Fix Array Deserialization Panic #2908

Job	Run time
Check Documentation	53s
Test (stable)	9m 13s
Check (stable)	7s
Check Style	8s
Test (nightly)	18m 4s
Check (nightly)	1m 16s
Check no_std	28s
Test assembly	8m 43s
List directories for parallelizing tests	10s
Test (cp6_782/)	10s
Test (mnt4_753/)	20s
Test (mnt6_753/)	59m 0s
Test (./ed25519)	1m 24s
Test (./mnt6_298)	5m 27s
Test (./grumpkin)	1m 22s
Test (./ed_on_cp6_782)	1m 41s
Test (./ed_on_mnt4_753)	3m 48s
Test (./ed_on_bw6_761)	59s
Test (./bls12_381)	3m 23s
Test (./ed_on_bls12_381_bandersnatch)	1m 14s
Test (./ed_on_mnt4_298)	1m 9s
Test (./secq256k1)	56s
Test (./bn254)	2m 29s
Test (./mnt4_298)	3m 55s
Test (./secp256r1)	1m 0s
Test (./vesta)	1m 10s
Test (./ed_on_bn254)	57s
Test (./bw6_761)	4m 12s
Test (./curve25519)	1m 12s
Test (./pallas)	1m 19s
Test (./ed_on_bls12_377)	1m 58s
Test (./secp384r1)	1m 32s
Test (./secp256k1)	1m 39s
Test (./ed_on_bls12_381)	1m 20s
Test (./bls12_377)	4m 13s
Test (./bw6_767)	4m 3s
	2h 30m 54s

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