2 files changed, 3 insertions, 4 deletions

diff --git a/crates/ra_lsp_server/src/cargo_target_spec.rs b/crates/ra_lsp_server/src/cargo_target_spec.rs
index 5fd1e7b6b..56d3f0de4 100644
--- a/crates/ra_lsp_server/src/cargo_target_spec.rs
+++ b/crates/ra_lsp_server/src/cargo_target_spec.rs
@@ -6,11 +6,9 @@ use ra_project_model::{self, ProjectWorkspace, TargetKind};
 use crate::{world::WorldSnapshot, Result};
 
 pub(crate) fn runnable_args(
-    world: &WorldSnapshot,
-    file_id: FileId,
+    spec: Option<CargoTargetSpec>,
     kind: &RunnableKind,
 ) -> Result<Vec<String>> {
-    let spec = CargoTargetSpec::for_file(world, file_id)?;
     let mut res = Vec::new();
     match kind {
         RunnableKind::Test { test_id } => {
diff --git a/crates/ra_lsp_server/src/main_loop/handlers.rs b/crates/ra_lsp_server/src/main_loop/handlers.rs
index ae51141cb..833f31d96 100644
--- a/crates/ra_lsp_server/src/main_loop/handlers.rs
+++ b/crates/ra_lsp_server/src/main_loop/handlers.rs
@@ -921,7 +921,8 @@ fn to_lsp_runnable(
     file_id: FileId,
     runnable: Runnable,
 ) -> Result<req::Runnable> {
-    let args = runnable_args(world, file_id, &runnable.kind)?;
+    let spec: Option<CargoTargetSpec> = CargoTargetSpec::for_file(world, file_id)?;
+    let args = runnable_args(spec, &runnable.kind)?;
     let line_index = world.analysis().file_line_index(file_id)?;
     let label = match &runnable.kind {
         RunnableKind::Test { test_id } => format!("test {}", test_id),