cargo rustc --release -p hobbes-chess-engine --features "tuning" --jobs 16 -- -C target-cpu=native -C link-arg=/OPT:REF -C link-arg=/OPT:ICF --emit link=Hobbes-AE59A5C6
   Compiling zerocopy v0.8.26
   Compiling getrandom v0.3.3
   Compiling cfg-if v1.0.1
   Compiling arrayvec v0.7.4
   Compiling rand_core v0.9.3
   Compiling ppv-lite86 v0.2.21
   Compiling rand_chacha v0.9.0
   Compiling rand v0.9.2
   Compiling hobbes-chess-engine v0.1.0 (C:\Users\liamt\AppData\Local\Temp\tmpts_8k3y8\Hobbes\Hobbes-tmp)
error[E0658]: mutable references are not allowed in constant functions
   --> src\board.rs:562:26
    |
562 |     pub const fn set_frc(&mut self, frc: bool) {
    |                          ^^^^^^^^^
    |
    = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
    = note: this compiler was built on 2024-04-19; consider upgrading it if it is out of date

error[E0658]: mutable references are not allowed in constant functions
   --> src\tt.rs:120:27
    |
120 |     pub const fn birthday(&mut self) {
    |                           ^^^^^^^^^
    |
    = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
    = note: this compiler was built on 2024-04-19; consider upgrading it if it is out of date

error[E0658]: floating point arithmetic is not allowed in constant functions
  --> src\time.rs:56:24
   |
56 |         let fraction = best_move_nodes as f32 / nodes as f32;
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
   = help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
   = note: this compiler was built on 2024-04-19; consider upgrading it if it is out of date

error[E0658]: floating point arithmetic is not allowed in constant functions
  --> src\time.rs:57:9
   |
57 |         (1.5 - fraction) * 1.35
   |         ^^^^^^^^^^^^^^^^
   |
   = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
   = help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
   = note: this compiler was built on 2024-04-19; consider upgrading it if it is out of date

error[E0658]: floating point arithmetic is not allowed in constant functions
  --> src\time.rs:57:9
   |
57 |         (1.5 - fraction) * 1.35
   |         ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
   = help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
   = note: this compiler was built on 2024-04-19; consider upgrading it if it is out of date

For more information about this error, try `rustc --explain E0658`.
error: could not compile `hobbes-chess-engine` (bin "hobbes-chess-engine") due to 5 previous errors
make: *** [Makefile:26: openbench] Error 101