok time=2026-09-16T11:10:09.557Z level=INFO msg="Uploading 2 paths to niks3.numtide.com (160 already cached)" time=2026-09-16T11:10:09.561Z level=INFO msg="Uploading x48v9mpnkyq96c3k4nfx4k7hl4gvhdy2-python3.14-polars-1.42.1 (217.7MB)" time=2026-09-16T11:10:09.563Z level=INFO msg="Uploading qx1y6ysm8mb17i2bar07ydpv5lrqxji9-google-cloud-cpp-2.44.0 (104.0MB)" time=2026-09-16T11:12:21.270Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe" time=2026-09-16T11:12:49.394Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe" time=2026-09-16T11:12:49.400Z level=INFO msg="Uploading 44 narinfos" time=2026-09-16T11:12:50.741Z level=INFO msg="Upload complete. (2m42.372s)"