Files
ObsidianDragon/third_party/silentdragonxlite/lib/rust-toolchain.toml
DanS fffee9f0b5 build(lite-backend): pin the SDXL backend to rustc 1.63 via rust-toolchain.toml
The pinned librustzcash / transitive crates (notably traitobject 0.1.0) rely on
pre-1.70 trait coherence and fail to compile on newer rustc (E0119), so the backend
must build with 1.63. Add a rust-toolchain.toml in the vendored backend so rustup
auto-selects 1.63 when cargo runs there — no more manual RUSTUP_TOOLCHAIN=1.63.0.
The pin is scoped to the backend tree (repo-root cargo keeps the default toolchain).
Also symlink the pin into the prepared build root so --silentdragonxlitelib-dir
builds honor it too.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-23 21:30:16 -05:00

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TOML

# Rust toolchain pin for the vendored SilentDragonXLite (SDXL) backend.
#
# The pinned librustzcash + transitive crates (notably traitobject 0.1.0) rely on
# pre-1.70 trait-coherence rules and fail to compile on newer rustc with
# error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync)`
# so the backend must be built with 1.63 (the toolchain scripts/build-lite-backend-artifact.sh
# and CLAUDE.md target). rustup auto-selects this when cargo runs in this tree, so no
# RUSTUP_TOOLCHAIN / `cargo +1.63.0` is needed.
#
# Install it once with: rustup toolchain install 1.63.0
[toolchain]
channel = "1.63.0"