ci: Increase rust.debuginfo-level-tests to 2 in x86_64-gnu-debug job

Simply to increase the scope of the testing.

Force debuginfo=0 for a handful of tests so that we can have CI prevent
regressing on more tests.

Author: Enselic

src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile

@@ -38,7 +38,7 @@ ENV RUST_CONFIGURE_ARGS \
       --build=x86_64-unknown-linux-gnu \
       --enable-debug \
       --enable-lld \
-      --set rust.debuginfo-level-tests=1 \
+      --set rust.debuginfo-level-tests=2 \
       --set llvm.use-linker=lld \
       --set target.x86_64-unknown-linux-gnu.linker=clang \
       --set target.x86_64-unknown-linux-gnu.cc=clang \

tests/ui/async-await/future-sizes/async-awaiting-fut.rs

@@ -1,3 +1,5 @@
+// FIXME(#61117): Respect debuginfo-level-tests, do not force debuginfo=0
+//@ compile-flags: -C debuginfo=0
 //@ compile-flags: -C panic=abort -Z print-type-sizes --crate-type lib
 //@ needs-deterministic-layouts
 //@ edition:2021

tests/ui/async-await/future-sizes/large-arg.rs

@@ -1,3 +1,5 @@
+// FIXME(#61117): Respect debuginfo-level-tests, do not force debuginfo=0
+//@ compile-flags: -C debuginfo=0
 //@ compile-flags: -C panic=abort -Z print-type-sizes --crate-type=lib
 //@ needs-deterministic-layouts
 //@ edition: 2021

tests/ui/consts/required-consts/collect-in-promoted-const.rs

@@ -1,6 +1,8 @@
 //@revisions: noopt opt
 //@ build-fail
 //@[noopt] compile-flags: -Copt-level=0
+// FIXME(#61117): Respect debuginfo-level-tests, do not force debuginfo=0
+//@[opt] compile-flags: -C debuginfo=0
 //@[opt] compile-flags: -O
 //! Make sure we error on erroneous consts even if they get promoted.
 

tests/ui/print_type_sizes/async.rs

@@ -1,3 +1,5 @@
+// FIXME(#61117): Respect debuginfo-level-tests, do not force debuginfo=0
+//@ compile-flags: -C debuginfo=0
 //@ compile-flags: -C panic=abort -Z print-type-sizes --crate-type lib
 //@ needs-deterministic-layouts
 //@ edition:2021