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"/opt/rustwide/cargo-home/bin/cargo" "+da0275e101cdc809ce291ed8b64d6f82c6b65467" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e8b969918564298c0e030b03ecf538076efeb4ea03667c0b718383d93b55d3c [INFO] running `Command { std: "docker" "start" "-a" "2e8b969918564298c0e030b03ecf538076efeb4ea03667c0b718383d93b55d3c", 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] Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] 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pathdiff v0.2.1 [INFO] [stderr] Checking topological-sort v0.2.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) [INFO] [stderr] Checking outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [INFO] [stderr] Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stderr] Checking thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror) [INFO] [stderr] Checking error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) [INFO] [stderr] Checking unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) [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] | ^^^^^^^^^^^^^^^^^^^^^^^ no `SaturatingU16` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `outro_03` (test "integration") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: the trait bound `TicketNewError: AmbiguousIfMoreThanOne` 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] | ^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `TicketNewError` [INFO] [stdout] | [INFO] [stdout] note: required for `TicketNewError` to implement `AmbiguousIfMoreThanOne` [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] 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] = help: the trait `std::fmt::Display` is not implemented for `TicketNewError` [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] 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)]` 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_v2/09_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] 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: 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)]` 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 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [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/da0275e101cdc809ce291ed8b64d6f82c6b65467/library/core/src/result.rs:537:5 [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: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] | ^^^^^^^^^ `TicketNewError` cannot be formatted with the default formatter [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: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] note: the trait `std::fmt::Display` must be implemented [INFO] [stdout] --> /rustc/da0275e101cdc809ce291ed8b64d6f82c6b65467/library/core/src/fmt/mod.rs:975:1 [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] | ^^^^^^^^^ `TicketNewError` cannot be formatted with the default formatter [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: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] note: the trait `std::fmt::Display` must be implemented [INFO] [stdout] --> /rustc/da0275e101cdc809ce291ed8b64d6f82c6b65467/library/core/src/fmt/mod.rs:975:1 [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 `error_trait` (lib test) due to 2 previous errors; 3 warnings emitted [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 bytes".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 bytes".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/da0275e101cdc809ce291ed8b64d6f82c6b65467/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/da0275e101cdc809ce291ed8b64d6f82c6b65467/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 bytes".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 bytes".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/da0275e101cdc809ce291ed8b64d6f82c6b65467/library/core/src/result.rs:537:5 [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] | ^^^^^^^^^ `TicketNewError` cannot be formatted with the default formatter [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: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] note: the trait `std::fmt::Display` must be implemented [INFO] [stdout] --> /rustc/da0275e101cdc809ce291ed8b64d6f82c6b65467/library/core/src/fmt/mod.rs:975:1 [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] | ^^^^^^^^^ `TicketNewError` cannot be formatted with the default formatter [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: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] note: the trait `std::fmt::Display` must be implemented [INFO] [stdout] --> /rustc/da0275e101cdc809ce291ed8b64d6f82c6b65467/library/core/src/fmt/mod.rs:975:1 [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] 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] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `thiserror_` (lib test) due to 4 previous errors [INFO] [stderr] error: could not compile `error_enums` (lib test) due to 4 previous errors; 3 warnings emitted [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] running `Command { std: "docker" "inspect" "2e8b969918564298c0e030b03ecf538076efeb4ea03667c0b718383d93b55d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8b969918564298c0e030b03ecf538076efeb4ea03667c0b718383d93b55d3c", kill_on_drop: false }` [INFO] [stdout] 2e8b969918564298c0e030b03ecf538076efeb4ea03667c0b718383d93b55d3c