diff --git a/examples/world.json b/examples/world.json
index 31ca5b1..52a784e 100644
--- a/examples/world.json
+++ b/examples/world.json
@@ -7,9 +7,9 @@
   },
   "tasks": {
     "task_a": {
-      "up": { "command": "/usr//bin/touch ${HOME}/task_a_${yyyymmdd}" },
-      "down": { "command": "/bin/rm ${HOME}/task_a_${yyyymmdd}" },
-      "check": { "command": "/bin/test -e ${HOME}/task_a_${yyyymmdd}" },
+      "up": { "command": "/usr//bin/touch ${HOME}/task_a_${yyyymmdd}", "resources": { "cores": 1 } },
+      "down": { "command": "/bin/rm ${HOME}/task_a_${yyyymmdd}", "resources": { "cores": 1 } },
+      "check": { "command": "/bin/test -e ${HOME}/task_a_${yyyymmdd}", "resources": { "cores": 1 } },
 
       "provides": [ "task_a" ],
 
@@ -21,9 +21,9 @@
       "valid_to": "2022-01-08T09:00:00"
     },
     "task_b": {
-      "up": { "command": "/usr//bin/touch ${HOME}/task_b_${yyyymmdd}" },
-      "down": { "command": "/bin/rm ${HOME}/task_b_${yyyymmdd}" },
-      "check": { "command": "/bin/test -e ${HOME}/task_b_${yyyymmdd}" },
+      "up": { "command": "/usr//bin/touch ${HOME}/task_b_${yyyymmdd}", "resources": { "cores": 1 } },
+      "down": { "command": "/bin/rm ${HOME}/task_b_${yyyymmdd}", "resources": { "cores": 1 } },
+      "check": { "command": "/bin/test -e ${HOME}/task_b_${yyyymmdd}", "resources": { "cores": 1 } },
 
       "provides": [ "task_b" ],
       "requires": [ { "resource": "task_a", "offset": 0 } ],
diff --git a/src/bin/waterfallw/main.rs b/src/bin/waterfallw/main.rs
index 5fdc378..09dafa5 100644
--- a/src/bin/waterfallw/main.rs
+++ b/src/bin/waterfallw/main.rs
@@ -29,7 +29,8 @@ async fn submit_task(
 
     let submission = details.into_inner();
 
-    let (_, kill) = oneshot::channel();
+    // Need to keep this unused, otherwise the LE will kill it immediately
+    let (kill_tx, kill) = oneshot::channel();
     data.executor
         .send(ExecutorMessage::ExecuteTask {
             details: submission.details,
diff --git a/src/executors/agent_executor.rs b/src/executors/agent_executor.rs
index a9a4b04..64f94cb 100644
--- a/src/executors/agent_executor.rs
+++ b/src/executors/agent_executor.rs
@@ -69,8 +69,7 @@ impl AgentTarget {
 #[derive(Serialize, Deserialize, Clone, Debug)]
 struct AgentTaskDetail {
     /// The command and all arguments to run
-    #[serde(default)]
-    command: Vec<String>,
+    command: Cmd,
 
     /// Environment variables to set
     #[serde(default)]
@@ -142,6 +141,7 @@ async fn submit_task(
             }
         }
         Err(e) => {
+            warn!("Failed to submit task: {:?}", e);
             attempt.succeeded = false;
             attempt.infra_failure = true;
             attempt.executor.push(format!(
diff --git a/src/executors/local_executor.rs b/src/executors/local_executor.rs
index f81803d..0ed8fc8 100644
--- a/src/executors/local_executor.rs
+++ b/src/executors/local_executor.rs
@@ -13,24 +13,6 @@ use tokio::io::AsyncReadExt;
 
 type Environment = HashMap<String, Option<String>>;
 
-#[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(untagged)]
-enum Cmd {
-    Simple(String),
-    Split(Vec<String>),
-}
-
-impl Cmd {
-    fn generate(&self, varmap: &VarMap) -> Vec<String> {
-        let cmd = match self {
-            Cmd::Simple(s) => s.split_whitespace().map(|x| x.to_string()).collect(),
-            Cmd::Split(v) => v.clone(),
-        };
-
-        cmd.into_iter().map(|x| varmap.apply_to(&x)).collect()
-    }
-}
-
 /// Contains specifics on how to run a local task
 #[derive(Serialize, Deserialize, Clone, Debug)]
 struct LocalTaskDetail {
diff --git a/src/executors/mod.rs b/src/executors/mod.rs
index 7998530..b175225 100644
--- a/src/executors/mod.rs
+++ b/src/executors/mod.rs
@@ -30,6 +30,24 @@ fn default_bytes() -> usize {
     20480
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(untagged)]
+pub enum Cmd {
+    Simple(String),
+    Split(Vec<String>),
+}
+
+impl Cmd {
+    pub fn generate(&self, varmap: &VarMap) -> Vec<String> {
+        let cmd = match self {
+            Cmd::Simple(s) => s.split_whitespace().map(|x| x.to_string()).collect(),
+            Cmd::Split(v) => v.clone(),
+        };
+
+        cmd.into_iter().map(|x| varmap.apply_to(&x)).collect()
+    }
+}
+
 /// Options in how to handle task output. Some tasks can be quite
 /// verbose, and the output may not be needed.
 #[derive(Clone, Serialize, Deserialize, Copy, Debug, PartialEq, Hash, Eq)]