Some Rust tests fail

[dloghin]

Some tests from ./run_rust_tests.sh fail. Example:

Run: cargo test --features=gl64 --test ntt -- test_ntt_gl64_consistency_with_plonky2 --exact --nocapture
Output:

   Compiling cryptography_cuda v0.1.0 (/home/ubuntu/git/cryptography_cuda)
    Finished `test` profile [unoptimized + debuginfo] target(s) in 5.17s
     Running tests/ntt.rs (target/debug/deps/ntt-d696ceb1cc038ea2)

running 1 test
type0, coset_ext_pow: 0
type0, coset_ext_pow: 0
type0, coset_ext_pow: 0
thread 'test_ntt_gl64_consistency_with_plonky2' panicked at tests/ntt.rs:75:9:
assertion `left == right` failed
  left: [7925047125991060539, 13219133059840474081, 5413130461198108588, 13723798841978401217, 10800859561699942291, 14225086993387528330, 18189244223823711628, 12720479968255546429]
 right: [7925047125991060539, 14225086993387528330, 5413130461198108588, 12720479968255546429, 10800859561699942291, 13219133059840474081, 18189244223823711628, 13723798841978401217]
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
test test_ntt_gl64_consistency_with_plonky2 ... FAILED

failures:

failures:
    test_ntt_gl64_consistency_with_plonky2

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 13 filtered out; finished in 0.20s

error: test failed, to rerun pass `--test ntt`