Disable testing that thumbv6m-none-eabi builds properly

ci/build.sh

@@ -172,6 +172,8 @@ done
 
 # FIXME: https://github.com/rust-lang/rust/issues/58564
 # sparc-unknown-linux-gnu
+# FIXME: https://github.com/rust-lang/rust/issues/62932
+# thumbv6m-none-eabi
 RUST_LINUX_NO_CORE_TARGETS="\
 aarch64-pc-windows-msvc \
 aarch64-unknown-cloudabi \
@@ -199,7 +201,7 @@ powerpc64-unknown-freebsd \
 riscv32imac-unknown-none-elf \
 riscv32imc-unknown-none-elf \
 sparc64-unknown-netbsd \
-thumbv6m-none-eabi \
+
 thumbv7em-none-eabi \
 thumbv7em-none-eabihf \
 thumbv7m-none-eabi \