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[INFO] [stdout] 6737447e47b1f5180b169d36c8d427e2118d12c6
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[INFO] [stdout] warning: unused variable: `book`
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fill_stock(&mut self, book: Book, amount: u32) {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_book`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fill_stock(&mut self, book: Book, amount: u32) {
[INFO] [stdout]    |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `book`
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn lend(&mut self, book: &Book) -> Result<(), LibraryError> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_book`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `book`
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn take_back(&mut self, book: &Book) -> Result<(), LibraryError> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_book`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `book`
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn get_overall_amount(&self, book: &Book) -> Option<u32> {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_book`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `book`
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn get_lent_amount(&self, book: &Book) -> Option<u32> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_book`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `overall` and `lent` are never read
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Stock {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 12 |     overall: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     lent: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stock` is never read
[INFO] [stdout]   --> crates/exercise-03/src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Library {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 23 |     stock: HashMap<Book, Stock>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `decorate` found for enum `Option` in the current scope
[INFO] [stdout]   --> crates/exercise-02/src/bin/b03.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |       let decorated_cake = baked_cake
[INFO] [stdout]    |  __________________________-
[INFO] [stdout] 17 | |         .decorate("Cream".to_string())
[INFO] [stdout]    | |         -^^^^^^^^ method not found in `Option<Cake<Baked>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout] note: the method `decorate` exists on the type `Cake<Baked>`
[INFO] [stdout]   --> /opt/rustwide/workdir/crates/exercise-02/src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn decorate(mut self, decoration: String) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Cake<Baked>` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let decorated_cake = baked_cake.expect("REASON")
[INFO] [stdout]    |                                    +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise-02` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Cake<Raw>` doesn't implement `Debug`
[INFO] [stdout]   --> crates/exercise-02/src/bin/b02.rs:16:43
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("This will be a yummy cake: {cake:?}!");
[INFO] [stdout]    |                                           ^^^^ `Cake<Raw>` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Cake<Raw>`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise-02` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f2013239640399b70c4a717285b7b5683f362dd47a1192241e7060353237331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2013239640399b70c4a717285b7b5683f362dd47a1192241e7060353237331", kill_on_drop: false }`
[INFO] [stdout] 4f2013239640399b70c4a717285b7b5683f362dd47a1192241e7060353237331
