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[INFO] checking ohbyeongmin/100-exercises-to-learn-rust against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohbyeongmin%2F100-exercises-to-learn-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ohbyeongmin/100-exercises-to-learn-rust
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[INFO] tweaked toml for git repo https://github.com/ohbyeongmin/100-exercises-to-learn-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ohbyeongmin/100-exercises-to-learn-rust on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
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[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.11.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages)
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stderr]     Checking deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{write, Display};
[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: `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 variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data)
[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 str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice)
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking tempfile v3.11.0
[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_v2/09_error_trait/src/lib.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 51 |     ToDo,
[INFO] [stdout] 52 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 53 |     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 clap_builder v4.5.13
[INFO] [stderr]     Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap)
[INFO] [stderr]     Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters)
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability)
[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] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum)
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/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 assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic)
[INFO] [stderr]     Checking drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop)
[INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     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] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     DescriptionError(String),
[INFO] [stdout]   |     ---------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TicketNewError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     DescriptionError(String),
[INFO] [stdout] 7 +     DescriptionError(()),
[INFO] [stdout]   |
[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:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 35 |     ToDo,
[INFO] [stdout] 36 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 37 |     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] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds)
[INFO] [stderr]     Checking intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro)
[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 deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref)
[INFO] [stderr]     Checking while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while)
[INFO] [stderr]     Checking visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility)
[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 stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack)
[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] [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: unused variable: `ticket`
[INFO] [stdout]   --> exercises/03_ticket_v1/04_visibility/src/lib.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         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] [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:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     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:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn encapsulation_cannot_be_violated() {
[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 intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro)
[INFO] [stdout] warning: unused variable: `bomb`
[INFO] [stdout]   --> exercises/04_traits/13_drop/src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         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] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | 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:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Ticket {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn assigned_to(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing)
[INFO] [stderr]     Checking saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating)
[INFO] [stderr]     Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else)
[INFO] [stderr]     Checking welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stdout] error: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/04_traits/07_deref/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Ticket {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(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] [stderr] error: could not compile `deref` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4ab6312583197d35bc746766fc4535366bfba590a67b486dddba4e6824c34ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ab6312583197d35bc746766fc4535366bfba590a67b486dddba4e6824c34ca", kill_on_drop: false }`
[INFO] [stdout] d4ab6312583197d35bc746766fc4535366bfba590a67b486dddba4e6824c34ca
