test riscv with rustc 1.74

Author: Emilgardis

ci/test.sh

@@ -48,6 +48,10 @@ main() {
         # don't use xargo: should have native support just from rustc
         rustup toolchain add nightly
         CROSS+=("+nightly")
+    elif (( "${TARGET}" != "riscv64gc-unknown-linux-gnu" )); then
+        # FIXME: riscv64gc-unknown-linux-gnu is broken on rustc 1.75, see https://github.com/cross-rs/cross/issues/1423
+        rustup toolchain add 1.74
+        CROSS+=("+1.74")
     fi
 
     if (( ${STD:-0} )); then
@@ -89,6 +93,7 @@ main() {
         popd
 
         rm -rf "${td}"
+    # thumb targets are tested in later steps
     elif [[ "${TARGET}" != thumb* ]]; then
         td=$(mkcargotemp -d)