beta-regression: evm-stateful "may not live long enough"

[alexcrichton]

Discovered by crater reproducible with:

$ git clone git clone https://source.that.world/source/evm-rs/
$ cd evm-rs/stateful
$ cargo +beta test

cc @rust-lang/compiler, cc @sorpaas

[alexcrichton]

Also sputnikvm-stateful (cc @splix)

[alexcrichton]

Can no longer reproduce, so assuming fixed by #56102!