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[INFO] [stdout] 9ac05b297a4025a175624ccd6e3f15754c89d5d2
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[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling pulldown-cmark v0.11.0
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[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking either v1.13.0
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[INFO] [stderr]     Checking axum-core v0.5.2
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[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages)
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Migrating exercises/05_ticket_v2/10_packages/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]    Migrating exercises/04_traits/14_outro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stderr]    Migrating exercises/04_traits/14_outro/tests/integration.rs from 2021 edition to 2024
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking opener v0.7.1
[INFO] [stderr]    Migrating exercises/05_ticket_v2/09_error_trait/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/03_ticket_v1/12_outro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v15.0.1
[INFO] [stderr]    Migrating exercises/05_ticket_v2/10_packages/src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/12_outro/tests/integration.rs from 2021 edition to 2024
[INFO] [stderr]     Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/11_dependencies/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/06_fallibility/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/04_traits/06_str_slice/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data)
[INFO] [stderr]     Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters)
[INFO] [stderr]     Checking error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/03_variants_with_data/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/07_setters/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability)
[INFO] [stderr]     Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/08_error_enums/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/03_ticket_v1/02_validation/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum)
[INFO] [stderr]     Checking intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/05_nullability/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/05_ticket_v2/07_unwrap/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking tryfrom v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/13_try_from)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/01_enum/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop)
[INFO] [stderr]    Migrating exercises/08_futures/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/13_try_from/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else)
[INFO] [stderr]    Migrating exercises/04_traits/13_drop/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking panics v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/04_panics)
[INFO] [stderr]    Migrating exercises/04_traits/05_trait_bounds/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/02_basic_calculator/03_if_else/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices)
[INFO] [stderr]    Migrating exercises/02_basic_calculator/04_panics/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while)
[INFO] [stderr]     Checking references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory)
[INFO] [stderr]    Migrating exercises/06_ticket_management/11_mutable_slices/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync)
[INFO] [stderr]    Migrating exercises/02_basic_calculator/06_while/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/03_ticket_v1/10_references_in_memory/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec)
[INFO] [stderr]    Migrating exercises/07_threads/14_sync/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait)
[INFO] [stderr]     Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads)
[INFO] [stderr]    Migrating exercises/06_ticket_management/02_vec/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static)
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Migrating exercises/04_traits/01_trait/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Migrating exercises/07_threads/04_scoped_threads/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling html5ever v0.27.0
[INFO] [stderr]    Migrating exercises/07_threads/02_static/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling pest v2.7.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.13
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking clap_complete v4.5.12
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pest_meta v2.7.11
[INFO] [stderr]     Checking source v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/14_source)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/14_source/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax)
[INFO] [stderr]    Migrating exercises/01_intro/01_syntax/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/03_modules/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive)
[INFO] [stderr]     Checking thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror)
[INFO] [stderr]    Migrating exercises/04_traits/04_derive/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/05_ticket_v2/12_thiserror/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro)
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]     Checking clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone)
[INFO] [stderr]    Migrating exercises/05_ticket_v2/15_outro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro)
[INFO] [stderr]    Compiling pest_generator v2.7.11
[INFO] [stderr]     Checking leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak)
[INFO] [stderr]    Migrating exercises/04_traits/11_clone/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for)
[INFO] [stderr]    Migrating exercises/07_threads/03_leak/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation)
[INFO] [stderr]    Migrating exercises/02_basic_calculator/07_for/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/05_encapsulation/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/04_traits/07_deref/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial)
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]    Migrating exercises/02_basic_calculator/05_factorial/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking spawn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/02_spawn)
[INFO] [stderr]    Migrating exercises/08_futures/02_spawn/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking runtime v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/03_runtime)
[INFO] [stderr]    Migrating exercises/08_futures/03_runtime/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking blocking v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/05_blocking)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/08_futures/02_spawn/src/lib.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |         while let Some(outcome) = join_set.join_next().await {
[INFO] [stdout]    |                        -------    --------------------------
[INFO] [stdout]    |                        |          |                    |
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                        |          |                    `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        |          `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |          `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `outcome` calls a custom destructor
[INFO] [stdout]    |                        `outcome` will be dropped later as of Edition 2024
[INFO] [stdout] 68 |             if let Err(e) = outcome {
[INFO] [stdout] 69 |                 if let Ok(reason) = e.try_into_panic() {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                     up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 72 |             }
[INFO] [stdout]    |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `outcome` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/08_futures/02_spawn/src/lib.rs:67:35
[INFO] [stdout]    |
[INFO] [stdout] 67 |         while let Some(outcome) = join_set.join_next().await {
[INFO] [stdout]    |                        -------    ^^^^^^^^^^^^^^^^^^^^^-----
[INFO] [stdout]    |                        |          |                    |
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]    |                        |          |                    up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                        |          |                    `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        |          this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                        |          up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |          `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |          `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `outcome` calls a custom destructor
[INFO] [stdout]    |                        `outcome` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 73 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `outcome` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/08_futures/03_runtime/src/lib.rs:80:37
[INFO] [stdout]    |
[INFO] [stdout] 78 |         while let Some(outcome) = join_set.join_next().await {
[INFO] [stdout]    |                        -------    --------------------------
[INFO] [stdout]    |                        |          |                    |
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                        |          |                    `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        |          `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |          `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `outcome` calls a custom destructor
[INFO] [stdout]    |                        `outcome` will be dropped later as of Edition 2024
[INFO] [stdout] 79 |             if let Err(e) = outcome {
[INFO] [stdout] 80 |                 if let Ok(reason) = e.try_into_panic() {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                     up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 83 |             }
[INFO] [stdout]    |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `outcome` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/08_futures/05_blocking/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking cancellation v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/07_cancellation)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/08_futures/03_runtime/src/lib.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |         while let Some(outcome) = join_set.join_next().await {
[INFO] [stdout]    |                        -------    ^^^^^^^^^^^^^^^^^^^^^-----
[INFO] [stdout]    |                        |          |                    |
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]    |                        |          |                    up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                        |          |                    `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        |          this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                        |          up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |          `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |          `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `outcome` calls a custom destructor
[INFO] [stdout]    |                        `outcome` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 84 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `outcome` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking async_locks v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/06_async_aware_primitives)
[INFO] [stderr]     Checking future v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/04_future)
[INFO] [stderr]    Migrating exercises/08_futures/07_cancellation/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking async_fn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/01_async_fn)
[INFO] [stderr]    Migrating exercises/08_futures/06_async_aware_primitives/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> exercises/08_futures/06_async_aware_primitives/src/lib.rs:18:28
[INFO] [stdout]     |
[INFO] [stdout]  16 |   pub async fn pong(mut receiver: mpsc::Receiver<Message>) {
[INFO] [stdout]     |                     ------------
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     `receiver` calls a custom destructor
[INFO] [stdout]     |                     `receiver` will be dropped later as of Edition 2024
[INFO] [stdout]  17 |       loop {
[INFO] [stdout]  18 |           if let Some(msg) = receiver.recv().await {
[INFO] [stdout]     |                       ---    ^^^^^^^^^^^^^^^^-----
[INFO] [stdout]     |                       |      |               |
[INFO] [stdout]     |                       |      |               this value will be stored in a temporary; let us call it `#6`
[INFO] [stdout]     |                       |      |               up until Edition 2021 `#6` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       |      |               this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                       |      |               `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |                       |      this value will be stored in a temporary; let us call it `#5`
[INFO] [stdout]     |                       |      up until Edition 2021 `#5` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       |      `__awaitee` calls a custom destructor
[INFO] [stdout]     |                       |      `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]     |                       `msg` calls a custom destructor
[INFO] [stdout]     |                       `msg` will be dropped later as of Edition 2024
[INFO] [stdout]  19 |               println!("Pong received: {}", msg.payload);
[INFO] [stdout]  20 |               let (sender, new_receiver) = mpsc::channel(1);
[INFO] [stdout]     |                            ------------    ----------------
[INFO] [stdout]     |                            |               |
[INFO] [stdout]     |                            |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                            |               `#2` will be dropped later as of Edition 2024
[INFO] [stdout]     |                            `new_receiver` calls a custom destructor
[INFO] [stdout]     |                            `new_receiver` will be dropped later as of Edition 2024
[INFO] [stdout]  21 | /             msg.response_channel
[INFO] [stdout]  22 | |                 .send(Message {
[INFO] [stdout]  23 | |                     payload: "pong".into(),
[INFO] [stdout]  24 | |                     response_channel: sender,
[INFO] [stdout]  25 | |                 })
[INFO] [stdout]  26 | |                 .await
[INFO] [stdout]     | |                  -----
[INFO] [stdout]     | |                  |   |
[INFO] [stdout]     | |__________________|___this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                    |   `#3` will be dropped later as of Edition 2024
[INFO] [stdout]     |                    this value will be stored in a temporary; let us call it `#4`
[INFO] [stdout]     |                    `#4` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  30 |       }
[INFO] [stdout]     |       - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#5` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `receiver` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl<T, S: Semaphore> Drop for Rx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `msg` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `new_receiver` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl<T, S: Semaphore> Drop for Rx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl<T, S: Semaphore> Drop for Rx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#4` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/08_futures/04_future/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/08_futures/01_async_fn/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> exercises/08_futures/06_async_aware_primitives/src/lib.rs:18:28
[INFO] [stdout]     |
[INFO] [stdout]  16 |   pub async fn pong(mut receiver: mpsc::Receiver<Message>) {
[INFO] [stdout]     |                     ------------
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     `receiver` calls a custom destructor
[INFO] [stdout]     |                     `receiver` will be dropped later as of Edition 2024
[INFO] [stdout]  17 |       loop {
[INFO] [stdout]  18 |           if let Some(msg) = receiver.recv().await {
[INFO] [stdout]     |                       ---    ^^^^^^^^^^^^^^^^-----
[INFO] [stdout]     |                       |      |               |
[INFO] [stdout]     |                       |      |               this value will be stored in a temporary; let us call it `#6`
[INFO] [stdout]     |                       |      |               up until Edition 2021 `#6` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       |      |               this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                       |      |               `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |                       |      this value will be stored in a temporary; let us call it `#5`
[INFO] [stdout]     |                       |      up until Edition 2021 `#5` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       |      `__awaitee` calls a custom destructor
[INFO] [stdout]     |                       |      `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]     |                       `msg` calls a custom destructor
[INFO] [stdout]     |                       `msg` will be dropped later as of Edition 2024
[INFO] [stdout]  19 |               println!("Pong received: {}", msg.payload);
[INFO] [stdout]  20 |               let (sender, new_receiver) = mpsc::channel(1);
[INFO] [stdout]     |                            ------------    ----------------
[INFO] [stdout]     |                            |               |
[INFO] [stdout]     |                            |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                            |               `#2` will be dropped later as of Edition 2024
[INFO] [stdout]     |                            `new_receiver` calls a custom destructor
[INFO] [stdout]     |                            `new_receiver` will be dropped later as of Edition 2024
[INFO] [stdout]  21 | /             msg.response_channel
[INFO] [stdout]  22 | |                 .send(Message {
[INFO] [stdout]  23 | |                     payload: "pong".into(),
[INFO] [stdout]  24 | |                     response_channel: sender,
[INFO] [stdout]  25 | |                 })
[INFO] [stdout]  26 | |                 .await
[INFO] [stdout]     | |                  -----
[INFO] [stdout]     | |                  |   |
[INFO] [stdout]     | |__________________|___this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                    |   `#3` will be dropped later as of Edition 2024
[INFO] [stdout]     |                    this value will be stored in a temporary; let us call it `#4`
[INFO] [stdout]     |                    `#4` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  30 |       }
[INFO] [stdout]     |       - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#5` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `receiver` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl<T, S: Semaphore> Drop for Rx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `msg` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `new_receiver` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl<T, S: Semaphore> Drop for Rx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:485:1
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl<T, S: Semaphore> Drop for Rx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#4` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/sync/mpsc/chan.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pest_derive v2.7.11
[INFO] [stderr]     Checking as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/08_futures/05_blocking/src/lib.rs:69:37
[INFO] [stdout]    |
[INFO] [stdout] 67 |         while let Some(outcome) = join_set.join_next().await {
[INFO] [stdout]    |                        -------    --------------------------
[INFO] [stdout]    |                        |          |                    |
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                        |          |                    `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        |          `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |          `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `outcome` calls a custom destructor
[INFO] [stdout]    |                        `outcome` will be dropped later as of Edition 2024
[INFO] [stdout] 68 |             if let Err(e) = outcome {
[INFO] [stdout] 69 |                 if let Ok(reason) = e.try_into_panic() {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                     up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 72 |             }
[INFO] [stdout]    |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `outcome` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/08_futures/05_blocking/src/lib.rs:67:35
[INFO] [stdout]    |
[INFO] [stdout] 67 |         while let Some(outcome) = join_set.join_next().await {
[INFO] [stdout]    |                        -------    ^^^^^^^^^^^^^^^^^^^^^-----
[INFO] [stdout]    |                        |          |                    |
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]    |                        |          |                    up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |          |                    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                        |          |                    `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        |          this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                        |          up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |          `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |          `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `outcome` calls a custom destructor
[INFO] [stdout]    |                        `outcome` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 73 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `outcome` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro)
[INFO] [stderr]     Checking from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from)
[INFO] [stderr]     Checking stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack)
[INFO] [stderr]    Migrating exercises/02_basic_calculator/10_as_casting/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let)
[INFO] [stderr]     Checking orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule)
[INFO] [stderr]    Migrating exercises/02_basic_calculator/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic)
[INFO] [stderr]    Migrating exercises/04_traits/09_from/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/03_ticket_v1/08_stack/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/05_ticket_v2/04_if_let/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability)
[INFO] [stderr]    Migrating exercises/04_traits/02_orphan_rule/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor)
[INFO] [stderr]    Migrating exercises/04_traits/10_assoc_vs_generic/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro)
[INFO] [stderr]     Checking overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading)
[INFO] [stderr]     Checking struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct)
[INFO] [stderr]    Migrating exercises/07_threads/06_interior_mutability/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/03_ticket_v1/11_destructor/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/05_ticket_v2/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/04_traits/03_operator_overloading/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility)
[INFO] [stderr]     Checking copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/01_struct/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields)
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]    Migrating exercises/03_ticket_v1/04_visibility/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]    Migrating exercises/04_traits/12_copy/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating helpers/ticket_fields/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking patch v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/10_patch)
[INFO] [stderr]     Checking locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks)
[INFO] [stderr]    Migrating exercises/07_threads/10_patch/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking response v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/07_ack)
[INFO] [stderr]    Migrating exercises/07_threads/11_locks/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> exercises/07_threads/10_patch/src/lib.rs:78:15
[INFO] [stdout]     |
[INFO] [stdout]  78 |         match receiver.recv() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |               up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  81 |                 response_channel,
[INFO] [stdout]     |                 ----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `response_channel` calls a custom destructor
[INFO] [stdout]     |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  88 |                 response_channel,
[INFO] [stdout]     |                 ----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  95 |                 response_channel,
[INFO] [stdout]     |                 ----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                 `#2` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 116 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/08_client)
[INFO] [stderr]    Migrating exercises/07_threads/07_ack/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 69 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 76 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 87 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/07_threads/08_client/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/07_ack/src/lib.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |                 response_sender,
[INFO] [stdout]    |                 ---------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_sender` calls a custom destructor
[INFO] [stdout]    |                 `response_sender` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 42 |                 response_sender,
[INFO] [stdout]    |                 ---------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 52 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_sender` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/05_channels)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/08_client/src/lib.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 65 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 72 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 83 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/07_threads/09_bounded/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 65 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 72 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 83 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/07_threads/12_rw_lock/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/05_channels/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 65 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 68 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 75 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 86 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking handlebars v5.1.2
[INFO] [stderr]    Migrating exercises/07_threads/13_without_channels/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking elasticlunr-rs v3.0.2
[INFO] [stderr]    Migrating exercises/07_threads/09_bounded/tests/insert.rs from 2021 edition to 2024
[INFO] [stderr]     Checking axum v0.8.4
[INFO] [stderr]    Migrating exercises/07_threads/12_rw_lock/tests/check.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/13_without_channels/tests/check.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/05_channels/tests/insert.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/08_client/tests/insert.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/07_ack/tests/insert.rs from 2021 edition to 2024
[INFO] [stderr]     Checking two_states v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/12_two_states)
[INFO] [stderr]    Migrating exercises/07_threads/11_locks/tests/check.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/10_patch/tests/check.rs from 2021 edition to 2024
[INFO] [stderr]     Checking index_mut v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/14_index_mut)
[INFO] [stderr]    Migrating exercises/06_ticket_management/12_two_states/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking btreemap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/16_btreemap)
[INFO] [stderr]     Checking combinators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/07_combinators)
[INFO] [stderr]    Migrating exercises/06_ticket_management/14_index_mut/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 69 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 76 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 87 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/15_hashmap)
[INFO] [stderr]    Migrating exercises/06_ticket_management/16_btreemap/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking impl_trait v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/08_impl_trait)
[INFO] [stderr]     Checking ammonia v4.0.0
[INFO] [stderr]     Checking lifetime v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/06_lifetimes)
[INFO] [stderr]    Migrating exercises/06_ticket_management/07_combinators/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/06_ticket_management/15_hashmap/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]    Migrating exercises/06_ticket_management/08_impl_trait/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/06_ticket_management/06_lifetimes/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/04_iterators)
[INFO] [stderr]     Checking index v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/13_index)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> exercises/07_threads/10_patch/src/lib.rs:78:15
[INFO] [stdout]     |
[INFO] [stdout]  78 |         match receiver.recv() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |               up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  81 |                 response_channel,
[INFO] [stdout]     |                 ----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `response_channel` calls a custom destructor
[INFO] [stdout]     |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  88 |                 response_channel,
[INFO] [stdout]     |                 ----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  95 |                 response_channel,
[INFO] [stdout]     |                 ----------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                 `#2` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 116 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 65 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 68 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 75 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 86 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking impl_trait_2 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/09_impl_trait_2)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/07_ack/src/lib.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |                 response_sender,
[INFO] [stdout]    |                 ---------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_sender` calls a custom destructor
[INFO] [stdout]    |                 `response_sender` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 42 |                 response_sender,
[INFO] [stdout]    |                 ---------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 52 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_sender` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/06_ticket_management/04_iterators/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking iter v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/05_iter)
[INFO] [stderr]    Migrating exercises/06_ticket_management/13_index/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 65 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 72 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 83 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating exercises/06_ticket_management/09_impl_trait_2/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/06_ticket_management/05_iter/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> exercises/07_threads/08_client/src/lib.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match receiver.recv() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |               up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 65 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `response_channel` calls a custom destructor
[INFO] [stdout]    |                 `response_channel` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 72 |                 response_channel,
[INFO] [stdout]    |                 ----------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 83 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `response_channel` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/mpmc/mod.rs:657:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro)
[INFO] [stderr]    Migrating exercises/06_ticket_management/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays)
[INFO] [stderr]     Checking sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized)
[INFO] [stderr]     Checking integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers)
[INFO] [stderr]     Checking heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap)
[INFO] [stderr]    Migrating exercises/06_ticket_management/01_arrays/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow)
[INFO] [stderr]    Migrating exercises/04_traits/08_sized/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match)
[INFO] [stderr]     Checking welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stderr]    Migrating exercises/02_basic_calculator/01_integers/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/03_ticket_v1/09_heap/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/02_basic_calculator/08_overflow/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/05_ticket_v2/02_match/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro)
[INFO] [stderr]    Migrating exercises/01_intro/00_welcome/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking outro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/08_outro)
[INFO] [stderr]     Checking slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables)
[INFO] [stderr]    Migrating exercises/08_futures/08_outro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing)
[INFO] [stderr]    Migrating exercises/06_ticket_management/10_slices/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/02_basic_calculator/02_variables/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating)
[INFO] [stderr]    Migrating exercises/06_ticket_management/03_resizing/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/08_futures/08_outro/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/02_basic_calculator/09_saturating/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership)
[INFO] [stderr]     Checking threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads)
[INFO] [stderr]    Migrating exercises/03_ticket_v1/06_ownership/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating exercises/07_threads/01_threads/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro)
[INFO] [stderr]    Migrating exercises/04_traits/00_intro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking mdbook v0.4.40
[INFO] [stderr]     Checking mdbook-exercise-linker v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-exercise-linker)
[INFO] [stderr]     Checking mdbook-link-shortener v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-link-shortener)
[INFO] [stderr]    Migrating helpers/mdbook-exercise-linker/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating helpers/mdbook-link-shortener/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating helpers/mdbook-exercise-linker/src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed helpers/mdbook-exercise-linker/src/main.rs (1 fix)
[INFO] [stderr]    Migrating helpers/mdbook-link-shortener/src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] [stderr] crater-edition-check: welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: panics v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/04_panics) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: common v0.1.0 (/opt/rustwide/workdir/helpers/common) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: tryfrom v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/13_try_from) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: source v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/14_source) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: iterators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/04_iterators) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: iter v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/05_iter) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: lifetime v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/06_lifetimes) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: combinators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/07_combinators) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: impl_trait v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/08_impl_trait) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: impl_trait_2 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/09_impl_trait_2) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: two_states v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/12_two_states) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: index v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/13_index) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: index_mut v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/14_index_mut) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: hashmap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/15_hashmap) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: btreemap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/16_btreemap) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/05_channels) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: response v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/07_ack) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: client v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/08_client) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: patch v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/10_patch) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: async_fn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/01_async_fn) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: spawn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/02_spawn) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: runtime v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/03_runtime) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: future v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/04_future) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: blocking v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/05_blocking) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: async_locks v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/06_async_aware_primitives) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: cancellation v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/07_cancellation) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: outro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/08_outro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: mdbook-exercise-linker v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-exercise-linker) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: mdbook-link-shortener v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-link-shortener) updating edition from 2021 to 2024
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]     Checking ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields)
[INFO] [stderr]     Checking mdbook-exercise-linker v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-exercise-linker)
[INFO] [stderr]     Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages)
[INFO] [stderr]     Checking mdbook-link-shortener v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-link-shortener)
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 50 |     ToDo,
[INFO] [stdout] 51 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 52 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking outro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/08_outro)
[INFO] [stderr]     Checking without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels)
[INFO] [stderr]     Checking rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock)
[INFO] [stderr]     Checking bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded)
[INFO] [stderr]     Checking locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/08_client)
[INFO] [stderr]     Checking patch v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/10_patch)
[INFO] [stderr]     Checking response v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/07_ack)
[INFO] [stderr]     Checking channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/05_channels)
[INFO] [stdout] warning: unused imports: `RecvError` and `Sender`
[INFO] [stdout]  --> exercises/07_threads/09_bounded/src/lib.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{Receiver, RecvError, Sender, SyncSender};
[INFO] [stdout]   |                                 ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrySendError`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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: unused import: `Mutex`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/store.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[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: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/07_ack/src/lib.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 response_sender.send(id);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let _ = response_sender.send(id);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/07_ack/src/lib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 response_sender.send(store.get(id).cloned());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let _ = response_sender.send(store.get(id).cloned());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> exercises/07_threads/10_patch/src/lib.rs:97:21
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 let mut ticket = store.get_mut(patch.id).unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/10_patch/src/lib.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/10_patch/src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 response_channel.send(id);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = response_channel.send(id);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 response_channel.send(ticket.cloned());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let _ = response_channel.send(ticket.cloned());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking impl_trait_2 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/09_impl_trait_2)
[INFO] [stderr]     Checking index_mut v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/14_index_mut)
[INFO] [stderr]     Checking index v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/13_index)
[INFO] [stderr]     Checking two_states v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/12_two_states)
[INFO] [stdout] warning: unused import: `TrySendError`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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: unused import: `Mutex`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> exercises/07_threads/12_rw_lock/src/store.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/07_ack/src/lib.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 response_sender.send(id);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let _ = response_sender.send(id);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/07_ack/src/lib.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 response_sender.send(store.get(id).cloned());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let _ = response_sender.send(store.get(id).cloned());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/12_rw_lock/src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[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] [stderr]     Checking iter v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/05_iter)
[INFO] [stdout] warning: unused variable: `ticket2`
[INFO] [stdout]    --> exercises/06_ticket_management/13_index/src/lib.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let ticket2 = &store[&id2];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/11_locks/src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking combinators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/07_combinators)
[INFO] [stderr]     Checking impl_trait v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/08_impl_trait)
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/04_iterators)
[INFO] [stderr]     Checking lifetime v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/06_lifetimes)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> exercises/06_ticket_management/05_iter/src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> Iter<Ticket> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> Iter<'_, Ticket> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ticket2`
[INFO] [stdout]   --> exercises/06_ticket_management/12_two_states/src/lib.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let ticket2 = store.get(id2).unwrap();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> exercises/06_ticket_management/06_lifetimes/src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> std::slice::Iter<Ticket> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> std::slice::Iter<'_, Ticket> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvError` and `Sender`
[INFO] [stdout]  --> exercises/07_threads/09_bounded/src/lib.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{Receiver, RecvError, Sender, SyncSender};
[INFO] [stdout]   |                                 ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> exercises/07_threads/10_patch/src/lib.rs:97:21
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 let mut ticket = store.get_mut(patch.id).unwrap();
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/10_patch/src/lib.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/10_patch/src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Command` is more private than the item `server`
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn server(receiver: Receiver<Command>) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum Command {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 response_channel.send(id);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = response_channel.send(id);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercises/07_threads/09_bounded/src/lib.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 response_channel.send(ticket.cloned());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let _ = response_channel.send(ticket.cloned());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/15_hashmap)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> exercises/06_ticket_management/06_lifetimes/src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> std::slice::Iter<Ticket> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> std::slice::Iter<'_, Ticket> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking btreemap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/16_btreemap)
[INFO] [stderr]     Checking outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro)
[INFO] [stderr]     Checking thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror)
[INFO] [stdout] warning: unused import: `std::collections::btree_map::Iter`
[INFO] [stdout]  --> exercises/06_ticket_management/16_btreemap/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::btree_map::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> exercises/06_ticket_management/05_iter/src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> Iter<Ticket> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> Iter<'_, Ticket> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::btree_map::Iter`
[INFO] [stdout]  --> exercises/06_ticket_management/16_btreemap/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::btree_map::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data)
[INFO] [stdout] warning: enum `TicketNewError` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum TicketNewError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Ticket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 33 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> exercises/06_ticket_management/16_btreemap/src/lib.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for i in 0..n_tickets {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap)
[INFO] [stderr]     Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum)
[INFO] [stderr]     Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters)
[INFO] [stderr]     Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility)
[INFO] [stderr]     Checking error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums)
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 26 |     ToDo,
[INFO] [stdout] 27 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 28 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability)
[INFO] [stderr]     Checking source v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/14_source)
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(DescriptionError(error)) => {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 34 |     ToDo,
[INFO] [stdout] 35 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 36 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation)
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 27 |     ToDo,
[INFO] [stdout] 28 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking spawn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/02_spawn)
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 13 |     ToDo,
[INFO] [stdout] 14 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking blocking v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/05_blocking)
[INFO] [stderr]     Checking async_fn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/01_async_fn)
[INFO] [stderr]     Checking runtime v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/03_runtime)
[INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn status(&self) -> &Status {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies)
[INFO] [stdout] warning: unused import: `anyhow::Error`
[INFO] [stdout]  --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking async_locks v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/06_async_aware_primitives)
[INFO] [stderr]     Checking cancellation v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/07_cancellation)
[INFO] [stderr]     Checking future v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/04_future)
[INFO] [stdout] warning: unused import: `anyhow::Error`
[INFO] [stdout]  --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawner` is never used
[INFO] [stdout]  --> exercises/08_futures/04_future/src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn spawner() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example` is never used
[INFO] [stdout]   --> exercises/08_futures/04_future/src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn example() {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro)
[INFO] [stderr]     Checking intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Status {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `assigned_to` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn assigned_to(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables)
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/08_futures/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> exercises/07_threads/06_interior_mutability/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow)
[INFO] [stdout] warning: function `spawner` is never used
[INFO] [stdout]  --> exercises/08_futures/04_future/src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn spawner() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example` is never used
[INFO] [stdout]   --> exercises/08_futures/04_future/src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn example() {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> exercises/07_threads/06_interior_mutability/src/lib.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let a = DropTracker::new(5, Rc::clone(&counter));
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> exercises/07_threads/06_interior_mutability/src/lib.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let b = DropTracker::new(6, Rc::clone(&counter));
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> exercises/07_threads/06_interior_mutability/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DropTracker<T> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let)
[INFO] [stderr]     Checking references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory)
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> exercises/07_threads/06_interior_mutability/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/10_references_in_memory/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ticket {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 4 |     status: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> exercises/07_threads/06_interior_mutability/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct DropTracker<T> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax)
[INFO] [stderr]     Checking factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial)
[INFO] [stdout] warning: field `border` is never read
[INFO] [stdout]  --> exercises/05_ticket_v2/04_if_let/src/lib.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Square { border: f64 },
[INFO] [stdout]   |     ------   ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]  --> exercises/05_ticket_v2/04_if_let/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Rectangle { width: f64, height: f64 },
[INFO] [stdout]   |     ---------   ^^^^^       ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads)
[INFO] [stderr]     Checking slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules)
[INFO] [stdout] warning: function `easy_ticket` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Ticket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new(title: String, description: String, status: Status) -> Result<Ticket, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec)
[INFO] [stderr]     Checking visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility)
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership)
[INFO] [stderr]     Checking intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro)
[INFO] [stderr]     Checking welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stderr]     Checking while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while)
[INFO] [stderr]     Checking for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for)
[INFO] [stderr]     Checking trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds)
[INFO] [stdout] warning: unused variable: `ticket`
[INFO] [stdout]   --> exercises/03_ticket_v1/04_visibility/src/lib.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
[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] [stderr]     Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Ticket {
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     impl Ticket {
[INFO] [stdout]   |     ----------- associated function in this implementation
[INFO] [stdout] 9 |         pub fn new(title: String, description: String, status: String) -> Ticket {
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `should_not_be_possible` is never used
[INFO] [stdout]   --> exercises/03_ticket_v1/04_visibility/src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn should_not_be_possible() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encapsulation_cannot_be_violated` is never used
[INFO] [stdout]   --> exercises/03_ticket_v1/04_visibility/src/lib.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn encapsulation_cannot_be_violated() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Ticket {
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     impl Ticket {
[INFO] [stdout]   |     ----------- associated function in this implementation
[INFO] [stdout] 9 |         pub fn new(title: String, description: String, status: String) -> Ticket {
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule)
[INFO] [stderr]     Checking stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack)
[INFO] [stderr]     Checking struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct)
[INFO] [stderr]     Checking resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing)
[INFO] [stderr]     Checking from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from)
[INFO] [stderr]     Checking intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro)
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Err(DescriptionError(error)) => {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TicketNewError` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum TicketNewError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `easy_ticket` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Ticket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/05_nullability/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/05_nullability/src/lib.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Status {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref)
[INFO] [stdout] warning: associated items `new` and `assigned_to` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/05_nullability/src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn assigned_to(&self) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro)
[INFO] [stderr]     Checking intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro)
[INFO] [stderr]     Checking leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak)
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/04_traits/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive)
[INFO] [stdout] warning: unused variable: `wrapping`
[INFO] [stdout]   --> exercises/04_traits/09_from/src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let wrapping: WrappingU32 = 42.into();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wrapping`
[INFO] [stdout]   --> exercises/04_traits/09_from/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let wrapping = WrappingU32::from(42);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> exercises/04_traits/09_from/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct WrappingU32 {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     value: 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: function `example` is never used
[INFO] [stdout]   --> exercises/04_traits/09_from/src/lib.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn example() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `status` is never read
[INFO] [stdout]   --> exercises/04_traits/07_deref/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Ticket {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     status: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating)
[INFO] [stderr]     Checking intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro)
[INFO] [stderr]     Checking destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]   --> exercises/04_traits/04_derive/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Ticket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static)
[INFO] [stderr]     Checking panics v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/04_panics)
[INFO] [stderr]     Checking clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone)
[INFO] [stderr]     Checking sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized)
[INFO] [stderr]     Checking assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic)
[INFO] [stderr]     Checking threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         for i in 1..=power {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for i in 1..=power {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for i in 1..=*power {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices)
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(title: String, description: String, status: Status) -> Result<Ticket, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TicketNewError` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum TicketNewError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `easy_ticket` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Ticket {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 56 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bomb`
[INFO] [stdout]   --> exercises/04_traits/13_drop/src/lib.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let bomb = DropBomb::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bomb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading)
[INFO] [stdout] warning: unused variable: `wrapping`
[INFO] [stdout]   --> exercises/04_traits/09_from/src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let wrapping: WrappingU32 = 42.into();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wrapping`
[INFO] [stdout]   --> exercises/04_traits/09_from/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let wrapping = WrappingU32::from(42);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> exercises/04_traits/09_from/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct WrappingU32 {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     value: 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: function `example` is never used
[INFO] [stdout]   --> exercises/04_traits/09_from/src/lib.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn example() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays)
[INFO] [stderr]     Checking trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         for i in 1..=power {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for i in 1..=power {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for i in 1..=*power {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Power` is never used
[INFO] [stdout]   --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait Power<T> {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap)
[INFO] [stderr]     Checking match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match)
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/06_ticket_management/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DropBomb` is never constructed
[INFO] [stdout]  --> exercises/04_traits/13_drop/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct DropBomb {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `defuse` are never used
[INFO] [stdout]   --> exercises/04_traits/13_drop/src/lib.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl DropBomb {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  9 |     fn new() -> DropBomb {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn defuse(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/02_match/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Shape {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `n_sides` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/02_match/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Shape {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 10 |     pub fn n_sides(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/09_heap/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ticket {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 4 |     status: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/04_traits/03_operator_overloading/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting)
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/09_heap/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ticket {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 4 |     status: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/01_enum/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn status(&self) -> &Status {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation)
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/04_if_let/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Shape {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `radius` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/04_if_let/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Shape {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 8 |     pub fn radius(&self) -> f64 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tryfrom v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/13_try_from)
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/13_try_from/src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Status {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConversionError` is never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/13_try_from/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ConversionError {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `squared` is never used
[INFO] [stdout]  --> exercises/06_ticket_management/11_mutable_slices/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn squared(s: &mut [i32]) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outro` is never used
[INFO] [stdout]  --> exercises/03_ticket_v1/11_destructor/src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn outro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/07_threads/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync)
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/10_references_in_memory/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ticket {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 4 |     status: String,
[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 `status` is never read
[INFO] [stdout]   --> exercises/04_traits/07_deref/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Ticket {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     status: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> exercises/06_ticket_management/10_slices/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sum(v: &[u32]) -> 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: trait `IsEven` is never used
[INFO] [stdout]  --> exercises/04_traits/01_trait/src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait IsEven {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outro` is never used
[INFO] [stdout]  --> exercises/07_threads/14_sync/src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn outro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] [stderr] crater-edition-check all packages now at latest edition
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "688f84472fdf240c8626ba2a26c6772c88941cf791a6408ba9d0250dfdd45211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688f84472fdf240c8626ba2a26c6772c88941cf791a6408ba9d0250dfdd45211", kill_on_drop: false }`
[INFO] [stdout] 688f84472fdf240c8626ba2a26c6772c88941cf791a6408ba9d0250dfdd45211
