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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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Checking exercise-01 v0.1.0 (/opt/rustwide/workdir/crates/exercise-01)
[INFO] [stdout] error[E0599]: no method named `decorate` found for enum `Option<T>` 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:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     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] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise-02` (bin "b03") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/exercise-02/src/bin/b01.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout]  5 |         .add_ingredient("Flour")
[INFO] [stdout]    |          -------------- ^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]    |          |
[INFO] [stdout]    |          arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/crates/exercise-02/src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn add_ingredient(mut self, ingredient: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout]  5 |         .add_ingredient("Flour".to_string())
[INFO] [stdout]    |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/exercise-02/src/bin/b01.rs:6:25
[INFO] [stdout]    |
[INFO] [stdout]  6 |         .add_ingredient("Eggs")
[INFO] [stdout]    |          -------------- ^^^^^^ expected `String`, found `&str`
[INFO] [stdout]    |          |
[INFO] [stdout]    |          arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/crates/exercise-02/src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn add_ingredient(mut self, ingredient: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout]  6 |         .add_ingredient("Eggs".to_string())
[INFO] [stdout]    |                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> crates/exercise-02/src/bin/b01.rs:7:25
[INFO] [stdout]    |
[INFO] [stdout]  7 |         .add_ingredient("Sugar");
[INFO] [stdout]    |          -------------- ^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]    |          |
[INFO] [stdout]    |          arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/crates/exercise-02/src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn add_ingredient(mut self, ingredient: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout]  7 |         .add_ingredient("Sugar".to_string());
[INFO] [stdout]    |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `eat` found for struct `Cake<Raw>` in the current scope
[INFO] [stdout]   --> crates/exercise-02/src/bin/b01.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     cake.eat();
[INFO] [stdout]    |          ^^^ method not found in `Cake<Raw>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method was found for
[INFO] [stdout]            - `Cake<Baked>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise-02` (bin "b01") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4f9ba7cb2d56726c5718bad74aa33ce154601867045e091f7fcaf1cdb1073fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9ba7cb2d56726c5718bad74aa33ce154601867045e091f7fcaf1cdb1073fff", kill_on_drop: false }`
[INFO] [stdout] 4f9ba7cb2d56726c5718bad74aa33ce154601867045e091f7fcaf1cdb1073fff
