1 files changed, 27 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt b/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt
new file mode 100644
index 000000000..437d74b5c
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+++ b/src/doc/book/listings/ch15-smart-pointers/listing-15-03/output.txt
@@ -0,0 +1,27 @@
+$ cargo run
+   Compiling cons-list v0.1.0 (file:///projects/cons-list)
+error[E0072]: recursive type `List` has infinite size
+ --> src/main.rs:1:1
+  |
+1 | enum List {
+  | ^^^^^^^^^ recursive type has infinite size
+2 |     Cons(i32, List),
+  |               ---- recursive without indirection
+  |
+help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `List` representable
+  |
+2 |     Cons(i32, Box<List>),
+  |               ++++    +
+
+error[E0391]: cycle detected when computing drop-check constraints for `List`
+ --> src/main.rs:1:1
+  |
+1 | enum List {
+  | ^^^^^^^^^
+  |
+  = note: ...which immediately requires computing drop-check constraints for `List` again
+  = note: cycle used when computing dropck types for `Canonical { max_universe: U0, variables: [], value: ParamEnvAnd { param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst }, value: List } }`
+
+Some errors have detailed explanations: E0072, E0391.
+For more information about an error, try `rustc --explain E0072`.
+error: could not compile `cons-list` due to 2 previous errors