[INFO] cloning repository https://github.com/Ethan-Arrowood/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/Ethan-Arrowood/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2F100-exercises-to-learn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2F100-exercises-to-learn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51d4410a79a34295b6c991927d1392215de7d6e2
[INFO] building Ethan-Arrowood/100-exercises-to-learn-rust against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthan-Arrowood%2F100-exercises-to-learn-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ethan-Arrowood/100-exercises-to-learn-rust on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ethan-Arrowood/100-exercises-to-learn-rust
[INFO] finished tweaking git repo https://github.com/Ethan-Arrowood/100-exercises-to-learn-rust
[INFO] tweaked toml for git repo https://github.com/Ethan-Arrowood/100-exercises-to-learn-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ethan-Arrowood/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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43205cfbb8eda5df5ac92f1f57d2b34ccf14bc082ff4b2d8d8598eb70470c4a5
[INFO] running `Command { std: "docker" "start" "-a" "43205cfbb8eda5df5ac92f1f57d2b34ccf14bc082ff4b2d8d8598eb70470c4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43205cfbb8eda5df5ac92f1f57d2b34ccf14bc082ff4b2d8d8598eb70470c4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43205cfbb8eda5df5ac92f1f57d2b34ccf14bc082ff4b2d8d8598eb70470c4a5", kill_on_drop: false }`
[INFO] [stdout] 43205cfbb8eda5df5ac92f1f57d2b34ccf14bc082ff4b2d8d8598eb70470c4a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 217d67325f60668649aaa0c2f4837e629c6bd9b0de927f3dd493a15276ca6fb0
[INFO] running `Command { std: "docker" "start" "-a" "217d67325f60668649aaa0c2f4837e629c6bd9b0de927f3dd493a15276ca6fb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]    Compiling destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor)
[INFO] [stderr]    Compiling orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule)
[INFO] [stderr]    Compiling assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_assoc_vs_generic)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership)
[INFO] [stderr]    Compiling intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_drop)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads)
[INFO] [stderr]    Compiling thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> exercises/04_traits/12_drop/src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (!self.defused) {
[INFO] [stdout]    |            ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         if (!self.defused) {
[INFO] [stdout] 21 +         if !self.defused {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DropBomb` is never constructed
[INFO] [stdout]  --> exercises/04_traits/12_drop/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct DropBomb {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `defuse` are never used
[INFO] [stdout]   --> exercises/04_traits/12_drop/src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl DropBomb {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn defuse(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> exercises/07_threads/01_threads/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> exercises/07_threads/01_threads/src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn sum(v: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability)
[INFO] [stderr]    Compiling integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers)
[INFO] [stderr]    Compiling overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow)
[INFO] [stderr]    Compiling panics v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/04_panics)
[INFO] [stderr]    Compiling intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro)
[INFO] [stderr]    Compiling str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_str_slice)
[INFO] [stderr]    Compiling for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for)
[INFO] [stdout] warning: function `compute` is never used
[INFO] [stdout]  --> exercises/02_basic_calculator/01_integers/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn compute(a: u32, b: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match)
[INFO] [stdout] warning: enum `TicketNewError` is never used
[INFO] [stdout]  --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TicketNewError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> exercises/02_basic_calculator/04_panics/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     if (time_elapsed == 0) {
[INFO] [stdout]   |        ^                 ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 -     if (time_elapsed == 0) {
[INFO] [stdout] 5 +     if time_elapsed == 0 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]   --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | 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:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 28 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `speed` is never used
[INFO] [stdout]  --> exercises/02_basic_calculator/04_panics/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn speed(start: u32, end: u32, time_elapsed: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_clone)
[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)]` 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:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Shape {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 10 |     // TODO: Implement the `n_sides` method using a `match`.
[INFO] [stdout] 11 |     pub fn n_sides(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/05_nullability/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | 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_v2/05_nullability/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] 38 |     pub fn assigned_to(&self) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak)
[INFO] [stderr]    Compiling copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_copy)
[INFO] [stderr]    Compiling unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap)
[INFO] [stderr]    Compiling welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/05_ticket_v2/01_enum/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Ticket {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | 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: String) -> Ticket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn status(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro)
[INFO] [stderr]    Compiling intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro)
[INFO] [stderr]    Compiling outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro)
[INFO] [stderr]    Compiling syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax)
[INFO] [stderr]    Compiling error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums)
[INFO] [stderr]    Compiling static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greeting` is never used
[INFO] [stdout]   --> exercises/01_intro/00_welcome/src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn greeting() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/03_ticket_v1/00_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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> exercises/07_threads/03_leak/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `TicketTitle` doesn't implement `Debug`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub title: TicketTitle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ `TicketTitle` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `TicketTitle`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `TicketTitle` or manually `impl Debug for TicketTitle`
[INFO] [stdout]    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `TicketTitle` with `#[derive(Debug)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/title.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Debug)]
[INFO] [stdout] 6  | pub struct TicketTitle(String);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap)
[INFO] [stdout] error[E0277]: `TicketDescription` doesn't implement `Debug`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub description: TicketDescription,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `TicketDescription` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `TicketDescription`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `TicketDescription` or manually `impl Debug for TicketDescription`
[INFO] [stdout]    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `TicketDescription` with `#[derive(Debug)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/description.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Debug)]
[INFO] [stdout] 6  | pub struct TicketDescription(String);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Status` doesn't implement `Debug`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub status: Status,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ `Status` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Status`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `Status` or manually `impl Debug for Status`
[INFO] [stdout]    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Status` with `#[derive(Debug)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/status.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Debug)]
[INFO] [stdout] 5  | pub enum Status {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `TicketTitle`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub title: TicketTitle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `TicketTitle`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/title.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct TicketTitle(String);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout]    = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `TicketTitle` with `#[derive(PartialEq)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/title.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(PartialEq)]
[INFO] [stdout] 6  | pub struct TicketTitle(String);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `TicketDescription`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub description: TicketDescription,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `TicketDescription`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/description.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct TicketDescription(String);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout]    = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `TicketDescription` with `#[derive(PartialEq)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/description.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(PartialEq)]
[INFO] [stdout] 6  | pub struct TicketDescription(String);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Status`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub status: Status,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `Status`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/status.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Status {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout]    = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Status` with `#[derive(PartialEq)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/status.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(PartialEq)]
[INFO] [stdout] 5  | pub enum Status {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TicketTitle: Clone` is not satisfied
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |                            ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub title: TicketTitle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `TicketTitle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `TicketTitle` with `#[derive(Clone)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/title.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Clone)]
[INFO] [stdout] 6  | pub struct TicketTitle(String);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TicketDescription: Clone` is not satisfied
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |                            ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub description: TicketDescription,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `TicketDescription`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `TicketDescription` with `#[derive(Clone)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/description.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Clone)]
[INFO] [stdout] 6  | pub struct TicketDescription(String);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> exercises/07_threads/03_leak/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sum(v: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[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)]` on by default
[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] warning: function `compute` is never used
[INFO] [stdout]  --> exercises/01_intro/01_syntax/src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn compute(a: u32, b: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> exercises/07_threads/02_static/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices)
[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)]` 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:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | 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: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] [stdout] warning: unused variable: `slice`
[INFO] [stdout]  --> exercises/07_threads/02_static/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn sum(slice: &'static [i32]) -> i32 {
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Status: Clone` is not satisfied
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |                            ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub status: Status,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `Status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Status` with `#[derive(Clone)]`
[INFO] [stdout]   --> exercises/05_ticket_v2/15_outro/src/status.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub enum Status {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading)
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_04` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` 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)]` on by default
[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)]` 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] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |             return Err("Title cannot be empty".to_string());
[INFO] [stdout]    |                    --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `TicketNewError`, found `String`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `String` due to the type of the argument passed
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |             return Err("Title cannot be empty".to_string());
[INFO] [stdout]    |                    ^^^^-----------------------------------^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this argument influences the type of `Err`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/result.rs:537:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |             return Err("Title cannot be longer than 50 characters".to_string());
[INFO] [stdout]    |                    --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `TicketNewError`, found `String`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `String` due to the type of the argument passed
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |             return Err("Title cannot be longer than 50 characters".to_string());
[INFO] [stdout]    |                    ^^^^-------------------------------------------------------^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this argument influences the type of `Err`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/result.rs:537:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |             return Err("Description cannot be empty".to_string());
[INFO] [stdout]    |                    --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `TicketNewError`, found `String`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `String` due to the type of the argument passed
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |             return Err("Description cannot be empty".to_string());
[INFO] [stdout]    |                    ^^^^-----------------------------------------^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this argument influences the type of `Err`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/result.rs:537:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |             return Err("Description cannot be longer than 500 characters".to_string());
[INFO] [stdout]    |                    --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `TicketNewError`, found `String`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `String` due to the type of the argument passed
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |             return Err("Description cannot be longer than 500 characters".to_string());
[INFO] [stdout]    |                    ^^^^--------------------------------------------------------------^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this argument influences the type of `Err`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/result.rs:537:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]   --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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_v2/08_error_enums/src/lib.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_enums` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "217d67325f60668649aaa0c2f4837e629c6bd9b0de927f3dd493a15276ca6fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217d67325f60668649aaa0c2f4837e629c6bd9b0de927f3dd493a15276ca6fb0", kill_on_drop: false }`
[INFO] [stdout] 217d67325f60668649aaa0c2f4837e629c6bd9b0de927f3dd493a15276ca6fb0
