bign256 v0.13.1 #202

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 48s
build (1.65.0, wasm32-unknown-unknown)	1m 42s
cross (armv7-unknown-linux-gnueabihf, 1.65.0)	3m 1s
build (stable, thumbv7em-none-eabi)	22s
cross (armv7-unknown-linux-gnueabihf, stable)	1m 39s
doc	48s
build (stable, wasm32-unknown-unknown)	19s
cross (aarch64-unknown-linux-gnu, 1.65.0)	2m 43s
cross (aarch64-unknown-linux-gnu, stable)	1m 17s
cross (powerpc-unknown-linux-gnu, 1.65.0)	2m 53s
test (i686-unknown-linux-gnu, 1.65.0, sudo apt update && sudo apt install gcc-multilib)	3m 11s
cross (powerpc-unknown-linux-gnu, stable)	1m 29s
test (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 18s
test (x86_64-unknown-linux-gnu, 1.65.0)	2m 25s
test (x86_64-unknown-linux-gnu, stable)	1m 2s
	25m 57s

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