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[INFO] [stdout] error: expected type, found `"not yet implemented"`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get(&self, id: TicketId) -> Option<todo!()> {
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               expected type
[INFO] [stdout]    |                                               in this macro invocation
[INFO] [stdout]    |                                               this macro call doesn't expand to a type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrySendError`
[INFO] [stdout]  --> exercises/07_threads/11_locks/src/lib.rs:4:59
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         todo!();
[INFO] [stdout]    |         ------- any code following this expression is unreachable
[INFO] [stdout] 32 |         id
[INFO] [stdout]    |         ^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:79:47
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = response_channel.send(ticket);
[INFO] [stdout]    |                                          ---- ^^^^^^ expected `Option<Arc<Mutex<Ticket>>>`, found `Option<()>`
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Arc<std::sync::Mutex<Ticket>>>`
[INFO] [stdout]               found enum `Option<()>`
[INFO] [stdout] help: the return type of this call is `Option<()>` due to the type of the argument passed
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = response_channel.send(ticket);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this argument influences the return type of `send`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/12f35ad39ed3e39df4d953c46d4f6cc6c82adc96/library/std/src/sync/mpsc.rs:696:11
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ticket`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let ticket = Ticket {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/store.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get(&self, id: TicketId) -> Option<todo!()> {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `locks` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cd540298ad7165def63ef29b08c584b65f364941b1c314ca082949d6a9547b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd540298ad7165def63ef29b08c584b65f364941b1c314ca082949d6a9547b0b", kill_on_drop: false }`
[INFO] [stdout] cd540298ad7165def63ef29b08c584b65f364941b1c314ca082949d6a9547b0b
