Predictable random numbers

11

error: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead? (see issue #27812)
--> src/main.rs:26:1
|
26 | extern crate lazy_static;
| ^^^^^^^^^^^^^^^^^^^^^^^^^

Failing at first hurdle