[INFO] cloning repository https://github.com/nok-mt/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/nok-mt/100_exercises_to_learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnok-mt%2F100_exercises_to_learn_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnok-mt%2F100_exercises_to_learn_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9c4d540c950082b0b3e4a50336fc1cf2835e662 [INFO] building nok-mt/100_exercises_to_learn_rust against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnok-mt%2F100_exercises_to_learn_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nok-mt/100_exercises_to_learn_rust [INFO] finished tweaking git repo https://github.com/nok-mt/100_exercises_to_learn_rust [INFO] tweaked toml for git repo https://github.com/nok-mt/100_exercises_to_learn_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nok-mt/100_exercises_to_learn_rust on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nok-mt/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... 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running `Command { std: "docker" "inspect" "b25c67d126de56437fe5b4e21162bf00985bd026606487c44a0381195bbc4213", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b25c67d126de56437fe5b4e21162bf00985bd026606487c44a0381195bbc4213", kill_on_drop: false }` [INFO] [stdout] b25c67d126de56437fe5b4e21162bf00985bd026606487c44a0381195bbc4213 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e3dbe560a0d5aa2d89e80839ad5221359454e3e7c7e7cda0ce4fb6adbb0620d [INFO] running `Command { std: "docker" "start" "-a" "2e3dbe560a0d5aa2d89e80839ad5221359454e3e7c7e7cda0ce4fb6adbb0620d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling memchr 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Compiling http-body v0.4.6 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling url v2.5.2 [INFO] [stderr] Compiling indexmap v2.3.0 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.13 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling pulldown-cmark v0.10.3 [INFO] [stderr] Compiling base64 v0.21.7 [INFO] [stderr] Compiling tower-service v0.3.2 [INFO] [stderr] Compiling pulldown-cmark-escape v0.10.1 [INFO] [stderr] Compiling terminal_size v0.3.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling headers v0.3.9 [INFO] [stderr] Compiling clap_builder v4.5.13 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling fastrand v2.1.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling scoped-tls v1.0.1 [INFO] [stderr] Compiling iana-time-zone v0.1.60 [INFO] [stderr] Compiling tempfile v3.11.0 [INFO] [stderr] Compiling topological-sort v0.2.2 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling pulldown-cmark v0.11.0 [INFO] [stderr] Compiling unicode-width v0.1.13 [INFO] [stderr] Compiling pathdiff v0.2.1 [INFO] [stderr] Compiling pulldown-cmark-escape v0.11.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stderr] Compiling threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads) [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling getopts v0.2.21 [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)]` (part of `#[warn(unused)]`) 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 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting) [INFO] [stderr] Compiling intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 19 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds) [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stderr] Compiling if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) [INFO] [stderr] Compiling slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) [INFO] [stdout] warning: enum `Shape` is never used [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Shape { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `radius` is never used [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Shape { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 10 | pub fn radius(&self) -> f64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stderr] Compiling sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) [INFO] [stderr] Compiling copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/12_copy/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | value: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads) [INFO] [stderr] Compiling saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stderr] Compiling thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror) [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/05_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] [stdout] warning: unused variable: `v` [INFO] [stdout] --> exercises/07_threads/04_scoped_threads/src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn sum(v: Vec) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stderr] Compiling chrono v0.4.38 [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)]` (part of `#[warn(unused)]`) on by default [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] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) [INFO] [stderr] Compiling match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) [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] [stderr] Compiling references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory) [INFO] [stdout] warning: function `is_even` is never used [INFO] [stdout] --> exercises/02_basic_calculator/03_if_else/src/lib.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn is_even(n: u32) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait) [INFO] [stderr] Compiling error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [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)]` (part of `#[warn(unused)]`) 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] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/10_references_in_memory/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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `IsEven` is never used [INFO] [stdout] --> exercises/04_traits/01_trait/src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait IsEven { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [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] 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: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum TicketNewError { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `easy_ticket` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 34 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync) [INFO] [stderr] Compiling intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro) [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/ad85bc524b1ad696e42061ad8338d382dffbdbe5/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 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/ad85bc524b1ad696e42061ad8338d382dffbdbe5/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/ad85bc524b1ad696e42061ad8338d382dffbdbe5/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 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/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/result.rs:558:5 [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)]` (part of `#[warn(unused)]`) 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] [stderr] Compiling outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables) [INFO] [stderr] Compiling intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro) [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `outro` is never used [INFO] [stdout] --> exercises/07_threads/14_sync/src/lib.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn outro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/06_ticket_management/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)]` (part of `#[warn(unused)]`) 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] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `TicketTitle` [INFO] [stdout] | [INFO] [stdout] = note: add `#[derive(Debug)]` to `TicketTitle` or manually `impl Debug for TicketTitle` [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `TicketDescription` [INFO] [stdout] | [INFO] [stdout] = note: add `#[derive(Debug)]` to `TicketDescription` or manually `impl Debug for TicketDescription` [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] | ^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `Status` [INFO] [stdout] | [INFO] [stdout] = note: add `#[derive(Debug)]` to `Status` or manually `impl Debug for Status` [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] 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] 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] 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] 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] 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] 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] 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] [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] running `Command { std: "docker" "inspect" "2e3dbe560a0d5aa2d89e80839ad5221359454e3e7c7e7cda0ce4fb6adbb0620d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e3dbe560a0d5aa2d89e80839ad5221359454e3e7c7e7cda0ce4fb6adbb0620d", kill_on_drop: false }` [INFO] [stdout] 2e3dbe560a0d5aa2d89e80839ad5221359454e3e7c7e7cda0ce4fb6adbb0620d