build: Deny clippy::absolute_paths

Removal of absolute paths is currently in progress. To avoid regressing
those changes add a clippy deny at the workspace level and at the crate
level override with #[expect(clippy::absolute_paths)]

See: #7670

Signed-off-by: Rob Bradford <rbradford@meta.com>

cloud-hypervisor/src/bin/ch-remote.rs

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// TODO: Trim qualified paths in this crate, then drop this expectation.
+#![expect(clippy::absolute_paths)]
+
 #[cfg(test)]
 #[path = "../test_util.rs"]
 mod test_util;

cloud-hypervisor/src/lib.rs

@@ -2,6 +2,9 @@
 //
 // SPDX-License-Identifier: Apache-2.0
 
+// TODO: Trim qualified paths in this crate, then drop this expectation.
+#![expect(clippy::absolute_paths)]
+
 use std::error::Error;
 
 use log::error;

cloud-hypervisor/src/main.rs

@@ -3,6 +3,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+// TODO: Trim qualified paths in this crate, then drop this expectation.
+#![expect(clippy::absolute_paths)]
+
 mod logger;
 #[cfg(test)]
 mod test_util;

cloud-hypervisor/tests/integration.rs

@@ -4,6 +4,8 @@
 //
 #![cfg(any(devcli_testenv, clippy))]
 #![allow(clippy::undocumented_unsafe_blocks)]
+// TODO: Trim qualified paths in this crate, then drop this expectation.
+#![expect(clippy::absolute_paths)]
 // When enabling the `mshv` feature, we skip quite some tests and
 // hence have known dead-code. This annotation silences dead-code
 // related warnings for our quality workflow to pass.

cloud-hypervisor/tests/integration_cvm.rs

@@ -4,6 +4,8 @@
 //
 #![cfg(any(devcli_testenv, clippy))]
 #![allow(clippy::undocumented_unsafe_blocks)]
+// TODO: Trim qualified paths in this crate, then drop this expectation.
+#![expect(clippy::absolute_paths)]
 // When enabling the `mshv` feature, we skip quite some tests and
 // hence have known dead-code. This annotation silences dead-code
 // related warnings for our quality workflow to pass.