build neothesia-cli error

[sugizo]

environment
google colab
or
ubuntu (because the error is still on installation phase)

steps

!apt update
!apt install -y cargo ffmpeg
!git clone https://github.com/PolyMeilex/Neothesia
!cd Neothesia && cargo build --release -p neothesia-cli

result

error[E0658]: use of unstable library feature 'once_cell'
 --> midi-file/src/program_track.rs:2:33
  |
2 | use std::{collections::HashMap, sync::OnceLock, time::Duration};
  |                                 ^^^^^^^^^^^^^^
  |
  = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information

error[E0658]: use of unstable library feature 'once_cell'
 --> midi-file/src/program_track.rs:6:30
  |
6 |     static DEFAULT_PROGRAMS: OnceLock<HashMap<u8, u8>> = OnceLock::new();
  |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information

error[E0658]: use of unstable library feature 'once_cell'
 --> midi-file/src/program_track.rs:6:58
  |
6 |     static DEFAULT_PROGRAMS: OnceLock<HashMap<u8, u8>> = OnceLock::new();
  |                                                          ^^^^^^^^
  |
  = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information

error[E0658]: use of unstable library feature 'once_cell'
 --> midi-file/src/program_track.rs:6:58
  |
6 |     static DEFAULT_PROGRAMS: OnceLock<HashMap<u8, u8>> = OnceLock::new();
  |                                                          ^^^^^^^^^^^^^
  |
  = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information

error[E0658]: use of unstable library feature 'once_cell'
 --> midi-file/src/program_track.rs:7:22
  |
7 |     DEFAULT_PROGRAMS.get_or_init(|| (0..16).map(|ch| (ch, 0)).collect())
  |                      ^^^^^^^^^^^
  |
  = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information

For more information about this error, try `rustc --explain E0658`.
error: could not compile `midi-file` due to 5 previous errors
warning: build failed, waiting for other jobs to finish...

best regards

[PolyMeilex]

Looks like a too old rustc version, those methods were stabilized in rust 1.70.0

[sugizo]

steps

sudo apt update
sudo apt install -y curl git ffmpeg gcc pkg-config libavutil-dev libavformat-dev libswscale-dev libclang-dev 
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
source "$HOME/.cargo/env"
git clone https://github.com/PolyMeilex/Neothesia
cd Neothesia 
cargo build --release -p neothesia-cli
./target/release/neothesia-cli ./test.mid

result

thread 'main' panicked at neothesia-cli/src/main.rs:49:74:
called `Result::unwrap()` on an `Err` value: AdapterRequest
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

n.b.

lsb_release -d
Description:    Ubuntu 22.04.2 LTS

rustc --version
rustc 1.73.0 (cc66ad468 2023-10-03)