diff --git a/dist/restore/index.js b/dist/restore/index.js
index 42cc182..e8dfee2 100644
--- a/dist/restore/index.js
+++ b/dist/restore/index.js
@@ -86960,6 +86960,7 @@ var cache_lib_cache = __nccwpck_require__(7799);
 
 
 
+
 function reportError(e) {
     const { commandFailed } = e;
     if (commandFailed) {
@@ -87007,6 +87008,15 @@ function getCacheProvider() {
         cache: cache,
     };
 }
+async function utils_exists(path) {
+    try {
+        await external_fs_default().promises.access(path);
+        return true;
+    }
+    catch {
+        return false;
+    }
+}
 
 ;// CONCATENATED MODULE: ./src/workspace.ts
 
@@ -87018,25 +87028,30 @@ class Workspace {
         this.root = root;
         this.target = target;
     }
-    async getPackages() {
+    async getPackages(filter, ...extraArgs) {
         let packages = [];
         try {
             lib_core.debug(`collecting metadata for "${this.root}"`);
-            const meta = JSON.parse(await getCmdOutput("cargo", ["metadata", "--all-features", "--format-version", "1"], {
+            const meta = JSON.parse(await getCmdOutput("cargo", ["metadata", "--all-features", "--format-version", "1", ...extraArgs], {
                 cwd: this.root,
             }));
             lib_core.debug(`workspace "${this.root}" has ${meta.packages.length} packages`);
-            for (const pkg of meta.packages) {
-                if (pkg.manifest_path.startsWith(this.root)) {
-                    continue;
-                }
+            for (const pkg of meta.packages.filter(filter)) {
                 const targets = pkg.targets.filter((t) => t.kind.some((kind) => SAVE_TARGETS.has(kind))).map((t) => t.name);
                 packages.push({ name: pkg.name, version: pkg.version, targets, path: external_path_default().dirname(pkg.manifest_path) });
             }
         }
-        catch { }
+        catch (err) {
+            console.error(err);
+        }
         return packages;
     }
+    async getPackagesOutsideWorkspaceRoot() {
+        return await this.getPackages(pkg => !pkg.manifest_path.startsWith(this.root));
+    }
+    async getWorkspaceMembers() {
+        return await this.getPackages(_ => true, "--no-deps");
+    }
 }
 
 ;// CONCATENATED MODULE: ./src/config.ts
@@ -87152,7 +87167,8 @@ class CacheConfig {
         for (const workspace of workspaces) {
             const root = workspace.root;
             keyFiles.push(...(await globFiles(`${root}/**/.cargo/config.toml\n${root}/**/rust-toolchain\n${root}/**/rust-toolchain.toml`)));
-            const cargo_manifests = sort_and_uniq(await globFiles(`${root}/**/Cargo.toml`));
+            const workspaceMembers = await workspace.getWorkspaceMembers();
+            const cargo_manifests = sort_and_uniq(workspaceMembers.map(member => external_path_default().join(member.path, "Cargo.toml")));
             for (const cargo_manifest of cargo_manifests) {
                 try {
                     const content = await promises_default().readFile(cargo_manifest, { encoding: "utf8" });
@@ -87193,8 +87209,8 @@ class CacheConfig {
                     keyFiles.push(cargo_manifest);
                 }
             }
-            const cargo_locks = sort_and_uniq(await globFiles(`${root}/**/Cargo.lock`));
-            for (const cargo_lock of cargo_locks) {
+            const cargo_lock = external_path_default().join(workspace.root, "Cargo.lock");
+            if (await utils_exists(cargo_lock)) {
                 try {
                     const content = await promises_default().readFile(cargo_lock, { encoding: "utf8" });
                     const parsed = parse(content);
@@ -87357,6 +87373,7 @@ function sort_and_uniq(a) {
 
 
 
+
 async function cleanTargetDir(targetDir, packages, checkTimestamp = false) {
     lib_core.debug(`cleaning target directory "${targetDir}"`);
     // remove all *files* from the profile directory
@@ -87365,7 +87382,7 @@ async function cleanTargetDir(targetDir, packages, checkTimestamp = false) {
         if (dirent.isDirectory()) {
             let dirName = external_path_default().join(dir.path, dirent.name);
             // is it a profile dir, or a nested target dir?
-            let isNestedTarget = (await exists(external_path_default().join(dirName, "CACHEDIR.TAG"))) || (await exists(external_path_default().join(dirName, ".rustc_info.json")));
+            let isNestedTarget = (await utils_exists(external_path_default().join(dirName, "CACHEDIR.TAG"))) || (await utils_exists(external_path_default().join(dirName, ".rustc_info.json")));
             try {
                 if (isNestedTarget) {
                     await cleanTargetDir(dirName, packages, checkTimestamp);
@@ -87638,15 +87655,6 @@ async function rmRF(dirName) {
     core.debug(`deleting "${dirName}"`);
     await io.rmRF(dirName);
 }
-async function exists(path) {
-    try {
-        await external_fs_default().promises.access(path);
-        return true;
-    }
-    catch {
-        return false;
-    }
-}
 
 ;// CONCATENATED MODULE: ./src/restore.ts
 
diff --git a/dist/save/index.js b/dist/save/index.js
index cb46c0a..358f4aa 100644
--- a/dist/save/index.js
+++ b/dist/save/index.js
@@ -86960,6 +86960,7 @@ var cache_lib_cache = __nccwpck_require__(7799);
 
 
 
+
 function reportError(e) {
     const { commandFailed } = e;
     if (commandFailed) {
@@ -87007,6 +87008,15 @@ function getCacheProvider() {
         cache: cache,
     };
 }
+async function exists(path) {
+    try {
+        await external_fs_default().promises.access(path);
+        return true;
+    }
+    catch {
+        return false;
+    }
+}
 
 ;// CONCATENATED MODULE: ./src/workspace.ts
 
@@ -87018,25 +87028,30 @@ class Workspace {
         this.root = root;
         this.target = target;
     }
-    async getPackages() {
+    async getPackages(filter, ...extraArgs) {
         let packages = [];
         try {
             core.debug(`collecting metadata for "${this.root}"`);
-            const meta = JSON.parse(await getCmdOutput("cargo", ["metadata", "--all-features", "--format-version", "1"], {
+            const meta = JSON.parse(await getCmdOutput("cargo", ["metadata", "--all-features", "--format-version", "1", ...extraArgs], {
                 cwd: this.root,
             }));
             core.debug(`workspace "${this.root}" has ${meta.packages.length} packages`);
-            for (const pkg of meta.packages) {
-                if (pkg.manifest_path.startsWith(this.root)) {
-                    continue;
-                }
+            for (const pkg of meta.packages.filter(filter)) {
                 const targets = pkg.targets.filter((t) => t.kind.some((kind) => SAVE_TARGETS.has(kind))).map((t) => t.name);
                 packages.push({ name: pkg.name, version: pkg.version, targets, path: external_path_default().dirname(pkg.manifest_path) });
             }
         }
-        catch { }
+        catch (err) {
+            console.error(err);
+        }
         return packages;
     }
+    async getPackagesOutsideWorkspaceRoot() {
+        return await this.getPackages(pkg => !pkg.manifest_path.startsWith(this.root));
+    }
+    async getWorkspaceMembers() {
+        return await this.getPackages(_ => true, "--no-deps");
+    }
 }
 
 ;// CONCATENATED MODULE: ./src/config.ts
@@ -87152,7 +87167,8 @@ class CacheConfig {
         for (const workspace of workspaces) {
             const root = workspace.root;
             keyFiles.push(...(await globFiles(`${root}/**/.cargo/config.toml\n${root}/**/rust-toolchain\n${root}/**/rust-toolchain.toml`)));
-            const cargo_manifests = sort_and_uniq(await globFiles(`${root}/**/Cargo.toml`));
+            const workspaceMembers = await workspace.getWorkspaceMembers();
+            const cargo_manifests = sort_and_uniq(workspaceMembers.map(member => external_path_default().join(member.path, "Cargo.toml")));
             for (const cargo_manifest of cargo_manifests) {
                 try {
                     const content = await promises_default().readFile(cargo_manifest, { encoding: "utf8" });
@@ -87193,8 +87209,8 @@ class CacheConfig {
                     keyFiles.push(cargo_manifest);
                 }
             }
-            const cargo_locks = sort_and_uniq(await globFiles(`${root}/**/Cargo.lock`));
-            for (const cargo_lock of cargo_locks) {
+            const cargo_lock = external_path_default().join(workspace.root, "Cargo.lock");
+            if (await exists(cargo_lock)) {
                 try {
                     const content = await promises_default().readFile(cargo_lock, { encoding: "utf8" });
                     const parsed = parse(content);
@@ -87357,6 +87373,7 @@ function sort_and_uniq(a) {
 
 
 
+
 async function cleanTargetDir(targetDir, packages, checkTimestamp = false) {
     core.debug(`cleaning target directory "${targetDir}"`);
     // remove all *files* from the profile directory
@@ -87638,15 +87655,6 @@ async function rmRF(dirName) {
     core.debug(`deleting "${dirName}"`);
     await io.rmRF(dirName);
 }
-async function exists(path) {
-    try {
-        await external_fs_default().promises.access(path);
-        return true;
-    }
-    catch {
-        return false;
-    }
-}
 
 ;// CONCATENATED MODULE: ./src/save.ts
 
@@ -87678,7 +87686,7 @@ async function run() {
         await macOsWorkaround();
         const allPackages = [];
         for (const workspace of config.workspaces) {
-            const packages = await workspace.getPackages();
+            const packages = await workspace.getPackagesOutsideWorkspaceRoot();
             allPackages.push(...packages);
             try {
                 core.info(`... Cleaning ${workspace.target} ...`);
diff --git a/src/cleanup.ts b/src/cleanup.ts
index 854f404..56fe9b4 100644
--- a/src/cleanup.ts
+++ b/src/cleanup.ts
@@ -4,6 +4,7 @@ import fs from "fs";
 import path from "path";
 
 import { CARGO_HOME } from "./config";
+import { exists } from "./utils";
 import { Packages } from "./workspace";
 
 export async function cleanTargetDir(targetDir: string, packages: Packages, checkTimestamp = false) {
@@ -308,12 +309,3 @@ async function rmRF(dirName: string) {
   core.debug(`deleting "${dirName}"`);
   await io.rmRF(dirName);
 }
-
-async function exists(path: string) {
-  try {
-    await fs.promises.access(path);
-    return true;
-  } catch {
-    return false;
-  }
-}
diff --git a/src/config.ts b/src/config.ts
index 79045ed..2b24788 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -8,7 +8,7 @@ import path from "path";
 import * as toml from "smol-toml";
 
 import { getCargoBins } from "./cleanup";
-import { CacheProvider, getCmdOutput } from "./utils";
+import { CacheProvider, exists, getCmdOutput } from "./utils";
 import { Workspace } from "./workspace";
 
 const HOME = os.homedir();
@@ -142,7 +142,9 @@ export class CacheConfig {
         )),
       );
 
-      const cargo_manifests = sort_and_uniq(await globFiles(`${root}/**/Cargo.toml`));
+      const workspaceMembers = await workspace.getWorkspaceMembers();
+
+      const cargo_manifests = sort_and_uniq(workspaceMembers.map(member => path.join(member.path, "Cargo.toml")));
 
       for (const cargo_manifest of cargo_manifests) {
         try {
@@ -189,9 +191,8 @@ export class CacheConfig {
         }
       }
 
-      const cargo_locks = sort_and_uniq(await globFiles(`${root}/**/Cargo.lock`));
-
-      for (const cargo_lock of cargo_locks) {
+      const cargo_lock = path.join(workspace.root, "Cargo.lock");
+      if (await exists(cargo_lock)) {
         try {
           const content = await fs_promises.readFile(cargo_lock, { encoding: "utf8" });
           const parsed = toml.parse(content);
diff --git a/src/save.ts b/src/save.ts
index 927020d..939665a 100644
--- a/src/save.ts
+++ b/src/save.ts
@@ -36,7 +36,7 @@ async function run() {
 
     const allPackages = [];
     for (const workspace of config.workspaces) {
-      const packages = await workspace.getPackages();
+      const packages = await workspace.getPackagesOutsideWorkspaceRoot();
       allPackages.push(...packages);
       try {
         core.info(`... Cleaning ${workspace.target} ...`);
diff --git a/src/utils.ts b/src/utils.ts
index bb393f3..a276e5d 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -2,6 +2,7 @@ import * as core from "@actions/core";
 import * as exec from "@actions/exec";
 import * as buildjetCache from "@actions/buildjet-cache";
 import * as ghCache from "@actions/cache";
+import fs from "fs";
 
 export function reportError(e: any) {
   const { commandFailed } = e;
@@ -61,3 +62,12 @@ export function getCacheProvider(): CacheProvider {
     cache: cache,
   };
 }
+
+export async function exists(path: string) {
+  try {
+    await fs.promises.access(path);
+    return true;
+  } catch {
+    return false;
+  }
+}
diff --git a/src/workspace.ts b/src/workspace.ts
index b770fca..dec38e4 100644
--- a/src/workspace.ts
+++ b/src/workspace.ts
@@ -8,26 +8,33 @@ const SAVE_TARGETS = new Set(["lib", "proc-macro"]);
 export class Workspace {
   constructor(public root: string, public target: string) {}
 
-  public async getPackages(): Promise<Packages> {
+  async getPackages(filter: ((p: Meta['packages'][0]) => boolean), ...extraArgs: string[]): Promise<Packages> {
     let packages: Packages = [];
     try {
       core.debug(`collecting metadata for "${this.root}"`);
       const meta: Meta = JSON.parse(
-        await getCmdOutput("cargo", ["metadata", "--all-features", "--format-version", "1"], {
+        await getCmdOutput("cargo", ["metadata", "--all-features", "--format-version", "1", ...extraArgs], {
           cwd: this.root,
         }),
       );
       core.debug(`workspace "${this.root}" has ${meta.packages.length} packages`);
-      for (const pkg of meta.packages) {
-        if (pkg.manifest_path.startsWith(this.root)) {
-          continue;
-        }
+      for (const pkg of meta.packages.filter(filter)) {
         const targets = pkg.targets.filter((t) => t.kind.some((kind) => SAVE_TARGETS.has(kind))).map((t) => t.name);
         packages.push({ name: pkg.name, version: pkg.version, targets, path: path.dirname(pkg.manifest_path) });
       }
-    } catch {}
+    } catch (err) {
+      console.error(err);
+    }
     return packages;
   }
+
+  public async getPackagesOutsideWorkspaceRoot(): Promise<Packages> {
+    return await this.getPackages(pkg => !pkg.manifest_path.startsWith(this.root));
+  }
+
+  public async getWorkspaceMembers(): Promise<Packages> {
+    return await this.getPackages(_ => true, "--no-deps");
+  }
 }
 
 export interface PackageDefinition {