diff --git a/crates/nu-cmd-lang/src/core_commands/break_.rs b/crates/nu-cmd-lang/src/core_commands/break_.rs
index 4952dade1e..e3aa31c829 100644
--- a/crates/nu-cmd-lang/src/core_commands/break_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/break_.rs
@@ -39,6 +39,7 @@ impl Command for Break {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'break' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/const_.rs b/crates/nu-cmd-lang/src/core_commands/const_.rs
index ca0cf787a2..9517a53dd2 100644
--- a/crates/nu-cmd-lang/src/core_commands/const_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/const_.rs
@@ -48,6 +48,7 @@ impl Command for Const {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'const' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/continue_.rs b/crates/nu-cmd-lang/src/core_commands/continue_.rs
index 27b550ee56..e52095cb2b 100644
--- a/crates/nu-cmd-lang/src/core_commands/continue_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/continue_.rs
@@ -38,6 +38,7 @@ impl Command for Continue {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'continue' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/for_.rs b/crates/nu-cmd-lang/src/core_commands/for_.rs
index 7f37b5dc41..c0f45f0185 100644
--- a/crates/nu-cmd-lang/src/core_commands/for_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/for_.rs
@@ -50,6 +50,7 @@ impl Command for For {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'for' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/if_.rs b/crates/nu-cmd-lang/src/core_commands/if_.rs
index e787dcf6e4..0b7463d4f1 100644
--- a/crates/nu-cmd-lang/src/core_commands/if_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/if_.rs
@@ -100,6 +100,7 @@ impl Command for If {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'if' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/let_.rs b/crates/nu-cmd-lang/src/core_commands/let_.rs
index 40614e4fa3..47448dfdef 100644
--- a/crates/nu-cmd-lang/src/core_commands/let_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/let_.rs
@@ -48,6 +48,7 @@ impl Command for Let {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'let' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/loop_.rs b/crates/nu-cmd-lang/src/core_commands/loop_.rs
index 8804766129..a07b316476 100644
--- a/crates/nu-cmd-lang/src/core_commands/loop_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/loop_.rs
@@ -39,6 +39,7 @@ impl Command for Loop {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'loop' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/match_.rs b/crates/nu-cmd-lang/src/core_commands/match_.rs
index a36c64e917..db2bc2e1f0 100644
--- a/crates/nu-cmd-lang/src/core_commands/match_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/match_.rs
@@ -43,6 +43,7 @@ impl Command for Match {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'match' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/mut_.rs b/crates/nu-cmd-lang/src/core_commands/mut_.rs
index a5feacfd85..04e554e226 100644
--- a/crates/nu-cmd-lang/src/core_commands/mut_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/mut_.rs
@@ -48,6 +48,7 @@ impl Command for Mut {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'mut' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/return_.rs b/crates/nu-cmd-lang/src/core_commands/return_.rs
index 114d6e796a..b3571ee8a8 100644
--- a/crates/nu-cmd-lang/src/core_commands/return_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/return_.rs
@@ -42,6 +42,7 @@ impl Command for Return {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'return' command: this code path should never be reached in IR mode");
         unreachable!()
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/try_.rs b/crates/nu-cmd-lang/src/core_commands/try_.rs
index b99255337b..4b35a54974 100644
--- a/crates/nu-cmd-lang/src/core_commands/try_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/try_.rs
@@ -49,6 +49,7 @@ impl Command for Try {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'try' command: this code path should never be reached in IR mode");
         unreachable!();
     }
 
diff --git a/crates/nu-cmd-lang/src/core_commands/while_.rs b/crates/nu-cmd-lang/src/core_commands/while_.rs
index b8a63f6c35..ac5d13a881 100644
--- a/crates/nu-cmd-lang/src/core_commands/while_.rs
+++ b/crates/nu-cmd-lang/src/core_commands/while_.rs
@@ -48,6 +48,7 @@ impl Command for While {
     ) -> Result<PipelineData, ShellError> {
         // This is compiled specially by the IR compiler. The code here is never used when
         // running in IR mode.
+        eprintln!("Tried to execute 'run' for the 'while' command: this code path should never be reached in IR mode");
         unreachable!()
     }