[INFO] cloning repository https://github.com/11MK/100-exercises-rust
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7da6766b4d1615f764cae237f14bfa65c86c44
[INFO] checking 11MK/100-exercises-rust against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F11MK%2F100-exercises-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/11MK/100-exercises-rust
[INFO] finished tweaking git repo https://github.com/11MK/100-exercises-rust
[INFO] tweaked toml for git repo https://github.com/11MK/100-exercises-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/11MK/100-exercises-rust on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/11MK/100-exercises-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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.82
[INFO] [stderr]   Downloaded thiserror-impl v1.0.60
[INFO] [stderr]   Downloaded thiserror v1.0.60
[INFO] [stderr]   Downloaded anyhow v1.0.83
[INFO] [stderr]   Downloaded syn v2.0.63
[INFO] [stderr]   Downloaded cc v1.0.97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6c50d9ca17f629175a539f699dcef30e6b7c0ba41d5fc6a592f420f4d0113e1
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[INFO] [stdout] e6c50d9ca17f629175a539f699dcef30e6b7c0ba41d5fc6a592f420f4d0113e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b22d0115b96a971a015326f058e373d997a91a19d7485e48a98242882b349c
[INFO] running `Command { std: "docker" "start" "-a" "57b22d0115b96a971a015326f058e373d997a91a19d7485e48a98242882b349c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling thiserror v1.0.60
[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]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_outro)
[INFO] [stderr]     Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro)
[INFO] [stderr]     Checking match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match)
[INFO] [stderr]     Checking assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_assoc_vs_generic)
[INFO] [stderr]     Checking slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices)
[INFO] [stderr]     Checking validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation)
[INFO] [stderr]     Checking if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let)
[INFO] [stderr]     Checking if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/03_ticket_v1/02_validation/src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |           todo!();
[INFO] [stdout]    |           ------- any code following this expression is unreachable
[INFO] [stdout] 21 | /         Self {
[INFO] [stdout] 22 | |             title,
[INFO] [stdout] 23 | |             description,
[INFO] [stdout] 24 | |             status,
[INFO] [stdout] 25 | |         }
[INFO] [stdout]    | |_________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_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] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> exercises/03_ticket_v1/02_validation/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[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/03_ticket_v1/02_validation/src/lib.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[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/03_ticket_v1/02_validation/src/lib.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[INFO] [stdout]    |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ticket` is never constructed
[INFO] [stdout]  --> exercises/03_ticket_v1/02_validation/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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_v1/02_validation/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Ticket {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> exercises/02_basic_calculator/03_if_else/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn is_even(n: u32) -> bool {
[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 fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility)
[INFO] [stdout] warning: field `radius` is never read
[INFO] [stdout]  --> exercises/05_ticket_v2/04_if_let/src/lib.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Circle { radius: 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: 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] 
[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] [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]   |     ^^^^^^^^^^^^^^^ no `Order` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait)
[INFO] [stdout] error[E0432]: unresolved import `outro_03::SaturatingU16`
[INFO] [stdout]  --> exercises/04_traits/13_outro/tests/integration.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use outro_03::SaturatingU16;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `SaturatingU16` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> exercises/03_ticket_v1/02_validation/src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |           todo!();
[INFO] [stdout]    |           ------- any code following this expression is unreachable
[INFO] [stdout] 21 | /         Self {
[INFO] [stdout] 22 | |             title,
[INFO] [stdout] 23 | |             description,
[INFO] [stdout] 24 | |             status,
[INFO] [stdout] 25 | |         }
[INFO] [stdout]    | |_________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr]     Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability)
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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 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] 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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fallibility` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> exercises/03_ticket_v1/02_validation/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[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/03_ticket_v1/02_validation/src/lib.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `outro_03` (test "integration") due to 1 previous error
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> exercises/03_ticket_v1/02_validation/src/lib.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(title: String, description: String, status: String) -> Self {
[INFO] [stdout]    |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/02_validation/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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] error: could not compile `outro_02` (test "integration") due to 1 previous error
[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/42f4793e5a514858221b07ac379029d90353913e/library/core/src/fmt/mod.rs:1186:0
[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: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/42f4793e5a514858221b07ac379029d90353913e/library/core/src/fmt/mod.rs:1186:0
[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 characters");
[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/42f4793e5a514858221b07ac379029d90353913e/library/core/src/fmt/mod.rs:1186:0
[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/42f4793e5a514858221b07ac379029d90353913e/library/core/src/fmt/mod.rs:1186:0
[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]: no method named `set_title` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Ticket {
[INFO] [stdout]    | ----------------- method `set_title` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |         ticket.set_title("A new title".into());
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `title` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_description` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Ticket {
[INFO] [stdout]    | ----------------- method `set_description` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |         ticket.set_description("A new description".into());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `description` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_status` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Ticket {
[INFO] [stdout]    | ----------------- method `set_status` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |         ticket.set_status("Done".into());
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `status` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn status(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `TicketNewError` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert_eq!(format!("{}", ticket.unwrap_err()), "Title cannot be empty");
[INFO] [stdout]     |                             --   ^^^^^^^^^^^^^^^^^^^ `TicketNewError` cannot be formatted with the default formatter
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             required by this formatting parameter
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `std::fmt::Display` is not implemented for `TicketNewError`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | enum TicketNewError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TicketNewError: AmbiguousIfMoreThanOne<Token>` is not satisfied
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |     assert_impl_one!(TicketNewError: std::error::Error);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `std::error::Error` is not implemented for `TicketNewError`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | enum TicketNewError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required for `TicketNewError` to implement `AmbiguousIfMoreThanOne<Token>`
[INFO] [stdout]    --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     assert_impl_one!(TicketNewError: std::error::Error);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `assert_impl_one` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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] For more information about this error, try `rustc --explain E0599`.
[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] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thiserror_` (lib test) due to 4 previous errors
[INFO] [stdout] error[E0599]: no method named `set_title` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:69:73
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Ticket {
[INFO] [stdout]    | ----------------- method `set_title` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 69 |         Ticket::new(valid_title(), valid_description(), "To-Do".into()).set_title("".into());
[INFO] [stdout]    |                                                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `title` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_description` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:75:73
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Ticket {
[INFO] [stdout]    | ----------------- method `set_description` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 75 |         Ticket::new(valid_title(), valid_description(), "To-Do".into()).set_description("".into());
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `description` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_trait` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] error[E0599]: no method named `set_title` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout]  5 |   pub struct Ticket {
[INFO] [stdout]    |   ----------------- method `set_title` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 | /         Ticket::new(valid_title(), valid_description(), "To-Do".into())
[INFO] [stdout] 82 | |             .set_title(overly_long_title())
[INFO] [stdout]    | |_____________-^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `title` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn title(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_description` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:89:14
[INFO] [stdout]    |
[INFO] [stdout]  5 |   pub struct Ticket {
[INFO] [stdout]    |   ----------------- method `set_description` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 | /         Ticket::new(valid_title(), valid_description(), "To-Do".into())
[INFO] [stdout] 89 | |             .set_description(overly_long_description())
[INFO] [stdout]    | |_____________-^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `description` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn description(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_status` found for struct `Ticket` in the current scope
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:95:73
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Ticket {
[INFO] [stdout]    | ----------------- method `set_status` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 95 |         Ticket::new(valid_title(), valid_description(), "To-Do".into()).set_status("Funny".into());
[INFO] [stdout]    |                                                                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `status` with a similar name, but with different arguments
[INFO] [stdout]   --> exercises/03_ticket_v1/07_setters/src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn status(&self) -> &String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `setters` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "57b22d0115b96a971a015326f058e373d997a91a19d7485e48a98242882b349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b22d0115b96a971a015326f058e373d997a91a19d7485e48a98242882b349c", kill_on_drop: false }`
[INFO] [stdout] 57b22d0115b96a971a015326f058e373d997a91a19d7485e48a98242882b349c
