fix: remove nightly requirement for Rust toolchain; update README to reflect Rust version 1.85+

Author: Gioee

.github/workflows/main.yml

@@ -137,10 +137,6 @@ jobs:
             tail -f /dev/null
           docker exec alpine sh -c "apk update && apk add --no-cache git gcc make sqlite musl-dev linux-headers rust cargo bash curl pkgconf openssl-dev nodejs npm"
 
-      - name: setup rust nightly
-        if: matrix.name != 'linux-musl'
-        uses: dtolnay/rust-toolchain@nightly
-
       - name: windows install dependencies
         if: matrix.name == 'windows'
         run: choco install sqlite -y

Makefile

@@ -33,7 +33,7 @@ MAKEFLAGS += -j$(CPUS)
 # Compiler and flags
 CC = gcc
 CARGO_ENV = CARGO_TARGET_DIR=$(RUST_TARGET_DIR)
-CARGO = $(CARGO_ENV) cargo +nightly
+CARGO = $(CARGO_ENV) cargo
 CFLAGS = -Wall -Wextra -Wno-unused-parameter -I$(SRC_DIR) -I$(LIBS_DIR)
 
 # Directories
@@ -73,7 +73,7 @@ else ifeq ($(PLATFORM),macos)
 	LDFLAGS += -dynamiclib -undefined dynamic_lookup -headerpad_max_install_names -mmacosx-version-min=$(MACOS_MIN_VERSION)
 	CFLAGS += -mmacosx-version-min=$(MACOS_MIN_VERSION)
 	CARGO_ENV += MACOSX_DEPLOYMENT_TARGET=$(MACOS_MIN_VERSION)
-	CARGO = $(CARGO_ENV) cargo +nightly
+	CARGO = $(CARGO_ENV) cargo
 	STRIP = strip -x -S $@
 	LIBS = -lmcp_ffi -framework CoreFoundation -framework Security -lresolv
 	TEST_LIBS = -lpthread -ldl -lm

README.md

@@ -52,7 +52,7 @@ See [API.md](API.md) for complete API documentation with examples.
 
 ### Requirements
 
-- **Rust**: Nightly toolchain (`rustup default nightly`)
+- **Rust**: 1.85+ toolchain
 - **C Compiler**: gcc or clang
 - **Make**: GNU Make