error: unknown print request `host-tuple`. Valid print requests are: `crate-name`, `file-names`, `sysroot`, `target-libdir`, `cfg`, `calling-conventions`, `target-list`, `target-cpus`, `target-features`, `relocation-models`, `code-models`, `tls-models`, `native-static-libs`, `stack-protector-strategies`, `target-spec-json`, `all-target-specs-json`, `link-args`, `split-debuginfo`, `deployment-target` cargo rustc --release -- -C target-cpu=native --emit link=Anura-F2A04E31 Updating crates.io index Updating git repository `https://github.com/official-monty/montyformat.git` Downloading crates ... Downloaded arrayvec v0.7.6 Compiling anura v0.2.0 (/tmp/tmp4kstbyke/Anura/Anura-tmp) Compiling arrayvec v0.7.6 error[E0658]: floating point arithmetic is not allowed in constant functions --> src/mcts/time.rs:49:9 | 49 | (self.time as f32 / tunables.time_divisor()) as u128 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information error[E0658]: floating point arithmetic is not allowed in constant functions --> src/mcts/time.rs:50:15 | 50 | + (self.increment as f32 / tunables.inc_divisor()) as u128 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information For more information about this error, try `rustc --explain E0658`. error: could not compile `anura` (bin "anura") due to 2 previous errors make: *** [makefile:17: all] Error 101