[INFO] cloning repository https://github.com/vv-larin/100-exercises-to-learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vv-larin/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvv-larin%2F100-exercises-to-learn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvv-larin%2F100-exercises-to-learn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57d145e6d393dfffeadb97fc61e814255c3b6ffe
[INFO] checking vv-larin/100-exercises-to-learn-rust against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvv-larin%2F100-exercises-to-learn-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vv-larin/100-exercises-to-learn-rust
[INFO] finished tweaking git repo https://github.com/vv-larin/100-exercises-to-learn-rust
[INFO] tweaked toml for git repo https://github.com/vv-larin/100-exercises-to-learn-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vv-larin/100-exercises-to-learn-rust on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vv-larin/100-exercises-to-learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54
[INFO] running `Command { std: "docker" "start" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]     Checking bytes v1.10.1
[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 encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation)
[INFO] [stderr]     Checking intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules)
[INFO] [stderr]     Checking while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while)
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stderr]     Checking orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule)
[INFO] [stderr]     Checking anyhow v1.0.102
[INFO] [stderr]     Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility)
[INFO] [stderr]     Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let)
[INFO] [stderr]     Checking intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro)
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> exercises/02_basic_calculator/06_while/src/lib.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn factorial(n: u32) -> u32 {
[INFO] [stdout]   |                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices)
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/05_encapsulation/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct Ticket {
[INFO] [stdout]   |                ------ fields in this struct
[INFO] [stdout] 3 |         title: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 4 |         description: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 5 |         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 thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror)
[INFO] [stderr]     Checking enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum)
[INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for primitive types
[INFO] [stdout]  --> exercises/04_traits/02_orphan_rule/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl PartialEq for u32 {
[INFO] [stdout]   | ^^^^^---------^^^^^---
[INFO] [stdout]   |      |             |
[INFO] [stdout]   |      |             `u32` is not defined in the current crate
[INFO] [stdout]   |      this is not defined in the current crate because this is a foreign trait
[INFO] [stdout]   |
[INFO] [stdout]   = note: impl doesn't have any local type before any uncovered type parameters
[INFO] [stdout]   = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
[INFO] [stdout]   = note: define and implement a trait or new type instead
[INFO] [stdout] 
[INFO] [stdout] 
[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:10:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Shape {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn radius(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0117`.
[INFO] [stdout] 
[INFO] [stderr]     Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap)
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:52
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]    |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `orphan` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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) -> Ticket {
[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:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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: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_v2/09_error_trait/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | 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:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | 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:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Ticket` in this scope
[INFO] [stdout]  --> exercises/03_ticket_v1/03_modules/src/lib.rs:5:66
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn create_todo_ticket(title: String, description: String) -> Ticket {
[INFO] [stdout]   |                                                                  ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 5 +     use crate::Ticket;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Ticket` in this scope
[INFO] [stdout]  --> exercises/03_ticket_v1/03_modules/src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Ticket::new(title, description, "To-Do".into())
[INFO] [stdout]   |         ^^^^^^ use of undeclared type `Ticket`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 5 +     use crate::Ticket;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]  --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]   |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `ToDo` found for enum `Status` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Status {
[INFO] [stdout]    | ----------- variant, associated function, or constant `ToDo` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 67 |             status: Status::ToDo,
[INFO] [stdout]    |                             ^^^^ variant, associated function, or constant not found in `Status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]  --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]   |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]  --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:52
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket {
[INFO] [stdout]   |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `ToDo` found for enum `Status` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Status {
[INFO] [stdout]    | ----------- variant, associated function, or constant `ToDo` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 72 |             status: Status::ToDo,
[INFO] [stdout]    |                             ^^^^ variant, associated function, or constant not found in `Status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Status {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 17 |     ToDo,
[INFO] [stdout] 18 |     InProgress { assigned_to: String },
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     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] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new(title: String, description: String, status: Status) -> Result<Ticket, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modules` (lib test) due to 2 previous errors
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `ToDo` found for enum `Status` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Status {
[INFO] [stdout]    | ----------- variant, associated function, or constant `ToDo` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 80 |         let status = Status::ToDo;
[INFO] [stdout]    |                              ^^^^ variant, associated function, or constant not found in `Status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `InProgress` found for enum `Status` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/01_enum/src/lib.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Status {
[INFO] [stdout]    | ----------- variant, associated function, or constant `InProgress` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 97 |         let status = Status::InProgress;
[INFO] [stdout]    |                              ^^^^^^^^^^ variant, associated function, or constant not found in `Status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_err` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:48:79
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Ticket {
[INFO] [stdout]    | ------------- method `unwrap_err` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |         let error = Ticket::new("".into(), valid_description(), Status::ToDo).unwrap_err();
[INFO] [stdout]    |                                                                               ^^^^^^^^^^ method not found in `Ticket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `InProgress` found for enum `Status` in the current scope
[INFO] [stdout]    --> exercises/05_ticket_v2/01_enum/src/lib.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout]  13 | enum Status {
[INFO] [stdout]     | ----------- variant, associated function, or constant `InProgress` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 118 |             status: Status::InProgress,
[INFO] [stdout]     |                             ^^^^^^^^^^ variant, associated function, or constant not found in `Status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant, associated function, or constant named `Done` found for enum `Status` in the current scope
[INFO] [stdout]    --> exercises/05_ticket_v2/01_enum/src/lib.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout]  13 | enum Status {
[INFO] [stdout]     | ----------- variant, associated function, or constant `Done` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 123 |             status: Status::Done,
[INFO] [stdout]     |                             ^^^^ variant, associated function, or constant not found in `Status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `outro_03::SaturatingU16`
[INFO] [stdout]  --> exercises/04_traits/14_outro/tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use outro_03::SaturatingU16;
[INFO] [stdout]   |     ^^^^^^^^^^-------------
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `SaturatingU16` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_err` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:54:73
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Ticket {
[INFO] [stdout]    | ------------- method `unwrap_err` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |         let error = Ticket::new(valid_title(), "".into(), Status::ToDo).unwrap_err();
[INFO] [stdout]    |                                                                         ^^^^^^^^^^ method not found in `Ticket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_err` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:61:81
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Ticket {
[INFO] [stdout]    | ------------- method `unwrap_err` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |             Ticket::new(overly_long_title(), valid_description(), Status::ToDo).unwrap_err();
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^ method not found in `Ticket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_err` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:68:81
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Ticket {
[INFO] [stdout]    | ------------- method `unwrap_err` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 68 |             Ticket::new(valid_title(), overly_long_description(), Status::ToDo).unwrap_err();
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^ method not found in `Ticket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_03` (test "integration") due to 1 previous error
[INFO] [stderr] error: could not compile `enum_` (lib test) due to 6 previous errors
[INFO] [stdout] error[E0599]: `TicketNewError` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum TicketNewError {
[INFO] [stdout]    | ------------------- method `to_string` not found for this enum because it doesn't satisfy `TicketNewError: ToString` or `TicketNewError: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 62 |         assert_eq!(err.to_string(), "Title cannot be empty");
[INFO] [stdout]    |                        ^^^^^^^^^ method cannot be called on `TicketNewError` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `TicketNewError: std::fmt::Display`
[INFO] [stdout]            which is required by `TicketNewError: ToString`
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/fmt/mod.rs:1187:0
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fallibility` (lib test) due to 4 previous errors
[INFO] [stdout] error[E0599]: `TicketNewError` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum TicketNewError {
[INFO] [stdout]    | ------------------- method `to_string` not found for this enum because it doesn't satisfy `TicketNewError: ToString` or `TicketNewError: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 68 |         assert_eq!(err.to_string(), "Description cannot be empty");
[INFO] [stdout]    |                        ^^^^^^^^^ method cannot be called on `TicketNewError` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `TicketNewError: std::fmt::Display`
[INFO] [stdout]            which is required by `TicketNewError: ToString`
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/fmt/mod.rs:1187:0
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `TicketNewError` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum TicketNewError {
[INFO] [stdout]    | ------------------- method `to_string` not found for this enum because it doesn't satisfy `TicketNewError: ToString` or `TicketNewError: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 74 |         assert_eq!(err.to_string(), "Title cannot be longer than 50 bytes");
[INFO] [stdout]    |                        ^^^^^^^^^ method cannot be called on `TicketNewError` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `TicketNewError: std::fmt::Display`
[INFO] [stdout]            which is required by `TicketNewError: ToString`
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/fmt/mod.rs:1187:0
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `TicketNewError` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum TicketNewError {
[INFO] [stdout]    | ------------------- method `to_string` not found for this enum because it doesn't satisfy `TicketNewError: ToString` or `TicketNewError: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 81 |             err.to_string(),
[INFO] [stdout]    |                 ^^^^^^^^^ method cannot be called on `TicketNewError` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `TicketNewError: std::fmt::Display`
[INFO] [stdout]            which is required by `TicketNewError: ToString`
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/fmt/mod.rs:1187:0
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `outro_02::Order`
[INFO] [stdout]  --> exercises/03_ticket_v1/12_outro/tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use outro_02::Order;
[INFO] [stdout]   |     ^^^^^^^^^^-----
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `Order` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thiserror_` (lib test) due to 4 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_02` (test "integration") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54", kill_on_drop: false }`
[INFO] [stdout] d90e69b93707ef69e52bcc3b21622e0942d8250407ebd4cc2f10ee26967bdd54
