OSS-Fuzz is broken

[lemire]

Since Nov 2024, OSS-Fuzz is failing to build fast_float.

https://issues.oss-fuzz.com/components/1638179/edit#templates

I do not understand the error log...

...
Step #4: Status: Downloaded newer image for gcr.io/oss-fuzz-base/base-runner:latest
Step #4: gcr.io/oss-fuzz-base/base-runner:latest
Finished Step #4
Starting Step #5
Step #5: Already have image (with digest): gcr.io/oss-fuzz-base/base-runner
Step #5: [/corpus/from_chars.zip]
Step #5:   End-of-central-directory signature not found.  Either this file is not
Step #5:   a zipfile, or it constitutes one disk of a multi-part archive.  In the
Step #5:   latter case the central directory and zipfile comment will be found on
Step #5:   the last disk(s) of this archive.
Step #5: unzip:  cannot find zipfile directory in one of /corpus/from_chars.zip or
Step #5:         /corpus/from_chars.zip.zip, and cannot find /corpus/from_chars.zip.ZIP, period.
Step #5: Failed to unpack the corpus for from_chars. This usually means that corpus backup for a particular fuzz target does not exist. If a fuzz target was added in the last 24 hours, please wait one more day. Otherwise, something is wrong with the fuzz target or the infrastructure, and corpus pruning task does not finish successfully.
Step #5: ********************************************************************************
Step #5: Code coverage report generation failed.
Step #5: To reproduce, run:
Step #5: python infra/helper.py build_image fast_float
Step #5: python infra/helper.py build_fuzzers --sanitizer coverage fast_float
Step #5: python infra/helper.py coverage fast_float
Step #5: ********************************************************************************
Finished Step #5
ERROR
ERROR: build step 5 "gcr.io/oss-fuzz-base/base-runner" failed: step exited with non-zero status: 1

cc @DavidKorczynski