Shrink published Rust debug info

src/agent/Cargo.toml

@@ -22,4 +22,9 @@ members = [
 
 [profile.release]
 lto = "thin"
-debug = true
+# Per https://fasterthanli.me/articles/why-is-my-rust-build-so-slow:
+# In Cargo.toml, debug = true actually means debug = 2, and it's usually overkill,
+# unless you're doing the sort of debugging where you need to be able to inspect
+#  the value of local variables for example.
+# If all you're after is a stack trace, debug = 1 is good enough.
+debug = 1

src/ci/agent.sh

@@ -49,6 +49,13 @@ echo "Checking dependencies of binaries"
 
 "$script_dir/check-dependencies.sh"
 
+if [ "$(uname)" == 'Linux' ]; then
+    echo "Compressing debug symbols"
+    objcopy --compress-debug-sections target/release/onefuzz-task
+    objcopy --compress-debug-sections target/release/onefuzz-agent
+    objcopy --compress-debug-sections target/release/srcview
+fi
+
 echo "Copying artifacts to $output_dir"
 
 cp target/release/onefuzz-task* "$output_dir"