[INFO] cloning repository https://github.com/BrianLusina/rustic-cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrianLusina/rustic-cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3585efd68d0451e79673804adb96aeb4d79ac887
[INFO] testing BrianLusina/rustic-cargo against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrianLusina/rustic-cargo
[INFO] finished tweaking git repo https://github.com/BrianLusina/rustic-cargo
[INFO] tweaked toml for git repo https://github.com/BrianLusina/rustic-cargo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrianLusina/rustic-cargo on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrianLusina/rustic-cargo 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc1/source/basics/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8771006b00104e8fe50c879129a5565962ff4fa41769b6a9ee10feb7c7c85e57
[INFO] running `Command { std: "docker" "start" "-a" "8771006b00104e8fe50c879129a5565962ff4fa41769b6a9ee10feb7c7c85e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8771006b00104e8fe50c879129a5565962ff4fa41769b6a9ee10feb7c7c85e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8771006b00104e8fe50c879129a5565962ff4fa41769b6a9ee10feb7c7c85e57", kill_on_drop: false }`
[INFO] [stdout] 8771006b00104e8fe50c879129a5565962ff4fa41769b6a9ee10feb7c7c85e57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 073f22f04e0841b014ed901b9e7905dcffc3e5d029dff674e6bd51d39a5dcafc
[INFO] running `Command { std: "docker" "start" "-a" "073f22f04e0841b014ed901b9e7905dcffc3e5d029dff674e6bd51d39a5dcafc", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/basics/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling datastructures v0.1.0 (/opt/rustwide/workdir/datastructures)
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir/math)
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir/puzzles)
[INFO] [stdout] warning: unused import: `crate::trees::node::Node`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::trees::node::Node;
[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: `crate::trees::tree::Tree`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::trees::tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> math/src/factorial.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for num in start..=x {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average` is never used
[INFO] [stdout]  --> math/src/average.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn average(scores: &Vec<usize>) -> usize {
[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 `factorial` is never used
[INFO] [stdout]  --> math/src/factorial.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(number: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_iter` is never used
[INFO] [stdout]  --> math/src/factorial.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn factorial_iter(target: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_iter_with_for_loop` is never used
[INFO] [stdout]   --> math/src/factorial.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn factorial_iter_with_for_loop(x: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]  --> math/src/fibonacci.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibs` is never used
[INFO] [stdout]  --> math/src/fibonacci.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fibs(count: usize) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_sum` is never used
[INFO] [stdout]  --> math/src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn range_sum(low: i32, high: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CustomIterator` is never used
[INFO] [stdout]  --> datastructures/src/iterator/iterator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait CustomIterator {
[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 `OneToTen` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct OneToTen {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl OneToTen {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecIter` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/vec_iter.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct VecIter {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> datastructures/src/trees/node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Tree` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Tree<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir/algorithms)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/programs/restaurant)
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stdout] warning: struct `Duration` is never constructed
[INFO] [stdout]  --> puzzles/src/space_age/space_age.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Duration {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EARTH_ORBITAL` is never used
[INFO] [stdout]  --> puzzles/src/space_age/space_age.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const EARTH_ORBITAL: f64 = 31_557_600.0;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Planet` is never used
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Planet {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mercury` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Mercury;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Venus` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Venus;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Earth` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Earth;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mars` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Mars;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Jupiter` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Jupiter;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Saturn` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Saturn;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Uranus` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Uranus;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Neptune` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Neptune;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let order1 = back_of_house::appetizer::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let order2 = back_of_house::appetizer::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn deliver_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: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> programs/restaurant/src/back_of_house/breakfast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling timeutils v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stdout] warning: struct `Clock` is never constructed
[INFO] [stdout]  --> time/src/clock/clock.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Clock {
[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`, `build`, and `add_minutes` are never used
[INFO] [stdout]   --> time/src/clock/clock.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(hours: i32, minutes: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn build(minutes: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_minutes(&self, minutes: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gigasecond_after` is never used
[INFO] [stdout]  --> time/src/gigasecond/gigasecond.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn gigasecond_after(start: DateTime) -> DateTime {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/strings)
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir/programs/guess_game)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling basics v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let file = match file_result {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_error`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             other_error => panic!("Opening file failed: {:?}", error),
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let file_result = File::open(file_name).unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let file_result = File::open(file_name).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result_2`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file_result_2 = File::open(file_name).expect("{file_name} should be included");
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let r1 = &mut s1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let len = calculate_length(&s);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:63
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Hero` is never used
[INFO] [stdout]  --> basics/src/enums/hero.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Hero {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `power_level`, `name`, and `print_power` are never used
[INFO] [stdout]   --> basics/src/enums/hero.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Hero {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout]  8 |     fn power_level(&self) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn name(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn print_power(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddrKind` is never used
[INFO] [stdout]  --> basics/src/enums/ip_address.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum IpAddrKind {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsTeacher` is never used
[INFO] [stdout]  --> basics/src/enums/job.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IsTeacher {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Job` is never used
[INFO] [stdout]  --> basics/src/enums/job.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Job {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Subject` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum Subject {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Field` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Field {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CongressPerson` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum CongressPerson {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum State {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `District` is never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct District {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Seniority` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Seniority {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> basics/src/enums/message.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]  --> basics/src/enums/message.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Message {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 9 |     fn call(&self) {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Monster` is never used
[INFO] [stdout]  --> basics/src/enums/monsters.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Monster {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lives` and `eats` are never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Monster {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout]  9 |     fn lives(&self) -> Option<Place> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn eats(&self) -> Option<Food> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Place` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Place {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Food` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Food {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> basics/src/enums/person.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `say_info`, `same_job`, and `greeting` are never used
[INFO] [stdout]   --> basics/src/enums/person.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 14 |     fn new(name: String, age: i32, job: Job) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn same_job(&self, other: &Person) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn greeting(&self, other: &Person) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> basics/src/errors/propagating_errors.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_username_from_file(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/propagating_errors.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn read_username_from_file_v2(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `opening_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn opening_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn open_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn open_file_v2(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_mangoes` is never used
[INFO] [stdout]   --> basics/src/functions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn say_mangoes() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/generics/point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<X, Y> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `x`, `y`, `new`, and `mixup` are never used
[INFO] [stdout]   --> basics/src/generics/point.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl<X, Y> Point<X, Y> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout]  7 |     fn x(&self) -> &X {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn y(&self) -> &Y {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn new(x: X, y: Y) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn mixup(self, other: Point<X, Y>) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> basics/src/generics/point.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Point<f32, f32> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed
[INFO] [stdout]  --> basics/src/lifetimes/excerpt.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used
[INFO] [stdout]   --> basics/src/lifetimes/excerpt.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn level(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_with_an_announcement` is never used
[INFO] [stdout]  --> basics/src/lifetimes/longest.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_words` is never used
[INFO] [stdout]  --> basics/src/maps/map_basics.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn count_words() -> () {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> basics/src/maps/struct_as_key.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Student<'a>{
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScoreInfo` is never constructed
[INFO] [stdout]   --> basics/src/maps/struct_as_key.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct ScoreInfo<'a>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Grades` is never used
[INFO] [stdout]   --> basics/src/maps/struct_as_key.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Grades<'a> = HashMap<Student<'a>, ScoreInfo<'a>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> basics/src/maps/struct_as_key.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn change(some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn ownership() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn take_ownership(some_string: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_copy` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn make_copy(i: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_length(s: &String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fruit` is never constructed
[INFO] [stdout]  --> basics/src/structs/fruit.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Fruit<T> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/fruit.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T> Fruit<T> {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new(calories: i32, data: T) -> Fruit<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> basics/src/structs/person.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `say_info` are never used
[INFO] [stdout]   --> basics/src/structs/person.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(name: String, age: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> basics/src/structs/rectangle.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `square`, `area`, `can_hold`, `set_width`, and `set_height` are never used
[INFO] [stdout]   --> basics/src/structs/rectangle.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout]  8 |     fn new(width: u32, height: u32) -> Rectangle {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn square(size: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn set_width(mut self, width: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn set_height(mut self, height: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RunningTotal` is never constructed
[INFO] [stdout]  --> basics/src/structs/running_totals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct RunningTotal {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `print_average`, and `add_value` are never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl RunningTotal {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(total: i32, count: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn print_average(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn add_value(&mut self, value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kmh` is never constructed
[INFO] [stdout]  --> basics/src/structs/speed.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Kmh {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/speed.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Kmh {
[INFO] [stdout]   | -------- associated function in this implementation
[INFO] [stdout] 7 |     fn new(value: u32) -> Kmh {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mph` is never constructed
[INFO] [stdout]   --> basics/src/structs/speed.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Mph {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> basics/src/structs/speed.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mph {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(value: u32) -> Mph {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Km` is never constructed
[INFO] [stdout]   --> basics/src/structs/speed.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Km {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Miles` is never constructed
[INFO] [stdout]   --> basics/src/structs/speed.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Miles {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InXTime` is never used
[INFO] [stdout]   --> basics/src/structs/speed.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait InXTime {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/structs/point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_x`, and `set_y` are never used
[INFO] [stdout]   --> basics/src/structs/point.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Point {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(x: i32, y: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn set_x(mut self, x: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn set_y(mut self, x: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/structs/tuple/tuple_structs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point(i32, i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> basics/src/structs/tuple/tuple_structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Color(i32, i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/structs/tuple/tuple_structs.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quadruple` is never used
[INFO] [stdout]  --> basics/src/traits/bounds.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn quadruple<T: Operations>(x: T) -> T {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]  --> basics/src/traits/pair.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Pair<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/traits/pair.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Pair<T> {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> basics/src/traits/pair.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 18 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Operations` is never used
[INFO] [stdout]  --> basics/src/traits/primitives.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Operations {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Summary` is never used
[INFO] [stdout]  --> basics/src/traits/summary.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Summary {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewsArticle` is never constructed
[INFO] [stdout]  --> basics/src/traits/summary.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct NewsArticle {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tweet` is never constructed
[INFO] [stdout]   --> basics/src/traits/summary.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Tweet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn notify(item: &impl Summary) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn print<T: Summary>(item: &T) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn notify2(item: &(impl Summary + Display)) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify3` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn notify3<T: Summary + Display>(item: &T) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_summarizable` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/sets/sets.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.77s
[INFO] running `Command { std: "docker" "inspect" "073f22f04e0841b014ed901b9e7905dcffc3e5d029dff674e6bd51d39a5dcafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073f22f04e0841b014ed901b9e7905dcffc3e5d029dff674e6bd51d39a5dcafc", kill_on_drop: false }`
[INFO] [stdout] 073f22f04e0841b014ed901b9e7905dcffc3e5d029dff674e6bd51d39a5dcafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 971368e2d647c0c1ae5c39150675f53cd9b039bb8d48384557aa1bcdf73e2f03
[INFO] running `Command { std: "docker" "start" "-a" "971368e2d647c0c1ae5c39150675f53cd9b039bb8d48384557aa1bcdf73e2f03", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/basics/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unused import: `crate::trees::node::Node`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::trees::node::Node;
[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: `crate::trees::tree::Tree`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::trees::tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CustomIterator` is never used
[INFO] [stdout]  --> datastructures/src/iterator/iterator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait CustomIterator {
[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 `OneToTen` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct OneToTen {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl OneToTen {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecIter` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/vec_iter.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct VecIter {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> datastructures/src/trees/node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Tree` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Tree<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Duration` is never constructed
[INFO] [stdout]  --> puzzles/src/space_age/space_age.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Duration {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EARTH_ORBITAL` is never used
[INFO] [stdout]  --> puzzles/src/space_age/space_age.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const EARTH_ORBITAL: f64 = 31_557_600.0;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Planet` is never used
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Planet {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mercury` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Mercury;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Venus` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Venus;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Earth` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Earth;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mars` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Mars;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Jupiter` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Jupiter;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Saturn` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Saturn;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Uranus` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Uranus;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Neptune` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Neptune;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> math/src/factorial.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for num in start..=x {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average` is never used
[INFO] [stdout]  --> math/src/average.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn average(scores: &Vec<usize>) -> usize {
[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 `factorial` is never used
[INFO] [stdout]  --> math/src/factorial.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(number: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_iter` is never used
[INFO] [stdout]  --> math/src/factorial.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn factorial_iter(target: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_iter_with_for_loop` is never used
[INFO] [stdout]   --> math/src/factorial.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn factorial_iter_with_for_loop(x: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]  --> math/src/fibonacci.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibs` is never used
[INFO] [stdout]  --> math/src/fibonacci.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fibs(count: usize) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_sum` is never used
[INFO] [stdout]  --> math/src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn range_sum(low: i32, high: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Clock` is never constructed
[INFO] [stdout]  --> time/src/clock/clock.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Clock {
[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`, `build`, and `add_minutes` are never used
[INFO] [stdout]   --> time/src/clock/clock.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new(hours: i32, minutes: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn build(minutes: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_minutes(&self, minutes: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gigasecond_after` is never used
[INFO] [stdout]  --> time/src/gigasecond/gigasecond.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn gigasecond_after(start: DateTime) -> DateTime {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let order1 = back_of_house::appetizer::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let order2 = back_of_house::appetizer::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn deliver_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: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> programs/restaurant/src/back_of_house/breakfast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir/math)
[INFO] [stderr]    Compiling timeutils v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stderr]    Compiling puzzles v0.1.0 (/opt/rustwide/workdir/puzzles)
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir/algorithms)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/strings)
[INFO] [stderr]    Compiling basics v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] warning: unused import: `crate::traits::summary::NewsArticle`
[INFO] [stdout]   --> basics/src/traits/summary.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use crate::traits::summary::NewsArticle;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> basics/src/enums/ip_address.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let home = IpAddrKind::V4(127, 0, 0, 1);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopback`
[INFO] [stdout]   --> basics/src/enums/ip_address.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let loopback = IpAddrKind::V6(String::from("::1"));
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abCDefGh_should_return_true` should have a snake case name
[INFO] [stdout]   --> strings/tests/is_unique.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn abCDefGh_should_return_true() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ab_cdef_gh_should_return_true`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abCedFghI_should_return_true` should have a snake case name
[INFO] [stdout]   --> strings/tests/is_unique.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn abCedFghI_should_return_true() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ab_ced_fgh_i_should_return_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `I_Am_Not_Unique_should_return_false` should have a snake case name
[INFO] [stdout]   --> strings/tests/is_unique.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn I_Am_Not_Unique_should_return_false() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `i_am_not_unique_should_return_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let file = match file_result {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_error`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             other_error => panic!("Opening file failed: {:?}", error),
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let file_result = File::open(file_name).unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let file_result = File::open(file_name).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result_2`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file_result_2 = File::open(file_name).expect("{file_name} should be included");
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir/programs/guess_game)
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let r1 = &mut s1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let len = calculate_length(&s);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:63
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Hero` is never used
[INFO] [stdout]  --> basics/src/enums/hero.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Hero {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `power_level`, `name`, and `print_power` are never used
[INFO] [stdout]   --> basics/src/enums/hero.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Hero {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout]  8 |     fn power_level(&self) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn name(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn print_power(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> basics/src/enums/ip_address.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     V4(u8, u8, u8, u8),
[INFO] [stdout]   |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 -     V4(u8, u8, u8, u8),
[INFO] [stdout] 2 +     V4((), (), (), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> basics/src/enums/ip_address.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 -     V6(String),
[INFO] [stdout] 3 +     V6(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsTeacher` is never used
[INFO] [stdout]  --> basics/src/enums/job.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IsTeacher {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientist` and `Teacher` are never constructed
[INFO] [stdout]  --> basics/src/enums/job.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Job {
[INFO] [stdout]   |          --- variants in this enum
[INFO] [stdout] 7 |     Scientist(Field),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     Teacher(Subject),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Job` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Art` and `Math` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum Subject {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 26 |     Art,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Math,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Subject` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Physics` and `Biology` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Field {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 32 |     Physics,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     Biology,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CongressPerson` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum CongressPerson {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum State {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `District` is never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct District {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Seniority` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Seniority {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> basics/src/enums/message.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Write(String),
[INFO] [stdout]   |     ----- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 -     Write(String),
[INFO] [stdout] 4 +     Write(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]  --> basics/src/enums/message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Message {
[INFO] [stdout]   |      ------- variants in this enum
[INFO] [stdout] 2 |     Quit,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     Move { x: i32, y: i32 },
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Write(String),
[INFO] [stdout] 5 |     ChangeColor(i32, i32, i32),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Monster` is never used
[INFO] [stdout]  --> basics/src/enums/monsters.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Monster {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lives` and `eats` are never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Monster {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout]  9 |     fn lives(&self) -> Option<Place> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn eats(&self) -> Option<Food> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Place` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Place {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Food` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Food {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `say_info` and `greeting` are never used
[INFO] [stdout]   --> basics/src/enums/person.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Person {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn greeting(&self, other: &Person) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> basics/src/errors/propagating_errors.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_username_from_file(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/propagating_errors.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn read_username_from_file_v2(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `opening_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn opening_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn open_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn open_file_v2(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_mangoes` is never used
[INFO] [stdout]   --> basics/src/functions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn say_mangoes() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/generics/point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<X, Y> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `x`, `y`, `new`, and `mixup` are never used
[INFO] [stdout]   --> basics/src/generics/point.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl<X, Y> Point<X, Y> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout]  7 |     fn x(&self) -> &X {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn y(&self) -> &Y {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn new(x: X, y: Y) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn mixup(self, other: Point<X, Y>) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> basics/src/generics/point.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Point<f32, f32> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used
[INFO] [stdout]   --> basics/src/lifetimes/excerpt.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn level(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> basics/src/maps/struct_as_key.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Student<'a>{
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScoreInfo` is never constructed
[INFO] [stdout]   --> basics/src/maps/struct_as_key.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct ScoreInfo<'a>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Grades` is never used
[INFO] [stdout]   --> basics/src/maps/struct_as_key.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Grades<'a> = HashMap<Student<'a>, ScoreInfo<'a>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> basics/src/maps/struct_as_key.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn change(some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn ownership() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn take_ownership(some_string: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_copy` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn make_copy(i: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_length(s: &String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fruit` is never constructed
[INFO] [stdout]  --> basics/src/structs/fruit.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Fruit<T> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/fruit.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T> Fruit<T> {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new(calories: i32, data: T) -> Fruit<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> basics/src/structs/person.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `say_info` are never used
[INFO] [stdout]   --> basics/src/structs/person.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(name: String, age: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `square`, `set_width`, and `set_height` are never used
[INFO] [stdout]   --> basics/src/structs/rectangle.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn square(size: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn set_width(mut self, width: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn set_height(mut self, height: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RunningTotal` is never constructed
[INFO] [stdout]  --> basics/src/structs/running_totals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct RunningTotal {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `print_average`, and `add_value` are never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl RunningTotal {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(total: i32, count: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn print_average(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn add_value(&mut self, value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/speed.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Kmh {
[INFO] [stdout]   | -------- associated function in this implementation
[INFO] [stdout] 7 |     fn new(value: u32) -> Kmh {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> basics/src/structs/speed.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mph {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(value: u32) -> Mph {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/structs/point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_x`, and `set_y` are never used
[INFO] [stdout]   --> basics/src/structs/point.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Point {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(x: i32, y: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn set_x(mut self, x: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn set_y(mut self, x: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/structs/tuple/tuple_structs.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point(i32, i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Color` is never constructed
[INFO] [stdout]  --> basics/src/structs/tuple/tuple_structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Color(i32, i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/structs/tuple/tuple_structs.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quadruple` is never used
[INFO] [stdout]  --> basics/src/traits/bounds.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn quadruple<T: Operations>(x: T) -> T {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]  --> basics/src/traits/pair.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Pair<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/traits/pair.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Pair<T> {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> basics/src/traits/pair.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 18 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewsArticle` is never constructed
[INFO] [stdout]  --> basics/src/traits/summary.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct NewsArticle {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> basics/src/traits/summary.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Tweet {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     reply: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     retweet: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn notify(item: &impl Summary) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn print<T: Summary>(item: &T) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn notify2(item: &(impl Summary + Display)) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify3` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn notify3<T: Summary + Display>(item: &T) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_summarizable` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/sets/sets.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling datastructures v0.1.0 (/opt/rustwide/workdir/datastructures)
[INFO] [stdout] warning: unused import: `crate::trees::node::Node`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::trees::node::Node;
[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: `crate::trees::tree::Tree`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::trees::tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> datastructures/src/iterator/range/range.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut total = 0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CustomIterator` is never used
[INFO] [stdout]  --> datastructures/src/iterator/iterator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait CustomIterator {
[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 `next_val` is never read
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct OneToTen {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 5 |     next_val: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> datastructures/src/trees/node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Tree` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Tree<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/programs/restaurant)
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let order1 = back_of_house::appetizer::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let order2 = back_of_house::appetizer::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn deliver_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: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> programs/restaurant/src/back_of_house/breakfast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> math/src/factorial.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for num in start..=x {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_sum` is never used
[INFO] [stdout]  --> math/src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn range_sum(low: i32, high: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "971368e2d647c0c1ae5c39150675f53cd9b039bb8d48384557aa1bcdf73e2f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971368e2d647c0c1ae5c39150675f53cd9b039bb8d48384557aa1bcdf73e2f03", kill_on_drop: false }`
[INFO] [stdout] 971368e2d647c0c1ae5c39150675f53cd9b039bb8d48384557aa1bcdf73e2f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3124d3e3120256e308cb31f27ec001ee909ae8a9bbd8d2e26b39b71d5aab7bd
[INFO] running `Command { std: "docker" "start" "-a" "d3124d3e3120256e308cb31f27ec001ee909ae8a9bbd8d2e26b39b71d5aab7bd", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/basics/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused import: `crate::trees::node::Node`
[INFO] [stderr]  --> datastructures/src/trees/binary/binary_tree.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::trees::node::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::trees::tree::Tree`
[INFO] [stderr]  --> datastructures/src/trees/binary/binary_tree.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::trees::tree::Tree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `CustomIterator` is never used
[INFO] [stderr]  --> datastructures/src/iterator/iterator.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) trait CustomIterator {
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OneToTen` is never constructed
[INFO] [stderr]  --> datastructures/src/iterator/range/range.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct OneToTen {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> datastructures/src/iterator/range/range.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl OneToTen {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 9 |     fn new() -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `VecIter` is never constructed
[INFO] [stderr]  --> datastructures/src/iterator/vec_iter.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct VecIter {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BinaryTree` is never constructed
[INFO] [stderr]  --> datastructures/src/trees/binary/binary_tree.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct BinaryTree {}
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> datastructures/src/trees/binary/binary_tree.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl BinaryTree {
[INFO] [stderr]   | --------------- associated function in this implementation
[INFO] [stderr] 8 |     fn new() -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Node` is never used
[INFO] [stderr]  --> datastructures/src/trees/node.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Node<T> {
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Tree` is never used
[INFO] [stderr]  --> datastructures/src/trees/tree.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Tree<T> {
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Duration` is never constructed
[INFO] [stderr]  --> puzzles/src/space_age/space_age.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Duration {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EARTH_ORBITAL` is never used
[INFO] [stderr]  --> puzzles/src/space_age/space_age.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const EARTH_ORBITAL: f64 = 31_557_600.0;
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Planet` is never used
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub trait Planet {
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mercury` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Mercury;
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Venus` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Venus;
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Earth` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Earth;
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mars` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Mars;
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Jupiter` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Jupiter;
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Saturn` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Saturn;
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Uranus` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Uranus;
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Neptune` is never constructed
[INFO] [stderr]   --> puzzles/src/space_age/space_age.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct Neptune;
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> math/src/factorial.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     for num in start..=x {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `average` is never used
[INFO] [stderr]  --> math/src/average.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn average(scores: &Vec<usize>) -> usize {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `factorial` is never used
[INFO] [stderr]  --> math/src/factorial.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn factorial(number: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `factorial_iter` is never used
[INFO] [stderr]  --> math/src/factorial.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn factorial_iter(target: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `factorial_iter_with_for_loop` is never used
[INFO] [stderr]   --> math/src/factorial.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn factorial_iter_with_for_loop(x: u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fibonacci` is never used
[INFO] [stderr]  --> math/src/fibonacci.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn fibonacci(n: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fibs` is never used
[INFO] [stderr]  --> math/src/fibonacci.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn fibs(count: usize) -> Vec<u32> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `range_sum` is never used
[INFO] [stderr]  --> math/src/utils.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn range_sum(low: i32, high: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order1`
[INFO] [stderr]   --> programs/restaurant/src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let order1 = back_of_house::appetizer::Appetizer::Soup;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order2`
[INFO] [stderr]   --> programs/restaurant/src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let order2 = back_of_house::appetizer::Appetizer::Salad;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `deliver_order` is never used
[INFO] [stderr]   --> programs/restaurant/src/lib.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn deliver_order() {}
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fix_incorrect_order` is never used
[INFO] [stderr]  --> programs/restaurant/src/back_of_house.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn fix_incorrect_order() {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cook_order` is never used
[INFO] [stderr]  --> programs/restaurant/src/back_of_house.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn cook_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `seasonal_fruit` is never read
[INFO] [stderr]  --> programs/restaurant/src/back_of_house/breakfast.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Breakfast {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 5 |     seasonal_fruit: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `seat_at_table` is never used
[INFO] [stderr]  --> programs/restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn seat_at_table() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_order` is never used
[INFO] [stderr]  --> programs/restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn take_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `serve_order` is never used
[INFO] [stderr]  --> programs/restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn serve_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_payment` is never used
[INFO] [stderr]  --> programs/restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn take_payment() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `datastructures` (lib) generated 10 warnings (run `cargo fix --lib -p datastructures` to apply 2 suggestions)
[INFO] [stderr] warning: `puzzles` (lib) generated 11 warnings
[INFO] [stderr] warning: `math` (lib) generated 8 warnings (run `cargo fix --lib -p math` to apply 1 suggestion)
[INFO] [stderr] warning: `restaurant` (lib) generated 10 warnings (run `cargo fix --lib -p restaurant` to apply 2 suggestions)
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]   --> programs/guess_game/src/main.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stderr]    |                               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]   --> programs/guess_game/src/main.rs:10:44
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stderr]    |                                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `guess_game` (bin "guess_game" test) generated 2 warnings
[INFO] [stderr] warning: unused import: `crate::traits::summary::NewsArticle`
[INFO] [stderr]   --> basics/src/traits/summary.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     use crate::traits::summary::NewsArticle;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `home`
[INFO] [stderr]   --> basics/src/enums/ip_address.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let home = IpAddrKind::V4(127, 0, 0, 1);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loopback`
[INFO] [stderr]   --> basics/src/enums/ip_address.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let loopback = IpAddrKind::V6(String::from("::1"));
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let file = match file_result {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other_error`
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             other_error => panic!("Opening file failed: {:?}", error),
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_result`
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let file_result = File::open(file_name).unwrap_or_else(|error| {
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_result`
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let file_result = File::open(file_name).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_result_2`
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let file_result_2 = File::open(file_name).expect("{file_name} should be included");
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r1`
[INFO] [stderr]  --> basics/src/ownership/ownership.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |         let r1 = &mut s1;
[INFO] [stderr]   |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> basics/src/ownership/ownership.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let len = calculate_length(&s);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> basics/src/traits/summary.rs:57:56
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stderr]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> basics/src/traits/summary.rs:57:63
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stderr]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> basics/src/traits/summary.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> basics/src/traits/summary.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Hero` is never used
[INFO] [stderr]  --> basics/src/enums/hero.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Hero {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `power_level`, `name`, and `print_power` are never used
[INFO] [stderr]   --> basics/src/enums/hero.rs:8:8
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl Hero {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr]  8 |     fn power_level(&self) -> Option<u32> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     fn name(&self) -> &'static str {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn print_power(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]  --> basics/src/enums/ip_address.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 |     V4(u8, u8, u8, u8),
[INFO] [stderr]   |     -- ^^  ^^  ^^  ^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]   |
[INFO] [stderr] 2 -     V4(u8, u8, u8, u8),
[INFO] [stderr] 2 +     V4((), (), (), ()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> basics/src/enums/ip_address.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 |     V6(String),
[INFO] [stderr]   |     -- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[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] 3 -     V6(String),
[INFO] [stderr] 3 +     V6(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IsTeacher` is never used
[INFO] [stderr]  --> basics/src/enums/job.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait IsTeacher {
[INFO] [stderr]   |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Scientist` and `Teacher` are never constructed
[INFO] [stderr]  --> basics/src/enums/job.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum Job {
[INFO] [stderr]   |          --- variants in this enum
[INFO] [stderr] 7 |     Scientist(Field),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 8 |     Teacher(Subject),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Job` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Art` and `Math` are never constructed
[INFO] [stderr]   --> basics/src/enums/job.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub enum Subject {
[INFO] [stderr]    |          ------- variants in this enum
[INFO] [stderr] 26 |     Art,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 27 |     Math,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Subject` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Physics` and `Biology` are never constructed
[INFO] [stderr]   --> basics/src/enums/job.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub enum Field {
[INFO] [stderr]    |          ----- variants in this enum
[INFO] [stderr] 32 |     Physics,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 33 |     Biology,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `CongressPerson` is never used
[INFO] [stderr]   --> basics/src/enums/job.rs:36:6
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum CongressPerson {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `State` is never used
[INFO] [stderr]   --> basics/src/enums/job.rs:41:6
[INFO] [stderr]    |
[INFO] [stderr] 41 | enum State {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `District` is never constructed
[INFO] [stderr]   --> basics/src/enums/job.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct District {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Seniority` is never used
[INFO] [stderr]   --> basics/src/enums/job.rs:52:6
[INFO] [stderr]    |
[INFO] [stderr] 52 | enum Seniority {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> basics/src/enums/message.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Write(String),
[INFO] [stderr]   |     ----- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[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] 4 -     Write(String),
[INFO] [stderr] 4 +     Write(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stderr]  --> basics/src/enums/message.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Message {
[INFO] [stderr]   |      ------- variants in this enum
[INFO] [stderr] 2 |     Quit,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 3 |     Move { x: i32, y: i32 },
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     Write(String),
[INFO] [stderr] 5 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Monster` is never used
[INFO] [stderr]  --> basics/src/enums/monsters.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Monster {
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `lives` and `eats` are never used
[INFO] [stderr]   --> basics/src/enums/monsters.rs:9:8
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Monster {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr]  9 |     fn lives(&self) -> Option<Place> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     fn eats(&self) -> Option<Food> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Place` is never used
[INFO] [stderr]   --> basics/src/enums/monsters.rs:32:6
[INFO] [stderr]    |
[INFO] [stderr] 32 | enum Place {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Food` is never used
[INFO] [stderr]   --> basics/src/enums/monsters.rs:37:6
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum Food {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `say_info` and `greeting` are never used
[INFO] [stderr]   --> basics/src/enums/person.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Person {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn say_info(&self) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn greeting(&self, other: &Person) -> String {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file` is never used
[INFO] [stderr]  --> basics/src/errors/propagating_errors.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn read_username_from_file(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file_v2` is never used
[INFO] [stderr]   --> basics/src/errors/propagating_errors.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn read_username_from_file_v2(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `opening_file` is never used
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn opening_file(file_name: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `open_file` is never used
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn open_file(file_name: &str) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `open_file_v2` is never used
[INFO] [stderr]   --> basics/src/errors/recoverable_errors.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn open_file_v2(file_name: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `say_mangoes` is never used
[INFO] [stderr]   --> basics/src/functions.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn say_mangoes() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]  --> basics/src/generics/point.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Point<X, Y> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `x`, `y`, `new`, and `mixup` are never used
[INFO] [stderr]   --> basics/src/generics/point.rs:7:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | impl<X, Y> Point<X, Y> {
[INFO] [stderr]    | ---------------------- associated items in this implementation
[INFO] [stderr]  7 |     fn x(&self) -> &X {
[INFO] [stderr]    |        ^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     fn y(&self) -> &Y {
[INFO] [stderr]    |        ^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn new(x: X, y: Y) -> Point<X, Y> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     fn mixup(self, other: Point<X, Y>) -> Point<X, Y> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `distance_from_origin` is never used
[INFO] [stderr]   --> basics/src/generics/point.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Point<f32, f32> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 28 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `level` and `announce_and_return_part` are never used
[INFO] [stderr]   --> basics/src/lifetimes/excerpt.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stderr]    | ----------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn level(&self) -> i32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Student` is never constructed
[INFO] [stderr]  --> basics/src/maps/struct_as_key.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Student<'a>{
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ScoreInfo` is never constructed
[INFO] [stderr]   --> basics/src/maps/struct_as_key.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct ScoreInfo<'a>{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Grades` is never used
[INFO] [stderr]   --> basics/src/maps/struct_as_key.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Grades<'a> = HashMap<Student<'a>, ScoreInfo<'a>>;
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> basics/src/maps/struct_as_key.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> basics/src/ownership/ownership.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `change` is never used
[INFO] [stderr]   --> basics/src/ownership/ownership.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn change(some_string: &mut String) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ownership` is never used
[INFO] [stderr]   --> basics/src/ownership/ownership.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn ownership() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_ownership` is never used
[INFO] [stderr]   --> basics/src/ownership/ownership.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn take_ownership(some_string: String) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_copy` is never used
[INFO] [stderr]   --> basics/src/ownership/ownership.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn make_copy(i: i32) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_length` is never used
[INFO] [stderr]   --> basics/src/ownership/ownership.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn calculate_length(s: &String) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Fruit` is never constructed
[INFO] [stderr]  --> basics/src/structs/fruit.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Fruit<T> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> basics/src/structs/fruit.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl<T> Fruit<T> {
[INFO] [stderr]   | ---------------- associated function in this implementation
[INFO] [stderr] 8 |     fn new(calories: i32, data: T) -> Fruit<T> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Person` is never constructed
[INFO] [stderr]  --> basics/src/structs/person.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Person {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `say_info` are never used
[INFO] [stderr]   --> basics/src/structs/person.rs:7:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | impl Person {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr]  7 |     fn new(name: String, age: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn say_info(&self) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `square`, `set_width`, and `set_height` are never used
[INFO] [stderr]   --> basics/src/structs/rectangle.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl Rectangle {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 12 |     fn square(size: u32) -> Self {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn set_width(mut self, width: u32) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     fn set_height(mut self, height: u32) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RunningTotal` is never constructed
[INFO] [stderr]  --> basics/src/structs/running_totals.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct RunningTotal {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `print_average`, and `add_value` are never used
[INFO] [stderr]   --> basics/src/structs/running_totals.rs:7:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | impl RunningTotal {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr]  7 |     fn new(total: i32, count: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn print_average(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn add_value(&mut self, value: i32) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> basics/src/structs/running_totals.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> basics/src/structs/speed.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Kmh {
[INFO] [stderr]   | -------- associated function in this implementation
[INFO] [stderr] 7 |     fn new(value: u32) -> Kmh {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> basics/src/structs/speed.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Mph {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 18 |     fn new(value: u32) -> Mph {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]  --> basics/src/structs/point.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Point {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `set_x`, and `set_y` are never used
[INFO] [stderr]   --> basics/src/structs/point.rs:7:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | impl Point {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr]  7 |     fn new(x: i32, y: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     fn set_x(mut self, x: i32) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     fn set_y(mut self, x: i32) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]  --> basics/src/structs/tuple/tuple_structs.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Point(i32, i32, i32);
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Color` is never constructed
[INFO] [stderr]  --> basics/src/structs/tuple/tuple_structs.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Color(i32, i32, i32);
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> basics/src/structs/tuple/tuple_structs.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `quadruple` is never used
[INFO] [stderr]  --> basics/src/traits/bounds.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn quadruple<T: Operations>(x: T) -> T {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pair` is never constructed
[INFO] [stderr]  --> basics/src/traits/pair.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Pair<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> basics/src/traits/pair.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<T> Pair<T> {
[INFO] [stderr]   | --------------- associated function in this implementation
[INFO] [stderr] 9 |     fn new(x: T, y: T) -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cmp_display` is never used
[INFO] [stderr]   --> basics/src/traits/pair.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stderr]    | ------------------------------------- method in this implementation
[INFO] [stderr] 18 |     fn cmp_display(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NewsArticle` is never constructed
[INFO] [stderr]  --> basics/src/traits/summary.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct NewsArticle {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `reply` and `retweet` are never read
[INFO] [stderr]   --> basics/src/traits/summary.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Tweet {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 25 |     reply: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 26 |     retweet: bool,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn notify(item: &impl Summary) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `print` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn print<T: Summary>(item: &T) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify2` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn notify2(item: &(impl Summary + Display)) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify3` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn notify3<T: Summary + Display>(item: &T) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_function` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:57:4
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_function2` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `returns_summarizable` is never used
[INFO] [stderr]   --> basics/src/traits/summary.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn returns_summarizable() -> impl Summary {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> basics/src/sets/sets.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `basics` (bin "basics" test) generated 82 warnings (run `cargo fix --bin "basics" -p basics --tests` to apply 14 suggestions)
[INFO] [stderr] warning: struct `Clock` is never constructed
[INFO] [stderr]  --> time/src/clock/clock.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Clock {
[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`, `build`, and `add_minutes` are never used
[INFO] [stderr]   --> time/src/clock/clock.rs:9:12
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Clock {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr]  9 |     pub fn new(hours: i32, minutes: i32) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     fn build(minutes: i32) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn add_minutes(&self, minutes: i32) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gigasecond_after` is never used
[INFO] [stderr]  --> time/src/gigasecond/gigasecond.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn gigasecond_after(start: DateTime) -> DateTime {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `abCDefGh_should_return_true` should have a snake case name
[INFO] [stderr]   --> strings/tests/is_unique.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn abCDefGh_should_return_true() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ab_cdef_gh_should_return_true`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `abCedFghI_should_return_true` should have a snake case name
[INFO] [stderr]   --> strings/tests/is_unique.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn abCedFghI_should_return_true() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ab_ced_fgh_i_should_return_true`
[INFO] [stderr] 
[INFO] [stderr] warning: function `I_Am_Not_Unique_should_return_false` should have a snake case name
[INFO] [stderr]   --> strings/tests/is_unique.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn I_Am_Not_Unique_should_return_false() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `i_am_not_unique_should_return_false`
[INFO] [stderr] 
[INFO] [stderr] warning: `timeutils` (lib) generated 3 warnings
[INFO] [stderr] warning: `strings` (test "is_unique") generated 3 warnings
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> datastructures/src/iterator/range/range.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut total = 0;
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `next_val` is never read
[INFO] [stderr]  --> datastructures/src/iterator/range/range.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct OneToTen {
[INFO] [stderr]   |        -------- field in this struct
[INFO] [stderr] 5 |     next_val: u32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `range_sum` is never used
[INFO] [stderr]  --> math/src/utils.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn range_sum(low: i32, high: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `datastructures` (lib test) generated 9 warnings (7 duplicates) (run `cargo fix --lib -p datastructures --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `math` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr] warning: `restaurant` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algorithms-3dc912c6f1e643f6)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/circular_array_loop.rs (/opt/rustwide/target/debug/deps/circular_array_loop-a3c8687d7b5046ca)
[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 8 tests
[INFO] [stdout] test circular_array_loop_tests::test_1 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_6 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_5 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_7 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_8 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_3 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_2 ... ok
[INFO] [stdout] test circular_array_loop_tests::test_4 ... ok
[INFO] [stderr]      Running tests/find_sum_of_three.rs (/opt/rustwide/target/debug/deps/find_sum_of_three-8bb2b7ba0a48ea12)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test find_sum_of_three_tests::test_1 ... ok
[INFO] [stdout] test find_sum_of_three_tests::test_4 ... ok
[INFO] [stdout] test find_sum_of_three_tests::test_5 ... ok
[INFO] [stdout] test find_sum_of_three_tests::test_3 ... ok
[INFO] [stdout] test find_sum_of_three_tests::test_2 ... ok
[INFO] [stderr]      Running tests/sort_colors.rs (/opt/rustwide/target/debug/deps/sort_colors-0f8f9fdf9305b6df)
[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 8 tests
[INFO] [stdout] test sort_colors_tests::test_4 ... ok
[INFO] [stdout] test sort_colors_tests::test_8 ... ok
[INFO] [stdout] test sort_colors_tests::test_2 ... ok
[INFO] [stdout] test sort_colors_tests::test_1 ... ok
[INFO] [stderr]      Running tests/sorted_squared_array.rs (/opt/rustwide/target/debug/deps/sorted_squared_array-001821dc74174c21)
[INFO] [stdout] test sort_colors_tests::test_3 ... ok
[INFO] [stdout] test sort_colors_tests::test_5 ... ok
[INFO] [stdout] test sort_colors_tests::test_6 ... ok
[INFO] [stdout] test sort_colors_tests::test_7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 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 sorted_squared_array_tests::test_all_negative ... ok
[INFO] [stdout] test sorted_squared_array_tests::test_1 ... ok
[INFO] [stdout] test sorted_squared_array_tests::test_2 ... ok
[INFO] [stdout] test sorted_squared_array_tests::test_all_positive ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/basics-b8d9eca8a8a508be)
[INFO] [stdout] test sorted_squared_array_tests::test_single_element ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test enums::message::tests::test_ip_address ... ok
[INFO] [stdout] test enums::ip_address::tests::test_ip_address ... ok
[INFO] [stdout] test enums::person::tests::same_job ... ok
[INFO] [stdout] test enums::person::tests::equality ... ok
[INFO] [stdout] test structs::rectangle::tests::smaller_cannot_hold_larger ... ok
[INFO] [stdout] test structs::rectangle::tests::test_area ... ok
[INFO] [stdout] test structs::speed::tests::kmh_distance_calculation ... ok
[INFO] [stdout] test lifetimes::excerpt::except_tests::t_lifetimes_excerpt ... ok
[INFO] [stdout] test traits::primitives::tests::double ... ok
[INFO] [stdout] test structs::speed::tests::mph_distance_calculation ... ok
[INFO] [stdout] test lifetimes::longest::longest_tests::it_works ... ok
[INFO] [stdout] test maps::map_basics::tests::test_basics ... ok
[INFO] [stdout] test structs::rectangle::tests::larger_can_hold_smaller ... ok
[INFO] [stdout] test traits::primitives::tests::square_i32 ... ok
[INFO] [stdout] test traits::summary::summary_tests::summarizes_tweets ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/datastructures-01608cad34cfc537)
[INFO] [stdout] test structs::rectangle::tests::test_creation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iterator::vec_iter::tests::iter_test ... ok
[INFO] [stdout] test iterator::range::range::tests::test_one_to_ten ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- iterator::range::range::tests::test_one_to_ten stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'iterator::range::range::tests::test_one_to_ten' (66) panicked at datastructures/src/iterator/range/range.rs:43:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 55
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x598f96a8b602 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x598f96a8b602 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x598f96a8b602 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x598f96a8b602 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x598f96a9b43f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x598f96a9b43f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x598f96a58fa3 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x598f96a58fa3 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x598f96a64e72 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x598f96a6994f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x598f96a697e1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x598f96a2c9ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x598f96a2c9ae - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x598f96a69f5f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x598f96a69f5f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x598f96a69dba - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x598f96a64fa9 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x598f96a4d89d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x598f96aa2c90 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x598f96aa2a93 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x598f96a790f0 - core::panicking::assert_failed::h7d833fa18a067295
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x598f96a0a7c1 - datastructures::iterator::range::range::tests::test_one_to_ten::hf8c2ab3d49b7f55b
[INFO] [stdout]                                at /opt/rustwide/workdir/datastructures/src/iterator/range/range.rs:43:9
[INFO] [stdout]   22:     0x598f96a0a7e7 - datastructures::iterator::range::range::tests::test_one_to_ten::{{closure}}::h90f975f3524bca2f
[INFO] [stdout]                                at /opt/rustwide/workdir/datastructures/src/iterator/range/range.rs:39:25
[INFO] [stdout]   23:     0x598f96a0ac46 - core::ops::function::FnOnce::call_once::hb2eb602c452c2dee
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x598f96a2c78b - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x598f96a2c78b - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x598f96a4080d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x598f96a4080d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x598f96a4080d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x598f96a4080d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x598f96a4080d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x598f96a4080d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x598f96a4080d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x598f96a19d24 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x598f96a19d24 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x598f96a1d65a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x598f96a1d65a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x598f96a1d65a - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x598f96a1d65a - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x598f96a1d65a - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x598f96a1d65a - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x598f96a1d65a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x598f96a603af - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x598f96a603af - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x7eca51d47aa4 - <unknown>
[INFO] [stdout]   45:     0x7eca51dd4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     iterator::range::range::tests::test_one_to_ten
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p datastructures --lib`
[INFO] running `Command { std: "docker" "inspect" "d3124d3e3120256e308cb31f27ec001ee909ae8a9bbd8d2e26b39b71d5aab7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3124d3e3120256e308cb31f27ec001ee909ae8a9bbd8d2e26b39b71d5aab7bd", kill_on_drop: false }`
[INFO] [stdout] d3124d3e3120256e308cb31f27ec001ee909ae8a9bbd8d2e26b39b71d5aab7bd
