[INFO] cloning repository https://github.com/Seundede/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/Seundede/Exercises-To-Learn-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeundede%2FExercises-To-Learn-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeundede%2FExercises-To-Learn-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2700eb38041fa917b7b62ae51c70f8e51aed38a4 [INFO] testing Seundede/Exercises-To-Learn-Rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeundede%2FExercises-To-Learn-Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Seundede/Exercises-To-Learn-Rust [INFO] finished tweaking git repo https://github.com/Seundede/Exercises-To-Learn-Rust [INFO] tweaked toml for git repo https://github.com/Seundede/Exercises-To-Learn-Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Seundede/Exercises-To-Learn-Rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Seundede/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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"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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3432602412cfa0705dce4b0c9dd0f40c7c677192fe183b67bab6db4e4d8a3f1e [INFO] running `Command { std: "docker" "start" "-a" "3432602412cfa0705dce4b0c9dd0f40c7c677192fe183b67bab6db4e4d8a3f1e", 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 scopeguard 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v0.11.1 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.13 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling filetime v0.2.23 [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 notify v6.1.1 [INFO] [stderr] Compiling iana-time-zone v0.1.60 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling headers v0.3.9 [INFO] [stderr] Compiling pulldown-cmark-escape v0.10.1 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling scoped-tls v1.0.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling fastrand v2.1.0 [INFO] [stderr] Compiling chrono v0.4.38 [INFO] [stderr] Compiling pathdiff v0.2.1 [INFO] [stderr] Compiling pulldown-cmark v0.11.0 [INFO] [stderr] Compiling terminal_size v0.3.0 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling tempfile v3.11.0 [INFO] [stderr] Compiling clap_builder v4.5.13 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling unicode-width v0.1.13 [INFO] [stderr] Compiling topological-sort v0.2.2 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling pulldown-cmark-escape v0.11.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling tryfrom v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/13_try_from) [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/13_try_from/src/lib.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays) [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> exercises/06_ticket_management/01_arrays/src/lib.rs:22:35 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_temperature(&self, day: Weekday) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> exercises/06_ticket_management/01_arrays/src/lib.rs:26:39 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn set_temperature(&mut self, day: Weekday, temperature: i32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temperature` [INFO] [stdout] --> exercises/06_ticket_management/01_arrays/src/lib.rs:26:53 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn set_temperature(&mut self, day: Weekday, temperature: i32) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome) [INFO] [stderr] Compiling intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro) [INFO] [stdout] warning: function `greeting` is never used [INFO] [stdout] --> exercises/01_intro/00_welcome/src/lib.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn greeting() -> &'static str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/03_ticket_v1/00_intro/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn intro() -> &'static str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (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 mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices) [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref) [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 variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/04_traits/07_deref/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 8 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | 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] Compiling syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stderr] Compiling outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [INFO] [stdout] warning: function `compute` is never used [INFO] [stdout] --> exercises/01_intro/01_syntax/src/lib.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn compute(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | 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_v2/03_variants_with_data/src/lib.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | 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_v2/03_variants_with_data/src/lib.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 20 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn assigned_to(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) [INFO] [stderr] Compiling if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/04_traits/04_derive/src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule) [INFO] [stderr] Compiling copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) [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 while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while) [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 interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) [INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for primitive types [INFO] [stdout] --> exercises/04_traits/02_orphan_rule/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | impl PartialEq for u32 { [INFO] [stdout] | ^^^^^---------^^^^^--- [INFO] [stdout] | | | [INFO] [stdout] | | `u32` is not defined in the current crate [INFO] [stdout] | `u32` is not defined in the current crate [INFO] [stdout] | [INFO] [stdout] = note: impl doesn't have any local type before any uncovered type parameters [INFO] [stdout] = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules [INFO] [stdout] = note: define and implement a trait or new type instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0117`. [INFO] [stdout] [INFO] [stderr] Compiling encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stderr] error: could not compile `orphan` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | counter: todo!(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `"not yet implemented"` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(value: T, counter: todo!()) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected type [INFO] [stdout] | in this macro invocation [INFO] [stdout] | this macro call doesn't expand to a type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::cell::RefCell; [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 import: `std::rc::Rc` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/05_encapsulation/src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 3 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 5 | 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 `interior_mutability` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3432602412cfa0705dce4b0c9dd0f40c7c677192fe183b67bab6db4e4d8a3f1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3432602412cfa0705dce4b0c9dd0f40c7c677192fe183b67bab6db4e4d8a3f1e", kill_on_drop: false }` [INFO] [stdout] 3432602412cfa0705dce4b0c9dd0f40c7c677192fe183b67bab6db4e4d8a3f1e