[INFO] cloning repository https://github.com/senmeannrealwat/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/senmeannrealwat/100-exercises-to-learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenmeannrealwat%2F100-exercises-to-learn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenmeannrealwat%2F100-exercises-to-learn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 51929b122d3c5b5297d68febe18b2d4e739b27fb [INFO] testing senmeannrealwat/100-exercises-to-learn-rust against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenmeannrealwat%2F100-exercises-to-learn-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/senmeannrealwat/100-exercises-to-learn-rust [INFO] finished tweaking git repo https://github.com/senmeannrealwat/100-exercises-to-learn-rust [INFO] tweaked toml for git repo https://github.com/senmeannrealwat/100-exercises-to-learn-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/senmeannrealwat/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/senmeannrealwat/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] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60353ad288db11612b97285b2de67f6ccb2deb4a9c621e5603d40e7a02b56924 [INFO] running `Command { std: "docker" "start" "-a" "60353ad288db11612b97285b2de67f6ccb2deb4a9c621e5603d40e7a02b56924", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60353ad288db11612b97285b2de67f6ccb2deb4a9c621e5603d40e7a02b56924", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60353ad288db11612b97285b2de67f6ccb2deb4a9c621e5603d40e7a02b56924", kill_on_drop: false }` [INFO] [stdout] 60353ad288db11612b97285b2de67f6ccb2deb4a9c621e5603d40e7a02b56924 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22a9fd892a26b5cdf04e110fd8ad0ecacdf6750004574e4c15f9395ee6d2bf86 [INFO] running `Command { std: "docker" "start" "-a" "22a9fd892a26b5cdf04e110fd8ad0ecacdf6750004574e4c15f9395ee6d2bf86", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Compiling unicode-normalization v0.1.23 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling anstyle-parse v0.2.5 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling anstyle-query v1.1.1 [INFO] [stderr] Compiling serde_json v1.0.122 [INFO] [stderr] Compiling colorchoice v1.0.2 [INFO] [stderr] Compiling anstream v0.6.15 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling indexmap v2.3.0 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Compiling clap_lex v0.7.2 [INFO] [stderr] Compiling idna v0.5.0 [INFO] [stderr] Compiling phf v0.11.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.13 [INFO] [stderr] Compiling pulldown-cmark v0.10.3 [INFO] [stderr] Compiling pulldown-cmark-escape v0.10.1 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling fastrand v2.1.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling mio v1.0.1 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling url v2.5.2 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling headers v0.3.9 [INFO] [stderr] Compiling unicode-width v0.1.13 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling pulldown-cmark v0.11.0 [INFO] [stderr] Compiling topological-sort v0.2.2 [INFO] [stderr] Compiling pathdiff v0.2.1 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling pulldown-cmark-escape v0.11.0 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) [INFO] [stderr] Compiling deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) [INFO] [stderr] Compiling intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro) [INFO] [stderr] Compiling from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from) [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing) [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] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let wrapping = WrappingU32::from(42); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | value: u32, [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 `example` is never used [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads) [INFO] [stderr] Compiling panics v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/04_panics) [INFO] [stderr] Compiling interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) [INFO] [stderr] Compiling intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) [INFO] [stdout] warning: function `speed` is never used [INFO] [stdout] --> exercises/02_basic_calculator/04_panics/src/lib.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn speed(start: u32, end: u32, time_elapsed: u32) -> 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 visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility) [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] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DropTracker { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct) [INFO] [stderr] Compiling derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) [INFO] [stderr] Compiling fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 8 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [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 for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for) [INFO] [stdout] warning: struct `Order` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/01_struct/src/lib.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Order { [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 `is_available` is never used [INFO] [stdout] --> exercises/03_ticket_v1/01_struct/src/lib.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Order { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 13 | fn is_available(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables) [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) -> Result { [INFO] [stdout] | ^^^ [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] [stderr] Compiling vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec) [INFO] [stderr] Compiling unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) [INFO] [stderr] Compiling trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait) [INFO] [stderr] Compiling intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | 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:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | 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:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 22 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn assigned_to(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial) [INFO] [stderr] Compiling if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/05_ticket_v2/00_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 integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers) [INFO] [stdout] warning: function `easy_ticket` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> 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: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 32 | pub fn new(title: String, description: String, status: Status) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync) [INFO] [stdout] warning: trait `IsEven` is never used [INFO] [stdout] --> exercises/04_traits/01_trait/src/lib.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | 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: function `compute` is never used [INFO] [stdout] --> exercises/02_basic_calculator/01_integers/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn compute(a: u32, b: u32) -> 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 validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) [INFO] [stderr] Compiling leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak) [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 welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome) [INFO] [stdout] warning: function `factorial` is never used [INFO] [stdout] --> exercises/02_basic_calculator/05_factorial/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn factorial(n: u64) -> u64 { [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 `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] [stderr] Compiling overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow) [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] [stderr] Compiling assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic) [INFO] [stderr] Compiling deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref) [INFO] [stderr] Compiling saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stdout] warning: trait `Power` is never used [INFO] [stdout] --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | trait Power { [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/03_ticket_v1/02_validation/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 22 | fn new(title: String, description: String, status: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules) [INFO] [stderr] Compiling references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory) [INFO] [stdout] warning: field `status` is never read [INFO] [stdout] --> exercises/04_traits/07_deref/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Ticket { [INFO] [stdout] | ------ field in this struct [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 if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) [INFO] [stderr] Compiling scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads) [INFO] [stderr] Compiling orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 18 | fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_todo_ticket` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn create_todo_ticket(title: String, description: String) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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 mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices) [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] [stderr] Compiling intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro) [INFO] [stderr] Compiling intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro) [INFO] [stderr] Compiling terminal_size v0.3.0 [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] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling clap_builder v4.5.13 [INFO] [stdout] warning: function `squared` is never used [INFO] [stdout] --> exercises/06_ticket_management/11_mutable_slices/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn squared(list: &mut [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 tempfile v3.11.0 [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/02_basic_calculator/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 setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) [INFO] [stderr] Compiling stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack) [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays) [INFO] [stderr] Compiling slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) [INFO] [stderr] Compiling tryfrom v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/13_try_from) [INFO] [stderr] Compiling syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stderr] Compiling destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor) [INFO] [stdout] warning: function `sum` is never used [INFO] [stdout] --> exercises/06_ticket_management/10_slices/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn sum(list: &[u32]) -> 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 intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro) [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] [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: u32, b: u32) -> u32 { [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 `outro` is never used [INFO] [stdout] --> exercises/03_ticket_v1/11_destructor/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | 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] [stderr] Compiling static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static) [INFO] [stderr] Compiling as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting) [INFO] [stderr] Compiling clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone) [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/07_threads/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 copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) [INFO] [stderr] Compiling overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading) [INFO] [stderr] Compiling sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) [INFO] [stderr] Compiling intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/04_traits/03_operator_overloading/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | 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 outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [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] [stderr] Compiling heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap) [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/09_heap/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] [stderr] Compiling error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) [INFO] [stderr] Compiling trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds) [INFO] [stderr] Compiling drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop) [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | 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_v2/08_error_enums/src/lib.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | 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_v2/08_error_enums/src/lib.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:34:6 [INFO] [stdout] | [INFO] [stdout] 34 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 41 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | 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_v2/01_enum/src/lib.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 21 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn title(&self) -> &String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn status(&self) -> &Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stderr] Compiling nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stdout] warning: struct `DropBomb` is never constructed [INFO] [stdout] --> exercises/04_traits/13_drop/src/lib.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct DropBomb { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `defuse` are never used [INFO] [stdout] --> exercises/04_traits/13_drop/src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl DropBomb { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn defuse(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stderr] Compiling while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while) [INFO] [stderr] Compiling match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) [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] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership) [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | 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:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | 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:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | 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:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | 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:58:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 58 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [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] [stderr] Compiling pulldown-cmark-to-cmark v15.0.1 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling html5ever v0.27.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Compiling tokio v1.39.2 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Compiling ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields) [INFO] [stderr] Compiling pest v2.7.11 [INFO] [stderr] Compiling outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro) [INFO] [stderr] Compiling source v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/14_source) [INFO] [stderr] Compiling lifetime v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/06_lifetimes) [INFO] [stderr] Compiling pin-project v1.1.5 [INFO] [stderr] Compiling response v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/07_ack) [INFO] [stderr] Compiling impl_trait v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/08_impl_trait) [INFO] [stderr] Compiling index v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/13_index) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/06_lifetimes/src/lib.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock) [INFO] [stderr] Compiling without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels) [INFO] [stderr] Compiling locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/08_impl_trait/src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TrySendError` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [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: `TrySendError` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling combinators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/07_combinators) [INFO] [stderr] Compiling channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/05_channels) [INFO] [stderr] Compiling iter v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/05_iter) [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/07_combinators/src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/05_iter/src/lib.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 52 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling btreemap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/16_btreemap) [INFO] [stderr] Compiling hashmap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/15_hashmap) [INFO] [stderr] Compiling client v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/08_client) [INFO] [stderr] Compiling impl_trait_2 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/09_impl_trait_2) [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling iterators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/04_iterators) [INFO] [stderr] Compiling index_mut v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/14_index_mut) [INFO] [stderr] Compiling bstr v1.10.0 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling patch v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/10_patch) [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/10_patch/src/lib.rs:76:1 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/10_patch/src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling env_filter v0.1.2 [INFO] [stderr] Compiling bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded) [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, Sender, SyncSender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling two_states v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/12_two_states) [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:62:1 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/12_two_states/src/lib.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling env_logger v0.11.5 [INFO] [stderr] Compiling thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror) [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | 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:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | 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:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | 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:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 35 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v4.5.13 [INFO] [stderr] Compiling clap_complete v4.5.12 [INFO] [stderr] Compiling globset v0.4.14 [INFO] [stderr] Compiling opener v0.7.1 [INFO] [stderr] Compiling pest_meta v2.7.11 [INFO] [stderr] Compiling ignore v0.4.22 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.2 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Compiling markup5ever v0.12.1 [INFO] [stderr] Compiling tungstenite v0.21.0 [INFO] [stderr] Compiling pest_generator v2.7.11 [INFO] [stderr] Compiling pest_derive v2.7.11 [INFO] [stderr] Compiling tokio-util v0.7.11 [INFO] [stderr] Compiling tokio-tungstenite v0.21.0 [INFO] [stderr] Compiling blocking v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/05_blocking) [INFO] [stderr] Compiling outro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/08_outro) [INFO] [stderr] Compiling future v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/04_future) [INFO] [stderr] Compiling spawn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/02_spawn) [INFO] [stderr] Compiling async_locks v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/06_async_aware_primitives) [INFO] [stderr] Compiling runtime v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/03_runtime) [INFO] [stderr] Compiling async_fn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/01_async_fn) [INFO] [stderr] Compiling cancellation v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/07_cancellation) [INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt` [INFO] [stdout] --> exercises/08_futures/01_async_fn/src/lib.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | io::{AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawner` is never used [INFO] [stdout] --> exercises/08_futures/04_future/src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn spawner() { [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 `example` is never used [INFO] [stdout] --> exercises/08_futures/04_future/src/lib.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | async fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling h2 v0.3.26 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling bimap v0.6.3 [INFO] [stderr] Compiling elasticlunr-rs v3.0.2 [INFO] [stderr] Compiling handlebars v5.1.2 [INFO] [stderr] Compiling ammonia v4.0.0 [INFO] [stderr] Compiling hyper v0.14.30 [INFO] [stderr] Compiling warp v0.3.7 [INFO] [stderr] Compiling mdbook v0.4.40 [INFO] [stderr] Compiling mdbook-exercise-linker v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-exercise-linker) [INFO] [stderr] Compiling mdbook-link-shortener v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-link-shortener) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s [INFO] running `Command { std: "docker" "inspect" "22a9fd892a26b5cdf04e110fd8ad0ecacdf6750004574e4c15f9395ee6d2bf86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22a9fd892a26b5cdf04e110fd8ad0ecacdf6750004574e4c15f9395ee6d2bf86", kill_on_drop: false }` [INFO] [stdout] 22a9fd892a26b5cdf04e110fd8ad0ecacdf6750004574e4c15f9395ee6d2bf86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c36e52461b84481a5e9f9a40fe84e1dda6cf7ebeee3382be59383dc6941c6f71 [INFO] running `Command { std: "docker" "start" "-a" "c36e52461b84481a5e9f9a40fe84e1dda6cf7ebeee3382be59383dc6941c6f71", kill_on_drop: false }` [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/10_patch/src/lib.rs:76:1 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/10_patch/src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TrySendError` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, Sender, SyncSender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:62:1 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TrySendError` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 52 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/07_combinators/src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/06_lifetimes/src/lib.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/05_iter/src/lib.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/12_two_states/src/lib.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/08_impl_trait/src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt` [INFO] [stdout] --> exercises/08_futures/01_async_fn/src/lib.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | io::{AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | 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:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | 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:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | 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:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 35 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawner` is never used [INFO] [stdout] --> exercises/08_futures/04_future/src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn spawner() { [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 `example` is never used [INFO] [stdout] --> exercises/08_futures/04_future/src/lib.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | async fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [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] [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: 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: u32, b: u32) -> u32 { [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/04_traits/03_operator_overloading/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | 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: field `status` is never read [INFO] [stdout] --> exercises/04_traits/07_deref/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Ticket { [INFO] [stdout] | ------ field in this struct [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] [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] [stdout] warning: function `easy_ticket` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn easy_ticket(title: String, description: String, status: Status) -> 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: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 32 | pub fn new(title: String, description: String, status: Status) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `squared` is never used [INFO] [stdout] --> exercises/06_ticket_management/11_mutable_slices/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn squared(list: &mut [i32]) { [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 `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/07_threads/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 `compute` is never used [INFO] [stdout] --> exercises/02_basic_calculator/01_integers/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn compute(a: u32, b: u32) -> u32 { [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_v2/03_variants_with_data/src/lib.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | 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:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | 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:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 22 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn assigned_to(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Order` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/01_struct/src/lib.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Order { [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 `is_available` is never used [INFO] [stdout] --> exercises/03_ticket_v1/01_struct/src/lib.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Order { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 13 | fn is_available(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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] [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: trait `IsEven` is never used [INFO] [stdout] --> exercises/04_traits/01_trait/src/lib.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | 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: field `value` is never read [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DropTracker { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | value: T, [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_v2/06_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) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 8 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | 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_v2/01_enum/src/lib.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 21 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn title(&self) -> &String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn status(&self) -> &Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `intro` is never used [INFO] [stdout] --> exercises/05_ticket_v2/00_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: struct `DropBomb` is never constructed [INFO] [stdout] --> exercises/04_traits/13_drop/src/lib.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct DropBomb { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `defuse` are never used [INFO] [stdout] --> exercises/04_traits/13_drop/src/lib.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl DropBomb { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn defuse(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [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] [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: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | 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_v2/08_error_enums/src/lib.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | 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_v2/08_error_enums/src/lib.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Status` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:34:6 [INFO] [stdout] | [INFO] [stdout] 34 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 41 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TicketNewError` is never used [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | 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:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | 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:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | 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:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | 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:58:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 58 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `factorial` is never used [INFO] [stdout] --> exercises/02_basic_calculator/05_factorial/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn factorial(n: u64) -> u64 { [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/03_ticket_v1/03_modules/src/lib.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 18 | fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_todo_ticket` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn create_todo_ticket(title: String, description: String) -> Ticket { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Power` is never used [INFO] [stdout] --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | trait Power { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/09_heap/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: function `sum` is never used [INFO] [stdout] --> exercises/06_ticket_management/10_slices/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn sum(list: &[u32]) -> u32 { [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_v2/13_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] [stdout] warning: function `speed` is never used [INFO] [stdout] --> exercises/02_basic_calculator/04_panics/src/lib.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn speed(start: u32, end: u32, time_elapsed: u32) -> u32 { [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/02_basic_calculator/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: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let wrapping = WrappingU32::from(42); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | value: u32, [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 `example` is never used [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn example() { [INFO] [stdout] | ^^^^^^^ [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] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 22 | fn new(title: String, description: String, status: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [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: function `outro` is never used [INFO] [stdout] --> exercises/03_ticket_v1/11_destructor/src/lib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | 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/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] 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] [stderr] Compiling mdbook-link-shortener v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-link-shortener) [INFO] [stderr] Compiling mdbook-exercise-linker v0.1.0 (/opt/rustwide/workdir/helpers/mdbook-exercise-linker) [INFO] [stderr] Compiling error_trait v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/09_error_trait) [INFO] [stderr] Compiling packages v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/10_packages) [INFO] [stderr] Compiling outro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/12_outro) [INFO] [stderr] Compiling without_channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/13_without_channels) [INFO] [stderr] Compiling locks v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/11_locks) [INFO] [stderr] Compiling bounded v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/09_bounded) [INFO] [stderr] Compiling client v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/08_client) [INFO] [stderr] Compiling rwlock v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/12_rw_lock) [INFO] [stderr] Compiling outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro) [INFO] [stderr] Compiling response v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/07_ack) [INFO] [stderr] Compiling channels v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/05_channels) [INFO] [stderr] Compiling patch v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/10_patch) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 51 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 52 | ToDo, [INFO] [stdout] 53 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 54 | 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling index v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/13_index) [INFO] [stderr] Compiling iterators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/04_iterators) [INFO] [stderr] Compiling btreemap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/16_btreemap) [INFO] [stdout] warning: unused variable: `ticket2` [INFO] [stdout] --> exercises/06_ticket_management/13_index/src/lib.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | let ticket2 = &store[&id2]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling combinators v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/07_combinators) [INFO] [stderr] Compiling impl_trait_2 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/09_impl_trait_2) [INFO] [stderr] Compiling impl_trait v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/08_impl_trait) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/07_combinators/src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling index_mut v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/14_index_mut) [INFO] [stderr] Compiling lifetime v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/06_lifetimes) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/08_impl_trait/src/lib.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> exercises/06_ticket_management/16_btreemap/src/lib.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | for i in 0..n_tickets { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/06_lifetimes/src/lib.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 42 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sender` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, Sender, SyncSender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/10_patch/src/lib.rs:76:1 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/10_patch/src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:62:1 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/09_bounded/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling two_states v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/12_two_states) [INFO] [stderr] Compiling hashmap v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/15_hashmap) [INFO] [stdout] warning: unused import: `TrySendError` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:4:59 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling iter v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/05_iter) [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/11_locks/src/lib.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 52 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ticket2` [INFO] [stdout] --> exercises/06_ticket_management/12_two_states/src/lib.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let ticket2 = store.get(id2).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/12_two_states/src/lib.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling runtime v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/03_runtime) [INFO] [stderr] Compiling blocking v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/05_blocking) [INFO] [stderr] Compiling spawn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/02_spawn) [INFO] [stderr] Compiling outro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/15_outro) [INFO] [stdout] warning: unused import: `TrySendError` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Command` is more private than the item `server` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn server(receiver: Receiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stdout] --> exercises/07_threads/12_rw_lock/src/lib.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | enum Command { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling future v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/04_future) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> exercises/06_ticket_management/05_iter/src/lib.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling outro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/08_outro) [INFO] [stderr] Compiling async_fn v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/01_async_fn) [INFO] [stderr] Compiling thiserror_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/12_thiserror) [INFO] [stdout] warning: function `spawner` is never used [INFO] [stdout] --> exercises/08_futures/04_future/src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn spawner() { [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 `example` is never used [INFO] [stdout] --> exercises/08_futures/04_future/src/lib.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | async fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 29 | ToDo, [INFO] [stdout] 30 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 31 | 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling async_locks v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/06_async_aware_primitives) [INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt` [INFO] [stdout] --> exercises/08_futures/01_async_fn/src/lib.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | io::{AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ticket_fields v0.1.0 (/opt/rustwide/workdir/helpers/ticket_fields) [INFO] [stderr] Compiling cancellation v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/07_cancellation) [INFO] [stderr] Compiling source v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/14_source) [INFO] [stderr] Compiling deps v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/11_dependencies) [INFO] [stderr] Compiling setters v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/07_setters) [INFO] [stderr] Compiling variants_with_data v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/03_variants_with_data) [INFO] [stderr] Compiling enum_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/01_enum) [INFO] [stderr] Compiling fallibility v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/06_fallibility) [INFO] [stderr] Compiling error_enums v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/08_error_enums) [INFO] [stderr] Compiling unwrap v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/07_unwrap) [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stdout] --> exercises/05_ticket_v2/01_enum/src/lib.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Ticket { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 21 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn title(&self) -> &String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn description(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn status(&self) -> &Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [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:27:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 26 | ToDo, [INFO] [stdout] 27 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 28 | 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling validation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/02_validation) [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 13 | ToDo, [INFO] [stdout] 14 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 15 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nullability v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/05_nullability) [INFO] [stderr] Compiling str_slice v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/06_str_slice) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | DescriptionError(String), [INFO] [stdout] | ---------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TicketNewError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 - DescriptionError(String), [INFO] [stdout] 7 + DescriptionError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InProgress` and `Done` are never constructed [INFO] [stdout] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | enum Status { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 35 | ToDo, [INFO] [stdout] 36 | InProgress { assigned_to: String }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 37 | 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] [INFO] [stdout] [INFO] [stderr] Compiling welcome_00 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/02_validation/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct Ticket { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 4 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | 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 vec v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/02_vec) [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays) [INFO] [stderr] Compiling overflow v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow) [INFO] [stderr] Compiling drop v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/13_drop) [INFO] [stderr] Compiling static v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/02_static) [INFO] [stderr] Compiling interior_mutability v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/06_interior_mutability) [INFO] [stderr] Compiling saturating v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/09_saturating) [INFO] [stderr] Compiling assoc_vs_generic v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/10_assoc_vs_generic) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let a = DropTracker::new(5, Rc::clone(&counter)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let b = DropTracker::new(6, Rc::clone(&counter)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DropTracker { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 8 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor) [INFO] [stdout] warning: unused variable: `bomb` [INFO] [stdout] --> exercises/04_traits/13_drop/src/lib.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let bomb = DropBomb::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_bomb` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling if_let v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/04_if_let) [INFO] [stderr] Compiling intro_07 v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/00_intro) [INFO] [stderr] Compiling sync v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/14_sync) [INFO] [stdout] warning: field `border` is never read [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | Square { border: f64 }, [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | Rectangle { width: f64, height: f64 }, [INFO] [stdout] | --------- ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling trait_ v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/01_trait) [INFO] [stderr] Compiling encapsulation v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/05_encapsulation) [INFO] [stderr] Compiling from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from) [INFO] [stderr] Compiling panics v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/04_panics) [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling struct_ v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/01_struct) [INFO] [stdout] warning: unused variable: `wrapping` [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let wrapping = WrappingU32::from(42); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct WrappingU32 { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | value: u32, [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 `example` is never used [INFO] [stdout] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn example() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling visibility v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/04_visibility) [INFO] [stderr] Compiling stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack) [INFO] [stdout] warning: unused variable: `ticket` [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let ticket = Ticket { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 8 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `should_not_be_possible` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn should_not_be_possible() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `encapsulation_cannot_be_violated` is never used [INFO] [stdout] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn encapsulation_cannot_be_violated() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `price` is never read [INFO] [stdout] --> exercises/03_ticket_v1/01_struct/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Order { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 8 | price: 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 orphan v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/02_orphan_rule) [INFO] [stderr] Compiling derives v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/04_derive) [INFO] [stderr] Compiling leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak) [INFO] [stderr] Compiling for_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/07_for) [INFO] [stderr] Compiling tryfrom v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/13_try_from) [INFO] [stderr] Compiling modules v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/03_modules) [INFO] [stderr] Compiling while_ v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/06_while) [INFO] [stderr] Compiling references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory) [INFO] [stderr] Compiling heap v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/09_heap) [INFO] [stderr] Compiling deref v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/07_deref) [INFO] [stdout] warning: struct `Ticket` is never constructed [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Ticket { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Ticket { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 18 | fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_todo_ticket` is never used [INFO] [stdout] --> exercises/03_ticket_v1/03_modules/src/lib.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn create_todo_ticket(title: String, description: String) -> Ticket { [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] [stderr] Compiling if_else v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/03_if_else) [INFO] [stdout] warning: fields `title`, `description`, and `status` are never read [INFO] [stdout] --> exercises/03_ticket_v1/09_heap/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: field `status` is never read [INFO] [stdout] --> exercises/04_traits/07_deref/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Ticket { [INFO] [stdout] | ------ field in this struct [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 integers v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/01_integers) [INFO] [stderr] Compiling copy v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/12_copy) [INFO] [stderr] Compiling intro_04 v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/00_intro) [INFO] [stderr] Compiling intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro) [INFO] [stderr] Compiling intro_05 v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/00_intro) [INFO] [stderr] Compiling threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/01_threads) [INFO] [stderr] Compiling trait_bounds v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/05_trait_bounds) [INFO] [stderr] Compiling intro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/00_intro) [INFO] [stderr] Compiling syntax v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_syntax) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/02_variables) [INFO] [stderr] Compiling factorial v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/05_factorial) [INFO] [stderr] Compiling slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/10_slices) [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/06_ownership) [INFO] [stderr] Compiling intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro) [INFO] [stderr] Compiling overloading v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/03_operator_overloading) [INFO] [stderr] Compiling mut_slice v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/11_mutable_slices) [INFO] [stderr] Compiling as_cast v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/10_as_casting) [INFO] [stderr] Compiling sized v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/08_sized) [INFO] [stderr] Compiling resizing v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/03_resizing) [INFO] [stderr] Compiling scoped_threads v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/04_scoped_threads) [INFO] [stderr] Compiling clone v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/11_clone) [INFO] [stderr] Compiling match_ v0.1.0 (/opt/rustwide/workdir/exercises/05_ticket_v2/02_match) [INFO] [stderr] Compiling intro_01 v0.1.0 (/opt/rustwide/workdir/exercises/02_basic_calculator/00_intro) [INFO] [stderr] Compiling common v0.1.0 (/opt/rustwide/workdir/helpers/common) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 14.88s [INFO] running `Command { std: "docker" "inspect" "c36e52461b84481a5e9f9a40fe84e1dda6cf7ebeee3382be59383dc6941c6f71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c36e52461b84481a5e9f9a40fe84e1dda6cf7ebeee3382be59383dc6941c6f71", kill_on_drop: false }` [INFO] [stdout] c36e52461b84481a5e9f9a40fe84e1dda6cf7ebeee3382be59383dc6941c6f71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e225c3f5b2588015bc5ec2ffe32d52d723d45202ea30038e876f4df3d5790f8b [INFO] running `Command { std: "docker" "start" "-a" "e225c3f5b2588015bc5ec2ffe32d52d723d45202ea30038e876f4df3d5790f8b", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Sender` [INFO] [stderr] --> exercises/07_threads/09_bounded/src/lib.rs:4:47 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc::{sync_channel, Receiver, Sender, SyncSender}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Command` is more private than the item `server` [INFO] [stderr] --> exercises/07_threads/09_bounded/src/lib.rs:62:1 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn server(receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stderr] | [INFO] [stderr] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stderr] --> exercises/07_threads/09_bounded/src/lib.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | enum Command { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TrySendError` [INFO] [stderr] --> exercises/07_threads/12_rw_lock/src/lib.rs:3:59 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Command` is more private than the item `server` [INFO] [stderr] --> exercises/07_threads/12_rw_lock/src/lib.rs:62:1 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn server(receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stderr] | [INFO] [stderr] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stderr] --> exercises/07_threads/12_rw_lock/src/lib.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | enum Command { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TrySendError` [INFO] [stderr] --> exercises/07_threads/11_locks/src/lib.rs:4:59 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc::{sync_channel, Receiver, SyncSender, TrySendError}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Command` is more private than the item `server` [INFO] [stderr] --> exercises/07_threads/11_locks/src/lib.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn server(receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stderr] | [INFO] [stderr] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stderr] --> exercises/07_threads/11_locks/src/lib.rs:52:1 [INFO] [stderr] | [INFO] [stderr] 52 | enum Command { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Command` is more private than the item `server` [INFO] [stderr] --> exercises/07_threads/10_patch/src/lib.rs:76:1 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn server(receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `server` is reachable at visibility `pub` [INFO] [stderr] | [INFO] [stderr] note: but type `Command` is only usable at visibility `pub(crate)` [INFO] [stderr] --> exercises/07_threads/10_patch/src/lib.rs:61:1 [INFO] [stderr] | [INFO] [stderr] 61 | enum Command { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `bounded` (lib) generated 2 warnings (run `cargo fix --lib -p bounded` to apply 1 suggestion) [INFO] [stderr] warning: `rwlock` (lib) generated 2 warnings (run `cargo fix --lib -p rwlock` to apply 1 suggestion) [INFO] [stderr] warning: `locks` (lib) generated 2 warnings (run `cargo fix --lib -p locks` to apply 1 suggestion) [INFO] [stderr] warning: `patch` (lib) generated 1 warning [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> exercises/06_ticket_management/12_two_states/src/lib.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 67 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> exercises/06_ticket_management/07_combinators/src/lib.rs:43:17 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> exercises/06_ticket_management/06_lifetimes/src/lib.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 42 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `two_states` (lib) generated 1 warning (run `cargo fix --lib -p two_states` to apply 1 suggestion) [INFO] [stderr] warning: `combinators` (lib) generated 1 warning (run `cargo fix --lib -p combinators` to apply 1 suggestion) [INFO] [stderr] warning: `lifetime` (lib) generated 1 warning (run `cargo fix --lib -p lifetime` to apply 1 suggestion) [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> exercises/06_ticket_management/08_impl_trait/src/lib.rs:43:17 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 43 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> exercises/06_ticket_management/05_iter/src/lib.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 34 | pub fn iter(&self) -> std::slice::Iter<'_, Ticket> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt` [INFO] [stderr] --> exercises/08_futures/01_async_fn/src/lib.rs:2:10 [INFO] [stderr] | [INFO] [stderr] 2 | io::{AsyncReadExt, AsyncWriteExt}, [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `TicketNewError` is never used [INFO] [stderr] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:9:6 [INFO] [stderr] | [INFO] [stderr] 9 | enum TicketNewError { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:28:6 [INFO] [stderr] | [INFO] [stderr] 28 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 34 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 35 | pub fn new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `spawner` is never used [INFO] [stderr] --> exercises/08_futures/04_future/src/lib.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn spawner() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `example` is never used [INFO] [stderr] --> exercises/08_futures/04_future/src/lib.rs:12:10 [INFO] [stderr] | [INFO] [stderr] 12 | async fn example() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow::Error` [INFO] [stderr] --> exercises/05_ticket_v2/11_dependencies/src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use anyhow::Error; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `impl_trait` (lib) generated 1 warning (run `cargo fix --lib -p impl_trait` to apply 1 suggestion) [INFO] [stderr] warning: `iter` (lib) generated 1 warning (run `cargo fix --lib -p iter` to apply 1 suggestion) [INFO] [stderr] warning: `async_fn` (lib) generated 1 warning (run `cargo fix --lib -p async_fn` to apply 1 suggestion) [INFO] [stderr] warning: `thiserror_` (lib) generated 4 warnings [INFO] [stderr] warning: `future` (lib) generated 2 warnings [INFO] [stderr] warning: `deps` (lib) generated 1 warning (run `cargo fix --lib -p deps` to apply 1 suggestion) [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/07_threads/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/06_ticket_management/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/04_traits/04_derive/src/lib.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `greeting` is never used [INFO] [stderr] --> exercises/01_intro/00_welcome/src/lib.rs:18:4 [INFO] [stderr] | [INFO] [stderr] 18 | fn greeting() -> &'static str { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/05_nullability/src/lib.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/05_nullability/src/lib.rs:11:6 [INFO] [stderr] | [INFO] [stderr] 11 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `assigned_to` are never used [INFO] [stderr] --> exercises/05_ticket_v2/05_nullability/src/lib.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 17 | impl Ticket { [INFO] [stderr] | ----------- associated items in this implementation [INFO] [stderr] 18 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 38 | pub fn assigned_to(&self) -> Option<&String> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `compute` is never used [INFO] [stderr] --> exercises/02_basic_calculator/01_integers/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn compute(a: u32, b: u32) -> u32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `squared` is never used [INFO] [stderr] --> exercises/06_ticket_management/11_mutable_slices/src/lib.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn squared(list: &mut [i32]) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `intro_07` (lib) generated 1 warning [INFO] [stderr] warning: `intro_05` (lib) generated 1 warning [INFO] [stderr] warning: `derives` (lib) generated 1 warning [INFO] [stderr] warning: `welcome_00` (lib) generated 1 warning [INFO] [stderr] warning: `nullability` (lib) generated 3 warnings [INFO] [stderr] warning: `integers` (lib) generated 1 warning [INFO] [stderr] warning: `mut_slice` (lib) generated 1 warning [INFO] [stderr] warning: fields `title`, `description`, and `status` are never read [INFO] [stderr] --> exercises/03_ticket_v1/09_heap/src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Ticket { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 2 | title: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 3 | description: String, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 4 | status: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:2:16 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:9:16 [INFO] [stderr] | [INFO] [stderr] 8 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 9 | pub fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/02_basic_calculator/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/05_ticket_v2/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/04_traits/03_operator_overloading/src/lib.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/03_ticket_v1/03_modules/src/lib.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/03_ticket_v1/03_modules/src/lib.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 17 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 18 | fn new(title: String, description: String, status: String) -> Ticket { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `create_todo_ticket` is never used [INFO] [stderr] --> exercises/03_ticket_v1/03_modules/src/lib.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | fn create_todo_ticket(title: String, description: String) -> Ticket { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/04_traits/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `title`, `description`, and `status` are never read [INFO] [stderr] --> exercises/03_ticket_v1/10_references_in_memory/src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Ticket { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 2 | title: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 3 | description: String, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 4 | status: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/13_try_from/src/lib.rs:5:6 [INFO] [stderr] | [INFO] [stderr] 5 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `status` is never read [INFO] [stderr] --> exercises/04_traits/07_deref/src/lib.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct Ticket { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 10 | status: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `heap` (lib) generated 1 warning [INFO] [stderr] warning: `visibility` (lib) generated 2 warnings [INFO] [stderr] warning: `intro_01` (lib) generated 1 warning [INFO] [stderr] warning: `intro_04` (lib) generated 1 warning [INFO] [stderr] warning: `overloading` (lib) generated 1 warning [INFO] [stderr] warning: `modules` (lib) generated 3 warnings [INFO] [stderr] warning: `intro_03` (lib) generated 1 warning [INFO] [stderr] warning: `references_in_memory` (lib) generated 1 warning [INFO] [stderr] warning: `tryfrom` (lib) generated 1 warning [INFO] [stderr] warning: `deref` (lib) generated 1 warning [INFO] [stderr] warning: unused variable: `wrapping` [INFO] [stderr] --> exercises/04_traits/09_from/src/lib.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let wrapping: WrappingU32 = 42.into(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `wrapping` [INFO] [stderr] --> exercises/04_traits/09_from/src/lib.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let wrapping = WrappingU32::from(42); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapping` [INFO] [stderr] [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> exercises/04_traits/09_from/src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct WrappingU32 { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] 4 | value: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `example` is never used [INFO] [stderr] --> exercises/04_traits/09_from/src/lib.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn example() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/08_futures/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `compute` is never used [INFO] [stderr] --> exercises/01_intro/01_syntax/src/lib.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn compute(a: u32, b: u32) -> u32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Shape` is never used [INFO] [stderr] --> exercises/05_ticket_v2/02_match/src/lib.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum Shape { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `n_sides` is never used [INFO] [stderr] --> exercises/05_ticket_v2/02_match/src/lib.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 9 | impl Shape { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] 10 | // TODO: Implement the `n_sides` method using a `match`. [INFO] [stderr] 11 | pub fn n_sides(&self) -> u8 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:12:6 [INFO] [stderr] | [INFO] [stderr] 12 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 18 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 19 | pub fn new(title: String, description: String, status: Status) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Order` is never constructed [INFO] [stderr] --> exercises/03_ticket_v1/01_struct/src/lib.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct Order { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `is_available` is never used [INFO] [stderr] --> exercises/03_ticket_v1/01_struct/src/lib.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 12 | impl Order { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] 13 | fn is_available(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `IsEven` is never used [INFO] [stderr] --> exercises/04_traits/01_trait/src/lib.rs:5:7 [INFO] [stderr] | [INFO] [stderr] 5 | trait IsEven { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `intro` is never used [INFO] [stderr] --> exercises/03_ticket_v1/00_intro/src/lib.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn intro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:15:6 [INFO] [stderr] | [INFO] [stderr] 15 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `assigned_to` are never used [INFO] [stderr] --> exercises/05_ticket_v2/03_variants_with_data/src/lib.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 21 | impl Ticket { [INFO] [stderr] | ----------- associated items in this implementation [INFO] [stderr] 22 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | pub fn assigned_to(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `factorial` is never used [INFO] [stderr] --> exercises/02_basic_calculator/05_factorial/src/lib.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn factorial(n: u64) -> u64 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `DropBomb` is never constructed [INFO] [stderr] --> exercises/04_traits/13_drop/src/lib.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct DropBomb { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `defuse` are never used [INFO] [stderr] --> exercises/04_traits/13_drop/src/lib.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 11 | impl DropBomb { [INFO] [stderr] | ------------- associated items in this implementation [INFO] [stderr] 12 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 15 | fn defuse(&mut self) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/01_enum/src/lib.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/01_enum/src/lib.rs:14:6 [INFO] [stderr] | [INFO] [stderr] 14 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stderr] --> exercises/05_ticket_v2/01_enum/src/lib.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 20 | impl Ticket { [INFO] [stderr] | ----------- associated items in this implementation [INFO] [stderr] 21 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | pub fn title(&self) -> &String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 46 | pub fn description(&self) -> &String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 50 | pub fn status(&self) -> &Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `from` (lib) generated 4 warnings [INFO] [stderr] warning: `intro_08` (lib) generated 1 warning [INFO] [stderr] warning: `syntax` (lib) generated 1 warning [INFO] [stderr] warning: `match_` (lib) generated 2 warnings [INFO] [stderr] warning: `fallibility` (lib) generated 3 warnings [INFO] [stderr] warning: `struct_` (lib) generated 2 warnings [INFO] [stderr] warning: `trait_` (lib) generated 1 warning [INFO] [stderr] warning: `intro_02` (lib) generated 1 warning [INFO] [stderr] warning: `variants_with_data` (lib) generated 3 warnings [INFO] [stderr] warning: `factorial` (lib) generated 1 warning [INFO] [stderr] warning: `drop` (lib) generated 2 warnings [INFO] [stderr] warning: `enum_` (lib) generated 3 warnings [INFO] [stderr] warning: function `speed` is never used [INFO] [stderr] --> exercises/02_basic_calculator/04_panics/src/lib.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn speed(start: u32, end: u32, time_elapsed: u32) -> u32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: trait `Power` is never used [INFO] [stderr] --> exercises/04_traits/10_assoc_vs_generic/src/lib.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | trait Power { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `sum` is never used [INFO] [stderr] --> exercises/06_ticket_management/10_slices/src/lib.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn sum(list: &[u32]) -> u32 { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/03_ticket_v1/02_validation/src/lib.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/03_ticket_v1/02_validation/src/lib.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 9 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 22 | fn new(title: String, description: String, status: String) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `TicketNewError` is never used [INFO] [stderr] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:9:6 [INFO] [stderr] | [INFO] [stderr] 9 | enum TicketNewError { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `easy_ticket` is never used [INFO] [stderr] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:51:6 [INFO] [stderr] | [INFO] [stderr] 51 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:58:12 [INFO] [stderr] | [INFO] [stderr] 57 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 58 | pub fn new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `is_even` is never used [INFO] [stderr] --> exercises/02_basic_calculator/03_if_else/src/lib.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn is_even(n: u32) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> exercises/07_threads/06_interior_mutability/src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct DropTracker { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] 8 | value: T, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `easy_ticket` is never used [INFO] [stderr] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:25:6 [INFO] [stderr] | [INFO] [stderr] 25 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 31 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 32 | pub fn new(title: String, description: String, status: Status) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `TicketNewError` is never used [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:5:6 [INFO] [stderr] | [INFO] [stderr] 5 | enum TicketNewError { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `easy_ticket` is never used [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn easy_ticket(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Ticket` is never constructed [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | struct Ticket { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Status` is never used [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:34:6 [INFO] [stderr] | [INFO] [stderr] 34 | enum Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:41:12 [INFO] [stderr] | [INFO] [stderr] 40 | impl Ticket { [INFO] [stderr] | ----------- associated function in this implementation [INFO] [stderr] 41 | pub fn new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Shape` is never used [INFO] [stderr] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum Shape { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `radius` is never used [INFO] [stderr] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 7 | impl Shape { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 10 | pub fn radius(&self) -> f64 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `panics` (lib) generated 1 warning [INFO] [stderr] warning: `assoc_vs_generic` (lib) generated 1 warning [INFO] [stderr] warning: `slice` (lib) generated 1 warning [INFO] [stderr] warning: `validation` (lib) generated 2 warnings [INFO] [stderr] warning: `error_trait` (lib) generated 5 warnings [INFO] [stderr] warning: `if_else` (lib) generated 1 warning [INFO] [stderr] warning: `interior_mutability` (lib) generated 1 warning [INFO] [stderr] warning: `unwrap` (lib) generated 4 warnings [INFO] [stderr] warning: `error_enums` (lib) generated 5 warnings [INFO] [stderr] warning: `if_let` (lib) generated 2 warnings [INFO] [stderr] warning: function `outro` is never used [INFO] [stderr] --> exercises/07_threads/14_sync/src/lib.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn outro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `outro` is never used [INFO] [stderr] --> exercises/03_ticket_v1/11_destructor/src/lib.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn outro() -> &'static str { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `sync` (lib) generated 1 warning [INFO] [stderr] warning: `destructor` (lib) generated 1 warning [INFO] [stderr] warning: variants `InProgress` and `Done` are never constructed [INFO] [stderr] --> exercises/05_ticket_v2/09_error_trait/src/lib.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 51 | enum Status { [INFO] [stderr] | ------ variants in this enum [INFO] [stderr] 52 | ToDo, [INFO] [stderr] 53 | InProgress { assigned_to: String }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 54 | Done, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `error_trait` (lib test) generated 1 warning [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> exercises/06_ticket_management/16_btreemap/src/lib.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | for i in 0..n_tickets { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ticket2` [INFO] [stderr] --> exercises/06_ticket_management/13_index/src/lib.rs:99:13 [INFO] [stderr] | [INFO] [stderr] 99 | let ticket2 = &store[&id2]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ticket2` [INFO] [stderr] --> exercises/06_ticket_management/12_two_states/src/lib.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | let ticket2 = store.get(id2).unwrap(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `btreemap` (lib test) generated 1 warning [INFO] [stderr] warning: `index` (lib test) generated 1 warning [INFO] [stderr] warning: `combinators` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `bounded` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `two_states` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] warning: `locks` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: variants `InProgress` and `Done` are never constructed [INFO] [stderr] --> exercises/05_ticket_v2/12_thiserror/src/lib.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 28 | enum Status { [INFO] [stderr] | ------ variants in this enum [INFO] [stderr] 29 | ToDo, [INFO] [stderr] 30 | InProgress { assigned_to: String }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 31 | Done, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `lifetime` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `iter` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `patch` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `impl_trait` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `rwlock` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `thiserror_` (lib test) generated 1 warning [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | DescriptionError(String), [INFO] [stderr] | ---------------- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `TicketNewError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 7 - DescriptionError(String), [INFO] [stderr] 7 + DescriptionError(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variants `InProgress` and `Done` are never constructed [INFO] [stderr] --> exercises/05_ticket_v2/08_error_enums/src/lib.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 34 | enum Status { [INFO] [stderr] | ------ variants in this enum [INFO] [stderr] 35 | ToDo, [INFO] [stderr] 36 | InProgress { assigned_to: String }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 37 | Done, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `title`, `description`, and `status` are never read [INFO] [stderr] --> exercises/03_ticket_v1/02_validation/src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 3 | struct Ticket { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 4 | title: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 5 | description: String, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 6 | status: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variants `InProgress` and `Done` are never constructed [INFO] [stderr] --> exercises/05_ticket_v2/06_fallibility/src/lib.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 12 | enum Status { [INFO] [stderr] | ------ variants in this enum [INFO] [stderr] 13 | ToDo, [INFO] [stderr] 14 | InProgress { assigned_to: String }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 15 | Done, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Status` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variants `InProgress` and `Done` are never constructed [INFO] [stderr] --> exercises/05_ticket_v2/07_unwrap/src/lib.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 25 | enum Status { [INFO] [stderr] | ------ variants in this enum [INFO] [stderr] 26 | ToDo, [INFO] [stderr] 27 | InProgress { assigned_to: String }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 28 | Done, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Status` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `title`, `description`, and `status` are never used [INFO] [stderr] --> exercises/05_ticket_v2/01_enum/src/lib.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 20 | impl Ticket { [INFO] [stderr] | ----------- associated items in this implementation [INFO] [stderr] 21 | pub fn new(title: String, description: String, status: Status) -> Ticket { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | pub fn title(&self) -> &String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 46 | pub fn description(&self) -> &String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 50 | pub fn status(&self) -> &Status { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `future` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `async_fn` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `deps` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `error_enums` (lib test) generated 2 warnings [INFO] [stderr] warning: `validation` (lib test) generated 1 warning [INFO] [stderr] warning: `fallibility` (lib test) generated 1 warning [INFO] [stderr] warning: `unwrap` (lib test) generated 1 warning [INFO] [stderr] warning: `enum_` (lib test) generated 1 warning [INFO] [stderr] warning: unused variable: `ticket` [INFO] [stderr] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | let ticket = Ticket { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ticket` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `should_not_be_possible` is never used [INFO] [stderr] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 46 | fn should_not_be_possible() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `encapsulation_cannot_be_violated` is never used [INFO] [stderr] --> exercises/03_ticket_v1/04_visibility/src/lib.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | fn encapsulation_cannot_be_violated() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `price` is never read [INFO] [stderr] --> exercises/03_ticket_v1/01_struct/src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 7 | struct Order { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] 8 | price: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `visibility` (lib test) generated 5 warnings (2 duplicates) [INFO] [stderr] warning: `struct_` (lib test) generated 1 warning [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> exercises/07_threads/06_interior_mutability/src/lib.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let a = DropTracker::new(5, Rc::clone(&counter)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> exercises/07_threads/06_interior_mutability/src/lib.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let b = DropTracker::new(6, Rc::clone(&counter)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: field `border` is never read [INFO] [stderr] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:3:14 [INFO] [stderr] | [INFO] [stderr] 3 | Square { border: f64 }, [INFO] [stderr] | ------ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `width` and `height` are never read [INFO] [stderr] --> exercises/05_ticket_v2/04_if_let/src/lib.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | Rectangle { width: f64, height: f64 }, [INFO] [stderr] | --------- ^^^^^ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] [INFO] [stderr] warning: `deref` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `interior_mutability` (lib test) generated 3 warnings (1 duplicate) [INFO] [stderr] warning: `if_let` (lib test) generated 2 warnings [INFO] [stderr] warning: unused variable: `bomb` [INFO] [stderr] --> exercises/04_traits/13_drop/src/lib.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let bomb = DropBomb::new(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_bomb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `from` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: `heap` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `modules` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] warning: `drop` (lib test) generated 1 warning [INFO] [stderr] warning: `references_in_memory` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arrays-2c0e3b2ec8600deb) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_get_temperature ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/as_cast-8c575078073dda38) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::bool_to_u8 ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/assoc_vs_generic-72d775cc0a2fdc7f) [INFO] [stdout] test tests::u16_to_u32 ... ok [INFO] [stdout] test tests::u8_to_i8 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_power_u16 ... ok [INFO] [stdout] test tests::test_power_u32 ... ok [INFO] [stdout] test tests::test_power_ref_u32 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_fn-78ce18920cacc647) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_echo ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_locks-962ac1853c03e1e8) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::ping ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blocking-66d90c7c0c09f992) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_echo ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bounded-b15ea92f9666c912) [INFO] [stdout] [INFO] [stderr] Running tests/insert.rs (/opt/rustwide/target/debug/deps/insert-68fc0f73258ae535) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test works ... ok [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/btreemap-10b8398d141c8894) [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cancellation-7857ca3fbff14ad6) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/channels-634d6f4e631006ad) [INFO] [stderr] Running tests/insert.rs (/opt/rustwide/target/debug/deps/insert-aae69425a3850937) [INFO] [stdout] test tests::ping ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test ready ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/client-cd75a88b02958adf) [INFO] [stdout] test a_thread_is_spawned ... ok [INFO] [stderr] Running tests/insert.rs (/opt/rustwide/target/debug/deps/insert-03f6347c6aaef1a0) [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test insert_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/clone-b2754dd8308e8bc9) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/combinators-b0c2b0c8718fc4e1) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/common-861f43e85bea6f4e) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::todos ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/copy-ae1b4bc1c570de51) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_ops ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deps-12095b67736fa80d) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deref-53f3797e330e1b3a) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_normalization ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/derives-09c607592865fb94) [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_description_not_matching ... ok [INFO] [stdout] test tests::test_status_not_matching ... ok [INFO] [stdout] test tests::test_title_not_matching ... ok [INFO] [stdout] test tests::test_partial_eq ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/destructor-ad9449df2e05931b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_outro ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/drop-32769c1e18f6de60) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_defused_drop_bomb ... ok [INFO] [stdout] test tests::test_drop_bomb - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/encapsulation-8cefe3116dc55b2a) [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enum_-37d2ac60681eaa37) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::status ... ok [INFO] [stdout] test tests::description ... ok [INFO] [stdout] test tests::title ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_status_not_matching ... ok [INFO] [stdout] test tests::test_description_not_matching ... ok [INFO] [stdout] test tests::test_partial_eq ... ok [INFO] [stdout] test tests::test_title_not_matching ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_enums-79ed190082677c01) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::template_description_is_used_if_too_long ... ok [INFO] [stdout] test tests::template_description_is_used_if_empty ... ok [INFO] [stdout] test tests::title_cannot_be_empty - should panic ... ok [INFO] [stdout] test tests::title_cannot_be_longer_than_fifty_chars - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_trait-005bf4662a6ab62d) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::template_description_is_used_if_empty ... ok [INFO] [stdout] test tests::template_description_is_used_if_too_long ... ok [INFO] [stdout] test tests::display_is_correctly_implemented ... ok [INFO] [stdout] test tests::title_cannot_be_longer_than_fifty_chars - should panic ... ok [INFO] [stdout] test tests::title_cannot_be_empty - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/factorial-c8f09a630ce059c5) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::second ... ok [INFO] [stdout] test tests::third ... ok [INFO] [stdout] test tests::fifth ... ok [INFO] [stdout] test tests::first ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fallibility-3018b7d4055582c9) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::description_cannot_be_empty ... ok [INFO] [stdout] test tests::title_cannot_be_longer_than_fifty_chars ... ok [INFO] [stdout] test tests::description_cannot_be_longer_than_500_chars ... ok [INFO] [stdout] test tests::title_cannot_be_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/for_-29e599dac6ab5521) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::fifth ... ok [INFO] [stdout] test tests::first ... ok [INFO] [stdout] test tests::second ... ok [INFO] [stdout] test tests::third ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/from-475878f4f9a4a281) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/future-461d66f15ad9f0c1) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hashmap-1aa498e2e2048ed3) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/heap-4a95c278527da93d) [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/if_else-ef5c953eec43f890) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::string_size ... ok [INFO] [stdout] test tests::ticket_size ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::high ... ok [INFO] [stdout] test tests::one ... ok [INFO] [stdout] test tests::two ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/if_let-4e0e17a0edd3de27) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_circle ... ok [INFO] [stdout] test tests::test_square - should panic ... ok [INFO] [stdout] test tests::test_rectangle - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/impl_trait-e8076314720017a1) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/impl_trait_2-b48e5a6ca8654383) [INFO] [stdout] test tests::in_progress ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::generic_add ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/index-32f466085498b57f) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/index_mut-97447e577462715a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/integers-5f0808dcc6bcc3eb) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::case ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/interior_mutability-8f80eb3113ed8a7a) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_01-0b915618be6b66e9) [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::multiple ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_intro ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_02-216f20a46a52c0e0) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_03-c3c53e9244c5fa8e) [INFO] [stdout] test tests::test_intro ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_04-49a3299f7849b69e) [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_05-3c74eb84e67f4638) [INFO] [stdout] test tests::test_intro ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_intro ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_intro ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_07-392d1b3e100c8ece) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/intro_08-5da3cf086f22bdb7) [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_intro ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_intro ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter-87a8b1f7e85c392e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iterators-ac78ced45b4d1bcd) [INFO] [stdout] test tests::add_ticket ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leaking-d00ffa8a51762461) [INFO] [stdout] test tests::add_ticket ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::empty ... ok [INFO] [stdout] test tests::one ... ok [INFO] [stdout] test tests::nine ... ok [INFO] [stdout] test tests::five ... ok [INFO] [stdout] test tests::ten ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lifetime-2925c23633bb9007) [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/locks-5f50e34583c81c0f) [INFO] [stdout] test tests::add_ticket ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/check.rs (/opt/rustwide/target/debug/deps/check-3dac54dca640e32e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/match_-e059e63ca9ad1c4c) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::test_circle ... ok [INFO] [stdout] test tests::test_pentagon ... ok [INFO] [stdout] test tests::test_square ... ok [INFO] [stdout] test tests::test_triangle ... ok [INFO] [stdout] test tests::test_rectangle ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdbook_exercise_linker-a0202785bb60633f) [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mdbook_exercise_linker-93626575add1f82a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdbook_link_shortener-5c39a3d3fc14a8fb) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mdbook_link_shortener-26f0ca343a6665c3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modules-3a6176725efdef98) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mut_slice-ec6a09ea777401d7) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::empty ... ok [INFO] [stdout] test tests::multiple ... ok [INFO] [stdout] test tests::one ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nullability-7eaa7be16e452959) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/orphan-da838a2b5a3202a5) [INFO] [stdout] test tests::test_done ... ok [INFO] [stdout] test tests::test_todo ... ok [INFO] [stdout] test tests::test_in_progress ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro_02-511778863b3e3e78) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-1a7cfeb624a890a3) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_order ... ok [INFO] [stdout] test test_zero_unit_price - should panic ... ok [INFO] [stdout] test test_zero_quantity - should panic ... ok [INFO] [stdout] test test_empty_product_name - should panic ... ok [INFO] [stdout] test test_long_product_name - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro_03-f85d00a2695c9b90) [INFO] [stdout] [INFO] [stderr] Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-f14107b29faff14d) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_saturating_u16 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro_04-79bd126243ac799f) [INFO] [stdout] running 11 tests [INFO] [stdout] test description::tests::test_try_from_empty_string ... ok [INFO] [stdout] test status::tests::test_try_from_invalid ... ok [INFO] [stdout] test description::tests::test_try_from_long_string ... ok [INFO] [stdout] test status::tests::test_try_from_str ... ok [INFO] [stdout] test status::tests::test_try_from_string ... ok [INFO] [stdout] test title::tests::test_try_from_empty_string ... ok [INFO] [stdout] test title::tests::test_try_from_long_string ... ok [INFO] [stdout] test title::tests::test_try_from_str ... ok [INFO] [stdout] test title::tests::test_try_from_string ... ok [INFO] [stdout] test description::tests::test_try_from_str ... ok [INFO] [stdout] test description::tests::test_try_from_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/outro_08-da76dc2a42949a4a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/overflow-f3fc99dc2eb5feb9) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::second ... ok [INFO] [stderr] error: test failed, to rerun pass `-p overflow --lib` [INFO] [stdout] test tests::first ... ok [INFO] [stdout] test tests::third ... ok [INFO] [stdout] test tests::fifth ... ok [INFO] [stdout] test tests::twentieth ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::twentieth stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::twentieth' (231) panicked at exercises/02_basic_calculator/08_overflow/src/lib.rs:25:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: 2432902008176640000 [INFO] [stdout] right: 2192834560 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5f46d7cdefb2 - std::backtrace_rs::backtrace::libunwind::trace::h52580dd202462214 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5f46d7cdefb2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc969519abce0f52b [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5f46d7cdefb2 - std::sys::backtrace::_print_fmt::hfd5825900b6e0030 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5f46d7cdefb2 - ::fmt::h427144ad75cfb218 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5f46d7cef19f - core::fmt::rt::Argument::fmt::hd5ccc9cf97cea7f7 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5f46d7cef19f - core::fmt::write::h593aaf5adf0f5dae [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5f46d7cac591 - std::io::default_write_fmt::h305b5a0727055346 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5f46d7cac591 - std::io::Write::write_fmt::h76f14a8a88733dc5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5f46d7cb84f2 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5f46d7cbd03f - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5f46d7cbced1 - std::panicking::default_hook::h99456317c5a1a20c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5f46d7c7cc7e - as core::ops::function::Fn>::call::h441e4551014e4cf8 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5f46d7c7cc7e - test::test_main_with_exit_callback::{{closure}}::hdbca54e17f1a00e4 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5f46d7cbd6ff - as core::ops::function::Fn>::call::h1e57b72c4e1d3045 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5f46d7cbd6ff - std::panicking::panic_with_hook::h67ab0df20212e4ea [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5f46d7cbd55a - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5f46d7cb8629 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5f46d7ca083d - __rustc[8cce077e14951490]::rust_begin_unwind [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5f46d7cf69a0 - core::panicking::panic_fmt::h49931053d20abf41 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5f46d7cf6843 - core::panicking::assert_failed_inner::h3eabd3c15a9e5a8c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:439:17 [INFO] [stdout] 20: 0x5f46d7cf6687 - core::panicking::assert_failed::h8d9f9301d85aa17a [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panicking.rs:394:5 [INFO] [stdout] 21: 0x5f46d7c5bce5 - overflow::tests::twentieth::hde1d0904d836eb76 [INFO] [stdout] at /opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow/src/lib.rs:25:9 [INFO] [stdout] 22: 0x5f46d7c5bd07 - overflow::tests::twentieth::{{closure}}::hbc75099c0ed02f51 [INFO] [stdout] at /opt/rustwide/workdir/exercises/02_basic_calculator/08_overflow/src/lib.rs:21:19 [INFO] [stdout] 23: 0x5f46d7c5ac36 - core::ops::function::FnOnce::call_once::h8a6b9ea6368f6d7b [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5f46d7c7ca3b - core::ops::function::FnOnce::call_once::h5d9016d521f5aee4 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 25: 0x5f46d7c7ca3b - test::__rust_begin_short_backtrace::h123fcee610330442 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5f46d7c92525 - test::run_test_in_process::{{closure}}::h0442efda2e6359b2 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5f46d7c92525 - as core::ops::function::FnOnce<()>>::call_once::hfe3528c8dd09682c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x5f46d7c92525 - std::panicking::catch_unwind::do_call::hb1659f7844fe8531 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5f46d7c92525 - std::panicking::catch_unwind::hdc1f4be0019e72ad [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5f46d7c92525 - std::panic::catch_unwind::hd6d7ccfa4513e770 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5f46d7c92525 - test::run_test_in_process::h6bbb839ed0802366 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5f46d7c92525 - test::run_test::{{closure}}::he4fad7398c8acc11 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5f46d7c68e94 - test::run_test::{{closure}}::h41975797e198d26c [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5f46d7c68e94 - std::sys::backtrace::__rust_begin_short_backtrace::hfb46c397857336f1 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5f46d7c6c83a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hddf826a64f532bea [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5f46d7c6c83a - as core::ops::function::FnOnce<()>>::call_once::hc3518c3eab91aeb3 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x5f46d7c6c83a - std::panicking::catch_unwind::do_call::h7bf3ad6dc012415a [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5f46d7c6c83a - std::panicking::catch_unwind::h8b88f0375c767e36 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5f46d7c6c83a - std::panic::catch_unwind::h66cb5d61a90f7bc5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5f46d7c6c83a - std::thread::Builder::spawn_unchecked_::{{closure}}::h65bc9d15fb966bbd [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5f46d7c6c83a - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8d2c9a8796342e5 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 42: 0x5f46d7cb275f - as core::ops::function::FnOnce>::call_once::hef12b47e5c033835 [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 43: 0x5f46d7cb275f - std::sys::pal::unix::thread::Thread::new::thread_start::h135087e7c97657bc [INFO] [stdout] at /rustc/ad85bc524b1ad696e42061ad8338d382dffbdbe5/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 44: 0x7cac2067caa4 - [INFO] [stdout] 45: 0x7cac20709a34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::twentieth [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e225c3f5b2588015bc5ec2ffe32d52d723d45202ea30038e876f4df3d5790f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e225c3f5b2588015bc5ec2ffe32d52d723d45202ea30038e876f4df3d5790f8b", kill_on_drop: false }` [INFO] [stdout] e225c3f5b2588015bc5ec2ffe32d52d723d45202ea30038e876f4df3d5790f8b