Add more from the std

library/std/src/sys/random/unsupported.rs

@@ -1,15 +0,0 @@
-use crate::ptr;
-
-pub fn fill_bytes(_: &mut [u8]) {
-    panic!("this target does not support random data generation");
-}
-
-pub fn hashmap_random_keys() -> (u64, u64) {
-    // Use allocation addresses for a bit of randomness. This isn't
-    // particularly secure, but there isn't really an alternative.
-    let stack = 0u8;
-    let heap = Box::new(0u8);
-    let k1 = ptr::from_ref(&stack).addr() as u64;
-    let k2 = ptr::from_ref(&*heap).addr() as u64;
-    (k1, k2)
-}

library/std/src/sys/random/unsupported.rs

@@ -0,0 +1 @@
+/home/julien/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/random/unsupported.rs