WIP: fix weird failing gather #3958

Job	Run time
Check	44s
Lints (beta)	34s
Lints (stable)	27s
coverage	2m 34s
test (beta)	2m 36s
test_all_features	17m 13s
test (stable)	1m 30s
test (windows)	6m 20s
test (macos)	3m 4s
Check if cbindgen runs cleanly for generating the C headers	53s
minimum_rust_version	7m 27s
Publish (dry-run)	29s
Run tests under wasm32-wasi	1m 9s
Check if wasm-pack builds a valid package for the sourmash crate	1m 40s
	46m 40s

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