Test with `AFL_SHA1_FILENAMES=1` in CI #2310

Job	Run time
maybe-expedite	4s
lint	3m 17s
test (third-party, bincode, stable, false)	30m 40s
test (third-party, bincode, stable, true)	9m 19s
test (third-party, bincode, nightly, false)	10m 27s
test (third-party, bincode, nightly, true)	9m 8s
test (third-party, postcard, stable, false)	32m 26s
test (third-party, postcard, stable, true)	9m 12s
test (third-party, postcard, nightly, false)	11m 5s
test (third-party, postcard, nightly, true)	9m 20s
test (other, bincode, stable, false)	24m 20s
test (other, bincode, stable, true)	24m 10s
test (other, bincode, nightly, false)	31m 23s
test (other, bincode, nightly, true)	31m 24s
test (other, postcard, stable, false)	24m 51s
test (other, postcard, stable, true)	25m 35s
test (other, postcard, nightly, false)	30m 50s
test (other, postcard, nightly, true)	32m 5s
all-checks	1s
	5h 49m 37s

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