[INFO] cloning repository https://github.com/buyan001/by_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buyan001/by_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuyan001%2Fby_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuyan001%2Fby_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 229db2469daa6c4a4edec328166fc0e2b8edd3a9 [INFO] checking buyan001/by_rust against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuyan001%2Fby_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. 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[INFO] [stderr] Downloaded tokio-macros v2.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.82 [INFO] [stderr] Downloaded parking_lot v0.12.2 [INFO] [stderr] Downloaded miniz_oxide v0.7.2 [INFO] [stderr] Downloaded thiserror v1.0.60 [INFO] [stderr] Downloaded thiserror-impl 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] [stderr] Downloaded libc v0.2.154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e189395f78c24e366bba49bb481bf4ecdd76cc5fb793f06f95ba4d136ba6ad3 [INFO] running `Command { std: "docker" "start" "-a" "0e189395f78c24e366bba49bb481bf4ecdd76cc5fb793f06f95ba4d136ba6ad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e189395f78c24e366bba49bb481bf4ecdd76cc5fb793f06f95ba4d136ba6ad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e189395f78c24e366bba49bb481bf4ecdd76cc5fb793f06f95ba4d136ba6ad3", kill_on_drop: false }` [INFO] [stdout] 0e189395f78c24e366bba49bb481bf4ecdd76cc5fb793f06f95ba4d136ba6ad3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98f7f9003cd7a24037b91900bfdd62839d8526e3a5f4f18b54fdc95c7b734727 [INFO] running `Command { std: "docker" "start" "-a" "98f7f9003cd7a24037b91900bfdd62839d8526e3a5f4f18b54fdc95c7b734727", 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 scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling anyhow v1.0.83 [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/13_outro) [INFO] [stderr] Checking error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) [INFO] [stderr] Checking nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stderr] Checking thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror) [INFO] [stderr] Checking error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stderr] Checking str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_str_slice) [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/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] [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[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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1006:1 [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] | ^^^^^^^^^ 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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1006:1 [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: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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1006:1 [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] | ^^^^^^^^^ 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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1006:1 [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[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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:558:5 [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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:558:5 [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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:558:5 [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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:558:5 [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] For more information about this error, try `rustc --explain E0599`. [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] 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] error: could not compile `thiserror_` (lib test) due to 4 previous errors [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] 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] = 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` 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] 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: `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 E0308`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `error_trait` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `error_enums` (lib test) due to 4 previous errors; 3 warnings emitted [INFO] [stderr] error: could not compile `outro_02` (test "integration") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "98f7f9003cd7a24037b91900bfdd62839d8526e3a5f4f18b54fdc95c7b734727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98f7f9003cd7a24037b91900bfdd62839d8526e3a5f4f18b54fdc95c7b734727", kill_on_drop: false }` [INFO] [stdout] 98f7f9003cd7a24037b91900bfdd62839d8526e3a5f4f18b54fdc95c7b734727