[INFO] cloning repository https://github.com/yyheroi/rustling_
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyheroi/rustling_" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyheroi%2Frustling_", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyheroi%2Frustling_'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67c430737a62f804f072c65828e790bb5581e77
[INFO] testing yyheroi/rustling_ against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyheroi%2Frustling_" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/yyheroi/rustling_ on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yyheroi/rustling_
[INFO] finished tweaking git repo https://github.com/yyheroi/rustling_
[INFO] tweaked toml for git repo https://github.com/yyheroi/rustling_ written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yyheroi/rustling_ 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c4f42670b46e232460fac1a10103570f51f60a85c22dd47529a2451cd7065c4
[INFO] running `Command { std: "docker" "start" "-a" "7c4f42670b46e232460fac1a10103570f51f60a85c22dd47529a2451cd7065c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c4f42670b46e232460fac1a10103570f51f60a85c22dd47529a2451cd7065c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4f42670b46e232460fac1a10103570f51f60a85c22dd47529a2451cd7065c4", kill_on_drop: false }`
[INFO] [stdout] 7c4f42670b46e232460fac1a10103570f51f60a85c22dd47529a2451cd7065c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e7be63ed335d7e25d46bc06e82a58efc02b950188d108907194caace29ad70
[INFO] running `Command { std: "docker" "start" "-a" "40e7be63ed335d7e25d46bc06e82a58efc02b950188d108907194caace29ad70", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> solutions/20_threads/threads3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Queue {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> solutions/20_threads/threads3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Queue {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_tx` is never used
[INFO] [stdout]   --> solutions/20_threads/threads3.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn send_tx(q: Queue, tx: mpsc::Sender<u32>) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_cost` is never used
[INFO] [stdout]   --> solutions/13_error_handling/errors2.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn total_cost(item_quantity: &str) -> Result<i32, ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]  --> exercises/18_iterators/iterators4.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(num: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Team` is never constructed
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Team {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Team` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_scores_table` is never used
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps3.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn build_scores_table(results: &str) -> HashMap<&str, Team> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]  --> exercises/16_lifetimes/lifetimes1.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Licensed` is never used
[INFO] [stdout]  --> exercises/15_traits/traits4.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Licensed {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeSoftware` is never constructed
[INFO] [stdout]  --> exercises/15_traits/traits4.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SomeSoftware;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OtherSoftware` is never constructed
[INFO] [stdout]  --> exercises/15_traits/traits4.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct OtherSoftware;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_license_types` is never used
[INFO] [stdout]   --> exercises/15_traits/traits4.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compare_license_types(software1:impl Licensed, software2: impl Licensed) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo_if_fizz` is never used
[INFO] [stdout]  --> solutions/03_if/if2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn foo_if_fizz(fizzish: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReportCard` is never constructed
[INFO] [stdout]   --> exercises/quizzes/quiz3.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct ReportCard<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> exercises/quizzes/quiz3.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T: std::fmt::Display> ReportCard<T> {
[INFO] [stdout]    | ---------------------------------------- method in this implementation
[INFO] [stdout] 23 |     fn print(&self) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorRegularStruct` is never constructed
[INFO] [stdout]  --> exercises/07_structs/structs1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct ColorRegularStruct {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorTupleStruct` is never constructed
[INFO] [stdout]  --> exercises/07_structs/structs1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ColorTupleStruct(i32, i32, i32/* TODO: Add the fields that the test `tuple_structs` expects */);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnitStruct` is never constructed
[INFO] [stdout]   --> exercises/07_structs/structs1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct UnitStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `animal_habitat` is never used
[INFO] [stdout]  --> exercises/03_if/if3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn animal_habitat(animal: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Package` is never constructed
[INFO] [stdout]  --> solutions/07_structs/structs3.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Package {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_international`, and `get_fees` are never used
[INFO] [stdout]   --> solutions/07_structs/structs3.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Package {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 9  |     fn new(sender_country: String, recipient_country: String, weight_in_grams: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn is_international(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn get_fees(&self, cents_per_gram: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `animal_habitat` is never used
[INFO] [stdout]  --> solutions/03_if/if3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn animal_habitat(animal: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vec` is never used
[INFO] [stdout]  --> solutions/06_move_semantics/move_semantics3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreationError` is never used
[INFO] [stdout]  --> exercises/13_error_handling/errors4.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CreationError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PositiveNonzeroInteger` is never constructed
[INFO] [stdout]   --> exercises/13_error_handling/errors4.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct PositiveNonzeroInteger(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/13_error_handling/errors4.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PositiveNonzeroInteger {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(value: i64) -> Result<Self, CreationError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vec` is never used
[INFO] [stdout]  --> exercises/06_move_semantics/move_semantics3.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `details` is never used
[INFO] [stdout]   --> exercises/19_smart_pointers/rc1.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Planet {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 25 |     fn details(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReportCard` is never constructed
[INFO] [stdout]   --> solutions/quizzes/quiz3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ReportCard<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> solutions/quizzes/quiz3.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T: Display> ReportCard<T> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 23 |     //  ^^^^^^^ require that `T` implements `Display`.
[INFO] [stdout] 24 |     fn print(&self) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_even` is never used
[INFO] [stdout]  --> solutions/17_tests/tests1.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_even(n: i64) -> bool {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AppendBar` is never used
[INFO] [stdout]  --> solutions/15_traits/traits2.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait AppendBar {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Fruit` is never used
[INFO] [stdout]   --> solutions/11_hashmaps/hashmaps2.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Fruit {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fruit_basket` is never used
[INFO] [stdout]   --> solutions/11_hashmaps/hashmaps2.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> solutions/17_tests/tests3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> solutions/17_tests/tests3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rectangle {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     // Don't change this function.
[INFO] [stdout] 8 |     fn new(width: i32, height: i32) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_price_of_apples` is never used
[INFO] [stdout]  --> solutions/quizzes/quiz1.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn calculate_price_of_apples(n_apples: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `details` is never used
[INFO] [stdout]   --> solutions/19_smart_pointers/rc1.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Planet {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 25 |     fn details(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `placeholder` is never used
[INFO] [stdout]  --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn placeholder() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_even` is never used
[INFO] [stdout]  --> exercises/17_tests/tests1.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_even(n: i64) -> bool {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_cost` is never used
[INFO] [stdout]   --> exercises/13_error_handling/errors2.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn total_cost(item_quantity: &str) -> Result<i32, ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power_of_2` is never used
[INFO] [stdout]  --> solutions/17_tests/tests2.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn power_of_2(n: u8) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_counter` is never used
[INFO] [stdout]  --> exercises/23_conversions/as_ref_mut.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn byte_counter<T: AsRef<str>>(arg: T) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_counter` is never used
[INFO] [stdout]   --> exercises/23_conversions/as_ref_mut.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn char_counter<T: AsRef<str>>(arg: T) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_sq` is never used
[INFO] [stdout]   --> exercises/23_conversions/as_ref_mut.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn num_sq<T: AsMut<u32>>(arg: &mut T) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_me` is never used
[INFO] [stdout]  --> solutions/09_strings/strings3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn trim_me(input: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compose_me` is never used
[INFO] [stdout]  --> solutions/09_strings/strings3.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn compose_me(input: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_me` is never used
[INFO] [stdout]   --> solutions/09_strings/strings3.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn replace_me(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_for` is never used
[INFO] [stdout]  --> solutions/18_iterators/iterators4.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn factorial_for(num: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_fold` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators4.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn factorial_fold(num: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_product` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators4.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn factorial_product(num: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vec` is never used
[INFO] [stdout]  --> exercises/06_move_semantics/move_semantics2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_nametag_text` is never used
[INFO] [stdout]  --> exercises/13_error_handling/errors1.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn generate_nametag_text(name: String) -> Result<String, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> exercises/17_tests/tests3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> exercises/17_tests/tests3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rectangle {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     // Don't change this function.
[INFO] [stdout] 8 |     fn new(width: i32, height: i32) -> Result<Self, String> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vec` is never used
[INFO] [stdout]  --> solutions/06_move_semantics/move_semantics2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Licensed` is never used
[INFO] [stdout]  --> solutions/15_traits/traits4.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Licensed {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeSoftware` is never constructed
[INFO] [stdout]  --> solutions/15_traits/traits4.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SomeSoftware;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OtherSoftware` is never constructed
[INFO] [stdout]  --> solutions/15_traits/traits4.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct OtherSoftware;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_license_types` is never used
[INFO] [stdout]   --> solutions/15_traits/traits4.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn compare_license_types(software1: impl Licensed, software2: impl Licensed) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_and_vec` is never used
[INFO] [stdout]  --> solutions/05_vecs/vecs1.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn array_and_vec() -> ([i32; 4], Vec<i32>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DivisionError` is never used
[INFO] [stdout]  --> solutions/18_iterators/iterators3.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum DivisionError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators3.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `result_with_list` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators3.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn result_with_list() -> Result<Vec<i64>, DivisionError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_of_results` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators3.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn list_of_results() -> Vec<Result<i64, DivisionError>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> solutions/08_enums/enums3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> solutions/08_enums/enums3.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> solutions/08_enums/enums3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `resize`, `move_position`, `echo`, `change_color`, `quit`, and `process` are never used
[INFO] [stdout]   --> solutions/08_enums/enums3.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 24 |     fn resize(&mut self, width: u64, height: u64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn move_position(&mut self, point: Point) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn echo(&mut self, s: String) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn change_color(&mut self, red: u8, green: u8, blue: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn quit(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn process(&mut self, message: Message) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_loop` is never used
[INFO] [stdout]  --> exercises/05_vecs/vecs2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn vec_loop(input: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_map_example` is never used
[INFO] [stdout]   --> exercises/05_vecs/vecs2.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn vec_map_example(input: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_map` is never used
[INFO] [stdout]   --> exercises/05_vecs/vecs2.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn vec_map(input: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_nametag_text` is never used
[INFO] [stdout]  --> solutions/13_error_handling/errors1.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn generate_nametag_text(name: String) -> Result<String, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_first` is never used
[INFO] [stdout]  --> exercises/18_iterators/iterators2.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn capitalize_first(input: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_words_vector` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators2.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn capitalize_words_vector(words: &[&str]) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_words_string` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators2.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn capitalize_words_string(words: &[&str]) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Package` is never constructed
[INFO] [stdout]  --> exercises/07_structs/structs3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Package {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_international`, and `get_fees` are never used
[INFO] [stdout]   --> exercises/07_structs/structs3.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Package {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     fn new(sender_country: String, recipient_country: String, weight_in_grams: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn is_international(&self) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn get_fees(&self, cents_per_gram: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bigger` is never used
[INFO] [stdout]  --> solutions/03_if/if1.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bigger(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_counter` is never used
[INFO] [stdout]  --> solutions/23_conversions/as_ref_mut.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn byte_counter<T: AsRef<str>>(arg: T) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_counter` is never used
[INFO] [stdout]   --> solutions/23_conversions/as_ref_mut.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn char_counter<T: AsRef<str>>(arg: T) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_sq` is never used
[INFO] [stdout]   --> solutions/23_conversions/as_ref_mut.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn num_sq<T: AsMut<u32>>(arg: &mut T) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_and_vec` is never used
[INFO] [stdout]  --> exercises/05_vecs/vecs1.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn array_and_vec() -> ([i32; 4], Vec<i32>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fruit_basket` is never used
[INFO] [stdout]  --> exercises/11_hashmaps/hashmaps1.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fruit_basket() -> HashMap<String, u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power_of_2` is never used
[INFO] [stdout]  --> exercises/17_tests/tests2.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn power_of_2(n: u8) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreationError` is never used
[INFO] [stdout]   --> solutions/13_error_handling/errors6.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum CreationError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParsePosNonzeroError` is never used
[INFO] [stdout]   --> solutions/13_error_handling/errors6.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ParsePosNonzeroError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_creation` and `from_parseint` are never used
[INFO] [stdout]   --> solutions/13_error_handling/errors6.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl ParsePosNonzeroError {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] 23 |     fn from_creation(err: CreationError) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn from_parseint(err: ParseIntError) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PositiveNonzeroInteger` is never constructed
[INFO] [stdout]   --> solutions/13_error_handling/errors6.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PositiveNonzeroInteger(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `parse` are never used
[INFO] [stdout]   --> solutions/13_error_handling/errors6.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PositiveNonzeroInteger {
[INFO] [stdout]    | --------------------------- associated functions in this implementation
[INFO] [stdout] 36 |     fn new(value: i64) -> Result<Self, CreationError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn parse(s: &str) -> Result<Self, ParsePosNonzeroError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorRegularStruct` is never constructed
[INFO] [stdout]  --> solutions/07_structs/structs1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct ColorRegularStruct {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorTupleStruct` is never constructed
[INFO] [stdout]  --> solutions/07_structs/structs1.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ColorTupleStruct(u8, u8, u8);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnitStruct` is never constructed
[INFO] [stdout]   --> solutions/07_structs/structs1.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct UnitStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]   --> exercises/quizzes/quiz2.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transformer` is never used
[INFO] [stdout]   --> exercises/quizzes/quiz2.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> { 
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Progress` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators5.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Progress {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_loop` is never used
[INFO] [stdout]  --> solutions/05_vecs/vecs2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn vec_loop(input: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_for` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators5.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn count_for(map: &HashMap<String, Progress>, value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_iterator` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators5.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn count_iterator(map: &HashMap<String, Progress>, value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_collection_for` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators5.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn count_collection_for(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_collection_iterator` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators5.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn count_collection_iterator(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_collection_iterator_flat` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators5.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn count_collection_iterator_flat(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_map_example` is never used
[INFO] [stdout]   --> solutions/05_vecs/vecs2.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn vec_map_example(input: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_map` is never used
[INFO] [stdout]   --> solutions/05_vecs/vecs2.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn vec_map(input: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Team` is never constructed
[INFO] [stdout]   --> solutions/11_hashmaps/hashmaps3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Team {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Team` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_scores_table` is never used
[INFO] [stdout]   --> solutions/11_hashmaps/hashmaps3.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn build_scores_table(results: &str) -> HashMap<&str, Team> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> exercises/20_threads/threads3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Queue {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> exercises/20_threads/threads3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Queue {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_tx` is never used
[INFO] [stdout]   --> exercises/20_threads/threads3.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn send_tx(q: Queue, tx: mpsc::Sender<u32>) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for (k,v) in map.iter() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for (k,v) in map.iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Progress` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Progress {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_for` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn count_for(map: &HashMap<String, Progress>, value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_iterator` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn count_iterator(map: &HashMap<String, Progress>, value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_collection_for` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn count_collection_for(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_collection_iterator` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn count_collection_iterator(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]  --> exercises/14_generics/generics2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Wrapper<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> exercises/14_generics/generics2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Wrapper<T> {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 9 |     fn new(value: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> exercises/23_conversions/from_into.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maybe_icecream` is never used
[INFO] [stdout]  --> exercises/12_options/options1.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn maybe_icecream(hour_of_day: u16) -> Option<u16> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vec` is never used
[INFO] [stdout]  --> exercises/06_move_semantics/move_semantics1.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Order` is never constructed
[INFO] [stdout]  --> exercises/07_structs/structs2.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Order {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_order_template` is never used
[INFO] [stdout]   --> exercises/07_structs/structs2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn create_order_template() -> Order {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_price_of_apples` is never used
[INFO] [stdout]   --> exercises/quizzes/quiz1.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn calculate_price_of_apples(n: i32) -> i32 { 
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maybe_icecream` is never used
[INFO] [stdout]  --> solutions/12_options/options1.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn maybe_icecream(hour_of_day: u16) -> Option<u16> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]  --> solutions/14_generics/generics2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Wrapper<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> solutions/14_generics/generics2.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<T> Wrapper<T> {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 6 |     fn new(value: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> exercises/08_enums/enums3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ResizeWH` is never constructed
[INFO] [stdout]  --> exercises/08_enums/enums3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ResizeWH {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> exercises/08_enums/enums3.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> exercises/08_enums/enums3.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `resize`, `move_position`, `echo`, `change_color`, `quit`, and `process` are never used
[INFO] [stdout]   --> exercises/08_enums/enums3.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 29 |     fn resize(&mut self, width: u64, height: u64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn move_position(&mut self, point: Point) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn echo(&mut self, s: String) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn change_color(&mut self, red: u8, green: u8, blue: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn quit(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn process(&mut self, message: Message) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abs_all` is never used
[INFO] [stdout]  --> solutions/19_smart_pointers/cow1.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn abs_all(input: &mut Cow<[i32]>) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]  --> solutions/16_lifetimes/lifetimes1.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_locked`
[INFO] [stdout]   --> exercises/20_threads/threads2.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let status_locked = status.lock().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_locked`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_me` is never used
[INFO] [stdout]  --> exercises/09_strings/strings3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn trim_me(input: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compose_me` is never used
[INFO] [stdout]  --> exercises/09_strings/strings3.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn compose_me(input: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_me` is never used
[INFO] [stdout]   --> exercises/09_strings/strings3.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn replace_me(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]  --> exercises/15_traits/traits5.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait SomeTrait {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Order` is never constructed
[INFO] [stdout]  --> solutions/07_structs/structs2.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Order {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_order_template` is never used
[INFO] [stdout]   --> solutions/07_structs/structs2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn create_order_template() -> Order {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OtherTrait` is never used
[INFO] [stdout]  --> exercises/15_traits/traits5.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait OtherTrait {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStruct` is never constructed
[INFO] [stdout]   --> exercises/15_traits/traits5.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SomeStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OtherStruct` is never constructed
[INFO] [stdout]   --> exercises/15_traits/traits5.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct OtherStruct;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_func` is never used
[INFO] [stdout]   --> exercises/15_traits/traits5.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn some_func(item: impl OtherTrait + SomeTrait) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fruit_basket` is never used
[INFO] [stdout]  --> solutions/11_hashmaps/hashmaps1.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fruit_basket() -> HashMap<String, u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreationError` is never used
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum CreationError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParsePosNonzeroError` is never used
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ParsePosNonzeroError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_creation` and `from_parseint` are never used
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl ParsePosNonzeroError {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] 23 |     fn from_creation(err: CreationError) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn from_parseint(err: ParseIntError) -> Self { 
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PositiveNonzeroInteger` is never constructed
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct PositiveNonzeroInteger(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `parse` are never used
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PositiveNonzeroInteger {
[INFO] [stdout]    | --------------------------- associated functions in this implementation
[INFO] [stdout] 37 |     fn new(value: i64) -> Result<Self, CreationError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn parse(s: &str) -> Result<Self, ParsePosNonzeroError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> solutions/23_conversions/from_into.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]   --> solutions/quizzes/quiz2.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transformer` is never used
[INFO] [stdout]   --> solutions/quizzes/quiz2.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transformer_iter` is never used
[INFO] [stdout]   --> solutions/quizzes/quiz2.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn transformer_iter(input: Vec<(String, Command)>) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_first` is never used
[INFO] [stdout]  --> solutions/18_iterators/iterators2.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn capitalize_first(input: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_words_vector` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators2.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn capitalize_words_vector(words: &[&str]) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_words_string` is never used
[INFO] [stdout]   --> solutions/18_iterators/iterators2.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn capitalize_words_string(words: &[&str]) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AppendBar` is never used
[INFO] [stdout]  --> exercises/15_traits/traits2.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait AppendBar {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo_if_fizz` is never used
[INFO] [stdout]  --> exercises/03_if/if2.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn foo_if_fizz(fizzish: &str) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abs_all` is never used
[INFO] [stdout]  --> exercises/19_smart_pointers/cow1.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn abs_all(input: &mut Cow<[i32]>) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bigger` is never used
[INFO] [stdout]  --> exercises/03_if/if1.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bigger(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_vec` is never used
[INFO] [stdout]  --> solutions/06_move_semantics/move_semantics1.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CreationError` is never used
[INFO] [stdout]  --> solutions/13_error_handling/errors4.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CreationError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PositiveNonzeroInteger` is never constructed
[INFO] [stdout]   --> solutions/13_error_handling/errors4.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct PositiveNonzeroInteger(u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> solutions/13_error_handling/errors4.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl PositiveNonzeroInteger {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(value: i64) -> Result<Self, CreationError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DivisionError` is never used
[INFO] [stdout]  --> exercises/18_iterators/iterators3.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum DivisionError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `result_with_list` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn result_with_list() -> Result<Vec<i64>, DivisionError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_of_results` is never used
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn list_of_results() -> Vec<Result<i64, DivisionError>>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]  --> solutions/15_traits/traits5.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait SomeTrait {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OtherTrait` is never used
[INFO] [stdout]  --> solutions/15_traits/traits5.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait OtherTrait {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeStruct` is never constructed
[INFO] [stdout]   --> solutions/15_traits/traits5.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SomeStruct;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OtherStruct` is never constructed
[INFO] [stdout]   --> solutions/15_traits/traits5.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct OtherStruct;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_func` is never used
[INFO] [stdout]   --> solutions/15_traits/traits5.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn some_func(item: impl SomeTrait + OtherTrait) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Fruit` is never used
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps2.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Fruit {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fruit_basket` is never used
[INFO] [stdout]   --> exercises/11_hashmaps/hashmaps2.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "40e7be63ed335d7e25d46bc06e82a58efc02b950188d108907194caace29ad70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e7be63ed335d7e25d46bc06e82a58efc02b950188d108907194caace29ad70", kill_on_drop: false }`
[INFO] [stdout] 40e7be63ed335d7e25d46bc06e82a58efc02b950188d108907194caace29ad70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1e83c5c09bbd43cd49b60aada3d817f2a93af160b1a6361d9b8968b34dcb492
[INFO] running `Command { std: "docker" "start" "-a" "f1e83c5c09bbd43cd49b60aada3d817f2a93af160b1a6361d9b8968b34dcb492", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `placeholder` is never used
[INFO] [stdout]  --> exercises/09_strings/strings4.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn placeholder() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_locked`
[INFO] [stdout]   --> exercises/20_threads/threads2.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let status_locked = status.lock().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_locked`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for (k,v) in map.iter() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for (k,v) in map.iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> exercises/04_primitive_types/primitive_types4.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let a = [1, 2, 3, 4, 5];
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "f1e83c5c09bbd43cd49b60aada3d817f2a93af160b1a6361d9b8968b34dcb492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e83c5c09bbd43cd49b60aada3d817f2a93af160b1a6361d9b8968b34dcb492", kill_on_drop: false }`
[INFO] [stdout] f1e83c5c09bbd43cd49b60aada3d817f2a93af160b1a6361d9b8968b34dcb492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 238175f0cd42c712714f45a325ccc9fe55e70c87771f8ecc79477aaf3a464cff
[INFO] running `Command { std: "docker" "start" "-a" "238175f0cd42c712714f45a325ccc9fe55e70c87771f8ecc79477aaf3a464cff", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> exercises/18_iterators/iterators5.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |     for (k,v) in map.iter() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> exercises/18_iterators/iterators5.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for (k,v) in map.iter() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> exercises/04_primitive_types/primitive_types4.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let a = [1, 2, 3, 4, 5];
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercises` (bin "iterators5" test) generated 2 warnings
[INFO] [stderr] warning: `exercises` (bin "primitive_types4" test) generated 1 warning
[INFO] [stderr] warning: function `placeholder` is never used
[INFO] [stderr]  --> exercises/09_strings/strings4.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn placeholder() {}
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercises` (bin "strings4" test) generated 1 warning
[INFO] [stderr] warning: unused variable: `status_locked`
[INFO] [stderr]   --> exercises/20_threads/threads2.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let status_locked = status.lock().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_locked`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercises` (bin "threads2" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests exercises/19_smart_pointers/arc1.rs (/opt/rustwide/target/debug/deps/arc1-113c237a5dcf2a4b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/19_smart_pointers/arc1.rs (/opt/rustwide/target/debug/deps/arc1_sol-9a11e345cf6bfe93)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/23_conversions/as_ref_mut.rs (/opt/rustwide/target/debug/deps/as_ref_mut-b1987c82411e2737)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::different_counts ... ok
[INFO] [stdout] test tests::different_counts_using_string ... ok
[INFO] [stdout] test tests::mut_box ... ok
[INFO] [stdout] test tests::same_counts ... ok
[INFO] [stdout] test tests::same_counts_using_string ... 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] [stderr]      Running unittests solutions/23_conversions/as_ref_mut.rs (/opt/rustwide/target/debug/deps/as_ref_mut_sol-bdf23b4a8d384f51)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::mut_box ... ok
[INFO] [stdout] test tests::different_counts_using_string ... ok
[INFO] [stdout] test tests::different_counts ... ok
[INFO] [stdout] test tests::same_counts ... ok
[INFO] [stdout] test tests::same_counts_using_string ... 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] [stderr]      Running unittests exercises/19_smart_pointers/box1.rs (/opt/rustwide/target/debug/deps/box1-d88807c73997a5a8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_create_empty_list ... ok
[INFO] [stdout] test tests::test_create_non_empty_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/19_smart_pointers/box1.rs (/opt/rustwide/target/debug/deps/box1_sol-01ec0c275dc8b652)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_create_empty_list ... ok
[INFO] [stdout] test tests::test_create_non_empty_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/22_clippy/clippy1.rs (/opt/rustwide/target/debug/deps/clippy1-f2ee173a8f9320db)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/22_clippy/clippy1.rs (/opt/rustwide/target/debug/deps/clippy1_sol-97b7e4364e35e756)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/22_clippy/clippy2.rs (/opt/rustwide/target/debug/deps/clippy2-cc007015cb77e3e1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/22_clippy/clippy2.rs (/opt/rustwide/target/debug/deps/clippy2_sol-eeff58f18e62b224)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/22_clippy/clippy3.rs (/opt/rustwide/target/debug/deps/clippy3-1284caa91477d54b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/22_clippy/clippy3.rs (/opt/rustwide/target/debug/deps/clippy3_sol-d81e7d18e717e729)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/19_smart_pointers/cow1.rs (/opt/rustwide/target/debug/deps/cow1-f65eae13455b9e79)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::owned_mutation ... ok
[INFO] [stdout] test tests::owned_no_mutation ... ok
[INFO] [stdout] test tests::reference_mutation ... ok
[INFO] [stdout] test tests::reference_no_mutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/19_smart_pointers/cow1.rs (/opt/rustwide/target/debug/deps/cow1_sol-51136a99d3704f5c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::owned_no_mutation ... ok
[INFO] [stdout] test tests::owned_mutation ... ok
[INFO] [stdout] test tests::reference_mutation ... ok
[INFO] [stdout] test tests::reference_no_mutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/08_enums/enums1.rs (/opt/rustwide/target/debug/deps/enums1-98141cbf489cb903)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/08_enums/enums1.rs (/opt/rustwide/target/debug/deps/enums1_sol-d19c2928d365e073)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/08_enums/enums2.rs (/opt/rustwide/target/debug/deps/enums2-d6b8357f1dba8272)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/08_enums/enums2.rs (/opt/rustwide/target/debug/deps/enums2_sol-8e32dcdb0fc0bc5e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/08_enums/enums3.rs (/opt/rustwide/target/debug/deps/enums3-121dde019e5a83b9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_match_message_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/08_enums/enums3.rs (/opt/rustwide/target/debug/deps/enums3_sol-041a0a2a1cb017b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_match_message_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/13_error_handling/errors1.rs (/opt/rustwide/target/debug/deps/errors1-f1932c8f5fc5eb6a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::explains_why_generating_nametag_text_fails ... ok
[INFO] [stdout] test tests::generates_nametag_text_for_a_nonempty_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/13_error_handling/errors1.rs (/opt/rustwide/target/debug/deps/errors1_sol-59e2523f200df26b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::explains_why_generating_nametag_text_fails ... ok
[INFO] [stdout] test tests::generates_nametag_text_for_a_nonempty_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/13_error_handling/errors2.rs (/opt/rustwide/target/debug/deps/errors2-9e64acb5076afbc9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::item_quantity_is_a_valid_number ... ok
[INFO] [stdout] test tests::item_quantity_is_an_invalid_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/13_error_handling/errors2.rs (/opt/rustwide/target/debug/deps/errors2_sol-50ef102704849425)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::item_quantity_is_a_valid_number ... ok
[INFO] [stdout] test tests::item_quantity_is_an_invalid_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/13_error_handling/errors3.rs (/opt/rustwide/target/debug/deps/errors3-574cd5ec070671f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/13_error_handling/errors3.rs (/opt/rustwide/target/debug/deps/errors3_sol-cb1ef69aaab116a9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/13_error_handling/errors4.rs (/opt/rustwide/target/debug/deps/errors4-319687d5b281bc41)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_creation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/13_error_handling/errors4.rs (/opt/rustwide/target/debug/deps/errors4_sol-63133995568271fc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_creation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/13_error_handling/errors5.rs (/opt/rustwide/target/debug/deps/errors5-4fc7fc54233d931f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/13_error_handling/errors5.rs (/opt/rustwide/target/debug/deps/errors5_sol-556bb51d89aea655)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/13_error_handling/errors6.rs (/opt/rustwide/target/debug/deps/errors6-48f360bb078c6f53)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_negative ... ok
[INFO] [stdout] test test::test_parse_error ... ok
[INFO] [stdout] test test::test_positive ... ok
[INFO] [stdout] test test::test_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/13_error_handling/errors6.rs (/opt/rustwide/target/debug/deps/errors6_sol-2ec5e46acd8f17f4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_negative ... ok
[INFO] [stdout] test test::test_parse_error ... ok
[INFO] [stdout] test test::test_positive ... ok
[INFO] [stdout] test test::test_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/23_conversions/from_into.rs (/opt/rustwide/target/debug/deps/from_into-eb370ce13a93a97a)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_bad_age ... ok
[INFO] [stdout] test tests::test_bad_convert ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_good_convert ... ok
[INFO] [stdout] test tests::test_missing_age ... ok
[INFO] [stdout] test tests::test_missing_comma_and_age ... ok
[INFO] [stdout] test tests::test_missing_name ... ok
[INFO] [stdout] test tests::test_missing_name_and_age ... ok
[INFO] [stdout] test tests::test_missing_name_and_invalid_age ... ok
[INFO] [stdout] test tests::test_trailing_comma ... ok
[INFO] [stdout] test tests::test_trailing_comma_and_some_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/23_conversions/from_into.rs (/opt/rustwide/target/debug/deps/from_into_sol-eee894cdad41ff1d)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_bad_age ... ok
[INFO] [stdout] test tests::test_bad_convert ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_good_convert ... ok
[INFO] [stdout] test tests::test_missing_age ... ok
[INFO] [stdout] test tests::test_missing_comma_and_age ... ok
[INFO] [stdout] test tests::test_missing_name ... ok
[INFO] [stdout] test tests::test_missing_name_and_age ... ok
[INFO] [stdout] test tests::test_missing_name_and_invalid_age ... ok
[INFO] [stdout] test tests::test_trailing_comma ... ok
[INFO] [stdout] test tests::test_trailing_comma_and_some_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/23_conversions/from_str.rs (/opt/rustwide/target/debug/deps/from_str-80c514cd337537e5)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::empty_input ... ok
[INFO] [stdout] test tests::good_input ... ok
[INFO] [stdout] test tests::invalid_age ... ok
[INFO] [stdout] test tests::missing_age ... ok
[INFO] [stdout] test tests::missing_comma_and_age ... ok
[INFO] [stdout] test tests::missing_name ... ok
[INFO] [stdout] test tests::missing_name_and_age ... ok
[INFO] [stdout] test tests::missing_name_and_invalid_age ... ok
[INFO] [stdout] test tests::trailing_comma ... ok
[INFO] [stdout] test tests::trailing_comma_and_some_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/23_conversions/from_str.rs (/opt/rustwide/target/debug/deps/from_str_sol-8249947b7b49aef2)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::empty_input ... ok
[INFO] [stdout] test tests::good_input ... ok
[INFO] [stdout] test tests::missing_age ... ok
[INFO] [stderr]      Running unittests exercises/02_functions/functions1.rs (/opt/rustwide/target/debug/deps/functions1-d79729a583e8afc1)
[INFO] [stdout] test tests::invalid_age ... ok
[INFO] [stdout] test tests::missing_comma_and_age ... ok
[INFO] [stdout] test tests::missing_name ... ok
[INFO] [stdout] test tests::missing_name_and_age ... ok
[INFO] [stdout] test tests::missing_name_and_invalid_age ... ok
[INFO] [stdout] test tests::trailing_comma ... ok
[INFO] [stdout] test tests::trailing_comma_and_some_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/02_functions/functions1.rs (/opt/rustwide/target/debug/deps/functions1_sol-c104ae5b5ea3bb97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/02_functions/functions2.rs (/opt/rustwide/target/debug/deps/functions2-d6e349fcef1a29da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/02_functions/functions2.rs (/opt/rustwide/target/debug/deps/functions2_sol-ad54de5cef0a0e75)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/02_functions/functions3.rs (/opt/rustwide/target/debug/deps/functions3-c9b97cb58fdf06a8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/02_functions/functions3.rs (/opt/rustwide/target/debug/deps/functions3_sol-7ef85712ee7c97e8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/02_functions/functions4.rs (/opt/rustwide/target/debug/deps/functions4-8d9ff20059c6c850)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/02_functions/functions4.rs (/opt/rustwide/target/debug/deps/functions4_sol-4aa9d4fcc56012b7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/02_functions/functions5.rs (/opt/rustwide/target/debug/deps/functions5-a4098fc40945fecd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/02_functions/functions5.rs (/opt/rustwide/target/debug/deps/functions5_sol-1493961a3908ea36)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/14_generics/generics1.rs (/opt/rustwide/target/debug/deps/generics1-e1c2c45af08187d9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/14_generics/generics1.rs (/opt/rustwide/target/debug/deps/generics1_sol-25c29948c244420c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/14_generics/generics2.rs (/opt/rustwide/target/debug/deps/generics2-a18d7f8b78803c69)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::store_str_in_wrapper ... ok
[INFO] [stdout] test tests::store_u32_in_wrapper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/14_generics/generics2.rs (/opt/rustwide/target/debug/deps/generics2_sol-bb8a6656e985d6c3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::store_str_in_wrapper ... ok
[INFO] [stdout] test tests::store_u32_in_wrapper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/11_hashmaps/hashmaps1.rs (/opt/rustwide/target/debug/deps/hashmaps1-7fcd647b2fe2b082)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::at_least_five_fruits ... ok
[INFO] [stdout] test tests::at_least_three_types_of_fruits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/11_hashmaps/hashmaps1.rs (/opt/rustwide/target/debug/deps/hashmaps1_sol-5aa5134bfc8b754f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::at_least_five_fruits ... ok
[INFO] [stdout] test tests::at_least_three_types_of_fruits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/11_hashmaps/hashmaps2.rs (/opt/rustwide/target/debug/deps/hashmaps2-714dd57254e0688b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::all_fruit_types_in_basket ... ok
[INFO] [stdout] test tests::at_least_five_types_of_fruits ... ok
[INFO] [stdout] test tests::greater_than_eleven_fruits ... ok
[INFO] [stdout] test tests::test_given_fruits_are_not_modified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/11_hashmaps/hashmaps2.rs (/opt/rustwide/target/debug/deps/hashmaps2_sol-5253584466afe39a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::all_fruit_types_in_basket ... ok
[INFO] [stdout] test tests::greater_than_eleven_fruits ... ok
[INFO] [stdout] test tests::test_given_fruits_are_not_modified ... ok
[INFO] [stdout] test tests::at_least_five_types_of_fruits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/11_hashmaps/hashmaps3.rs (/opt/rustwide/target/debug/deps/hashmaps3-4f4ef820422c345a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::build_scores ... ok
[INFO] [stdout] test tests::validate_team_score_1 ... ok
[INFO] [stdout] test tests::validate_team_score_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/11_hashmaps/hashmaps3.rs (/opt/rustwide/target/debug/deps/hashmaps3_sol-cfaa0a19a2c54c63)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::build_scores ... ok
[INFO] [stdout] test tests::validate_team_score_1 ... ok
[INFO] [stdout] test tests::validate_team_score_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/03_if/if1.rs (/opt/rustwide/target/debug/deps/if1-fead6b81eb5bb185)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::equal_numbers ... ok
[INFO] [stdout] test tests::ten_is_bigger_than_eight ... ok
[INFO] [stdout] test tests::fortytwo_is_bigger_than_thirtytwo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/03_if/if1.rs (/opt/rustwide/target/debug/deps/if1_sol-598aff8c68eac9f7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::equal_numbers ... ok
[INFO] [stdout] test tests::fortytwo_is_bigger_than_thirtytwo ... ok
[INFO] [stdout] test tests::ten_is_bigger_than_eight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/03_if/if2.rs (/opt/rustwide/target/debug/deps/if2-8cbd54a7de9e4a9e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::bar_for_fuzz ... ok
[INFO] [stdout] test tests::foo_for_fizz ... ok
[INFO] [stdout] test tests::default_to_baz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/03_if/if2.rs (/opt/rustwide/target/debug/deps/if2_sol-4a0c60ee2621d10e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::bar_for_fuzz ... ok
[INFO] [stdout] test tests::default_to_baz ... ok
[INFO] [stdout] test tests::foo_for_fizz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/03_if/if3.rs (/opt/rustwide/target/debug/deps/if3-0efc081ff3b48a81)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::crab_lives_on_beach ... ok
[INFO] [stdout] test tests::snake_lives_in_desert ... ok
[INFO] [stdout] test tests::gopher_lives_in_burrow ... ok
[INFO] [stdout] test tests::unknown_animal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/03_if/if3.rs (/opt/rustwide/target/debug/deps/if3_sol-2d855bc4ac23cd79)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::crab_lives_on_beach ... ok
[INFO] [stdout] test tests::gopher_lives_in_burrow ... ok
[INFO] [stdout] test tests::snake_lives_in_desert ... ok
[INFO] [stdout] test tests::unknown_animal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/00_intro/intro1.rs (/opt/rustwide/target/debug/deps/intro1-3bb530e91a59c67f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/00_intro/intro1.rs (/opt/rustwide/target/debug/deps/intro1_sol-683f0de30858b608)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/00_intro/intro2.rs (/opt/rustwide/target/debug/deps/intro2-b60fac33d06bb844)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/00_intro/intro2.rs (/opt/rustwide/target/debug/deps/intro2_sol-e015ada422523d17)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/18_iterators/iterators1.rs (/opt/rustwide/target/debug/deps/iterators1-9e5dba78af5eebbc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::iterators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/18_iterators/iterators1.rs (/opt/rustwide/target/debug/deps/iterators1_sol-01fb946210993129)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::iterators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/18_iterators/iterators2.rs (/opt/rustwide/target/debug/deps/iterators2-ff9a269215e2fe67)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_iterate_into_string ... ok
[INFO] [stdout] test tests::test_iterate_string_vec ... ok
[INFO] [stdout] test tests::test_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/18_iterators/iterators2.rs (/opt/rustwide/target/debug/deps/iterators2_sol-72de8887d17ed234)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_iterate_into_string ... ok
[INFO] [stdout] test tests::test_iterate_string_vec ... ok
[INFO] [stdout] test tests::test_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/18_iterators/iterators3.rs (/opt/rustwide/target/debug/deps/iterators3-2171c1d4284428d6)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_integer_overflow ... ok
[INFO] [stdout] test tests::test_list_of_results ... ok
[INFO] [stdout] test tests::test_divide_0_by_something ... ok
[INFO] [stdout] test tests::test_divide_by_0 ... ok
[INFO] [stdout] test tests::test_result_with_list ... ok
[INFO] [stdout] test tests::test_success ... ok
[INFO] [stdout] test tests::test_not_divisible ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/18_iterators/iterators3.rs (/opt/rustwide/target/debug/deps/iterators3_sol-0de24268cdca41b9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_divide_0_by_something ... ok
[INFO] [stdout] test tests::test_integer_overflow ... ok
[INFO] [stdout] test tests::test_list_of_results ... ok
[INFO] [stdout] test tests::test_divide_by_0 ... ok
[INFO] [stdout] test tests::test_not_divisible ... ok
[INFO] [stdout] test tests::test_result_with_list ... ok
[INFO] [stdout] test tests::test_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/18_iterators/iterators4.rs (/opt/rustwide/target/debug/deps/iterators4-9327f8fa56b13138)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::factorial_of_0 ... ok
[INFO] [stdout] test tests::factorial_of_1 ... ok
[INFO] [stdout] test tests::factorial_of_2 ... ok
[INFO] [stdout] test tests::factorial_of_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/18_iterators/iterators4.rs (/opt/rustwide/target/debug/deps/iterators4_sol-98eb74ea028fdcf3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::factorial_of_0 ... ok
[INFO] [stdout] test tests::factorial_of_1 ... ok
[INFO] [stdout] test tests::factorial_of_2 ... ok
[INFO] [stdout] test tests::factorial_of_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/18_iterators/iterators5.rs (/opt/rustwide/target/debug/deps/iterators5-cf8121c1493a456b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::count_collection_complete ... ok
[INFO] [stdout] test tests::count_collection_equals_for ... ok
[INFO] [stdout] test tests::count_collection_some ... ok
[INFO] [stdout] test tests::count_collection_none ... ok
[INFO] [stdout] test tests::count_complete ... ok
[INFO] [stdout] test tests::count_complete_equals_for ... ok
[INFO] [stdout] test tests::count_none ... ok
[INFO] [stdout] test tests::count_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/18_iterators/iterators5.rs (/opt/rustwide/target/debug/deps/iterators5_sol-9bfdcd35ef752b91)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::count_collection_complete ... ok
[INFO] [stdout] test tests::count_collection_equals_for ... ok
[INFO] [stdout] test tests::count_collection_some ... ok
[INFO] [stdout] test tests::count_collection_none ... ok
[INFO] [stdout] test tests::count_complete ... ok
[INFO] [stdout] test tests::count_complete_equals_for ... ok
[INFO] [stdout] test tests::count_none ... ok
[INFO] [stdout] test tests::count_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/16_lifetimes/lifetimes1.rs (/opt/rustwide/target/debug/deps/lifetimes1-e9f35db27ccff112)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_longest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/16_lifetimes/lifetimes1.rs (/opt/rustwide/target/debug/deps/lifetimes1_sol-897ede6e0c25b0ce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_longest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/16_lifetimes/lifetimes2.rs (/opt/rustwide/target/debug/deps/lifetimes2-61a47d9eef65abd4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/16_lifetimes/lifetimes2.rs (/opt/rustwide/target/debug/deps/lifetimes2_sol-b1997fb7e2a28cf9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/16_lifetimes/lifetimes3.rs (/opt/rustwide/target/debug/deps/lifetimes3-7c908b96d548bca7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/16_lifetimes/lifetimes3.rs (/opt/rustwide/target/debug/deps/lifetimes3_sol-d91e648467e5819e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/21_macros/macros1.rs (/opt/rustwide/target/debug/deps/macros1-691052cf41e8e71f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/21_macros/macros1.rs (/opt/rustwide/target/debug/deps/macros1_sol-98315d26c34de237)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/21_macros/macros2.rs (/opt/rustwide/target/debug/deps/macros2-f06c3f12b9064dce)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/21_macros/macros2.rs (/opt/rustwide/target/debug/deps/macros2_sol-3b5330869b077642)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/21_macros/macros3.rs (/opt/rustwide/target/debug/deps/macros3-2c8dba3595aab705)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/21_macros/macros3.rs (/opt/rustwide/target/debug/deps/macros3_sol-3f106f694d7a64e7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/21_macros/macros4.rs (/opt/rustwide/target/debug/deps/macros4-4bc46513746080fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/21_macros/macros4.rs (/opt/rustwide/target/debug/deps/macros4_sol-f33681582e8d427a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/10_modules/modules1.rs (/opt/rustwide/target/debug/deps/modules1-63660be7e77e8646)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/10_modules/modules1.rs (/opt/rustwide/target/debug/deps/modules1_sol-7defae1d23d6ad89)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/10_modules/modules2.rs (/opt/rustwide/target/debug/deps/modules2-772bdeb3d545e9c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/10_modules/modules2.rs (/opt/rustwide/target/debug/deps/modules2_sol-6dc5ae8d227a4295)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/10_modules/modules3.rs (/opt/rustwide/target/debug/deps/modules3-59883ebcbb5cde96)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/10_modules/modules3.rs (/opt/rustwide/target/debug/deps/modules3_sol-f7dceec8216f0229)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/06_move_semantics/move_semantics1.rs (/opt/rustwide/target/debug/deps/move_semantics1-d0417ed95c3c4d63)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/06_move_semantics/move_semantics1.rs (/opt/rustwide/target/debug/deps/move_semantics1_sol-948da3e8ed99319e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/06_move_semantics/move_semantics2.rs (/opt/rustwide/target/debug/deps/move_semantics2-258ab6a320add1b9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/06_move_semantics/move_semantics2.rs (/opt/rustwide/target/debug/deps/move_semantics2_sol-9c25f5f8848a02ba)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/06_move_semantics/move_semantics3.rs (/opt/rustwide/target/debug/deps/move_semantics3-badc086293bff4dd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/06_move_semantics/move_semantics3.rs (/opt/rustwide/target/debug/deps/move_semantics3_sol-e54bb9ba1a595755)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/06_move_semantics/move_semantics4.rs (/opt/rustwide/target/debug/deps/move_semantics4-78323d94fde6352e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/06_move_semantics/move_semantics4.rs (/opt/rustwide/target/debug/deps/move_semantics4_sol-d7ab1f3a128cab56)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::move_semantics4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/06_move_semantics/move_semantics5.rs (/opt/rustwide/target/debug/deps/move_semantics5-f7c7cd499757fbdc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/06_move_semantics/move_semantics5.rs (/opt/rustwide/target/debug/deps/move_semantics5_sol-3a8b4c561fef413c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/12_options/options1.rs (/opt/rustwide/target/debug/deps/options1-9e739b5c31564365)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/12_options/options1.rs (/opt/rustwide/target/debug/deps/options1_sol-64d63cbd85576ea8)
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests exercises/12_options/options2.rs (/opt/rustwide/target/debug/deps/options2-f34690973a953a8c)
[INFO] [stdout] test tests::check_icecream ... ok
[INFO] [stdout] test tests::raw_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::check_icecream ... ok
[INFO] [stdout] test tests::raw_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::layered_option ... ok
[INFO] [stdout] test tests::simple_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/12_options/options2.rs (/opt/rustwide/target/debug/deps/options2_sol-711b8948987bd568)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::layered_option ... ok
[INFO] [stdout] test tests::simple_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/12_options/options3.rs (/opt/rustwide/target/debug/deps/options3-336590fb501ac2db)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/12_options/options3.rs (/opt/rustwide/target/debug/deps/options3_sol-ed4aa2ba6be20f70)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/04_primitive_types/primitive_types1.rs (/opt/rustwide/target/debug/deps/primitive_types1-0f479d25bf2b56b2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/04_primitive_types/primitive_types1.rs (/opt/rustwide/target/debug/deps/primitive_types1_sol-9704524ccef40105)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/04_primitive_types/primitive_types2.rs (/opt/rustwide/target/debug/deps/primitive_types2-79c94ecefa6cc859)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/04_primitive_types/primitive_types2.rs (/opt/rustwide/target/debug/deps/primitive_types2_sol-8365c705d54447b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/04_primitive_types/primitive_types3.rs (/opt/rustwide/target/debug/deps/primitive_types3-8351167572091df6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/04_primitive_types/primitive_types3.rs (/opt/rustwide/target/debug/deps/primitive_types3_sol-ddaf4ab5a71b942d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/04_primitive_types/primitive_types4.rs (/opt/rustwide/target/debug/deps/primitive_types4-ab94472a75317c34)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::slice_out_of_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/04_primitive_types/primitive_types4.rs (/opt/rustwide/target/debug/deps/primitive_types4_sol-dfd88c4f94bf68f4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::slice_out_of_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/04_primitive_types/primitive_types5.rs (/opt/rustwide/target/debug/deps/primitive_types5-353a5f97cec76f43)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/04_primitive_types/primitive_types5.rs (/opt/rustwide/target/debug/deps/primitive_types5_sol-428f1c5496e1a28a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/04_primitive_types/primitive_types6.rs (/opt/rustwide/target/debug/deps/primitive_types6-616d10b9a7537837)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::indexing_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/04_primitive_types/primitive_types6.rs (/opt/rustwide/target/debug/deps/primitive_types6_sol-a4364e1996644e1e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::indexing_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/quizzes/quiz1.rs (/opt/rustwide/target/debug/deps/quiz1-450ba41d06a1cf54)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::verify_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/quizzes/quiz1.rs (/opt/rustwide/target/debug/deps/quiz1_sol-7161216574329087)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::verify_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/quizzes/quiz2.rs (/opt/rustwide/target/debug/deps/quiz2-7bcf02e35ae22e81)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/quizzes/quiz2.rs (/opt/rustwide/target/debug/deps/quiz2_sol-f56b4ad9df281a22)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/quizzes/quiz3.rs (/opt/rustwide/target/debug/deps/quiz3-711150762b225596)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::generate_alphabetic_report_card ... ok
[INFO] [stdout] test tests::generate_numeric_report_card ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/quizzes/quiz3.rs (/opt/rustwide/target/debug/deps/quiz3_sol-359a034cfd12dcea)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::generate_alphabetic_report_card ... ok
[INFO] [stdout] test tests::generate_numeric_report_card ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/19_smart_pointers/rc1.rs (/opt/rustwide/target/debug/deps/rc1-2e9a909873f0edac)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::rc1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/19_smart_pointers/rc1.rs (/opt/rustwide/target/debug/deps/rc1_sol-c007886aaa42d3ff)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::rc1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/09_strings/strings1.rs (/opt/rustwide/target/debug/deps/strings1-7caf3299761ec17c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/09_strings/strings1.rs (/opt/rustwide/target/debug/deps/strings1_sol-acf27067e6c1b02c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/09_strings/strings2.rs (/opt/rustwide/target/debug/deps/strings2-7b59306abd15a0f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/09_strings/strings2.rs (/opt/rustwide/target/debug/deps/strings2_sol-5ce02117a95c94cb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/09_strings/strings3.rs (/opt/rustwide/target/debug/deps/strings3-0db4bafd14e866be)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::compose_a_string ... ok
[INFO] [stdout] test tests::replace_a_string ... ok
[INFO] [stdout] test tests::trim_a_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/09_strings/strings3.rs (/opt/rustwide/target/debug/deps/strings3_sol-fd2bcb44e36e18c7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::compose_a_string ... ok
[INFO] [stdout] test tests::replace_a_string ... ok
[INFO] [stdout] test tests::trim_a_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/09_strings/strings4.rs (/opt/rustwide/target/debug/deps/strings4-ff39327f888532bf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/09_strings/strings4.rs (/opt/rustwide/target/debug/deps/strings4_sol-e78ef7c722354fab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/07_structs/structs1.rs (/opt/rustwide/target/debug/deps/structs1-f3d54cae8b5ecda2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::regular_structs ... ok
[INFO] [stdout] test tests::tuple_structs ... ok
[INFO] [stdout] test tests::unit_structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/07_structs/structs1.rs (/opt/rustwide/target/debug/deps/structs1_sol-b40f1d97061377b5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::regular_structs ... ok
[INFO] [stdout] test tests::tuple_structs ... ok
[INFO] [stdout] test tests::unit_structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/07_structs/structs2.rs (/opt/rustwide/target/debug/deps/structs2-d2caabca6dd6768b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::your_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/07_structs/structs2.rs (/opt/rustwide/target/debug/deps/structs2_sol-242a98b4ae74c676)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::your_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/07_structs/structs3.rs (/opt/rustwide/target/debug/deps/structs3-cd603b9b6c738990)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::calculate_transport_fees ... ok
[INFO] [stdout] test tests::create_international_package ... ok
[INFO] [stdout] test tests::create_local_package ... ok
[INFO] [stdout] test tests::fail_creating_weightless_package - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/07_structs/structs3.rs (/opt/rustwide/target/debug/deps/structs3_sol-cb0c198299a6d3a5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::calculate_transport_fees ... ok
[INFO] [stdout] test tests::create_international_package ... ok
[INFO] [stdout] test tests::create_local_package ... ok
[INFO] [stdout] test tests::fail_creating_weightless_package - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/17_tests/tests1.rs (/opt/rustwide/target/debug/deps/tests1-4c39800603b8c5ea)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::you_can_assert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/17_tests/tests1.rs (/opt/rustwide/target/debug/deps/tests1_sol-c502ae394e192e6a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::you_can_assert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/17_tests/tests2.rs (/opt/rustwide/target/debug/deps/tests2-219fb2d0d1e8e415)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::you_can_assert_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/17_tests/tests2.rs (/opt/rustwide/target/debug/deps/tests2_sol-6630a238a04abdc0)
[INFO] [stderr]      Running unittests exercises/17_tests/tests3.rs (/opt/rustwide/target/debug/deps/tests3-ba39e0d389431817)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::you_can_assert_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::correct_width_and_height ... ok
[INFO] [stdout] test tests::negative_height ... ok
[INFO] [stdout] test tests::negative_width ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/17_tests/tests3.rs (/opt/rustwide/target/debug/deps/tests3_sol-3cb1192e0e46b262)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::correct_width_and_height ... ok
[INFO] [stdout] test tests::negative_height - should panic ... ok
[INFO] [stdout] test tests::negative_width - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/20_threads/threads1.rs (/opt/rustwide/target/debug/deps/threads1-5113d9b669807861)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/20_threads/threads1.rs (/opt/rustwide/target/debug/deps/threads1_sol-2a8b37dfe71f01d5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/20_threads/threads2.rs (/opt/rustwide/target/debug/deps/threads2-4a6020167757ccfe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/20_threads/threads2.rs (/opt/rustwide/target/debug/deps/threads2_sol-dc9fbba653ee5854)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/20_threads/threads3.rs (/opt/rustwide/target/debug/deps/threads3-8ee44f9bb2b89949)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::threads3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/20_threads/threads3.rs (/opt/rustwide/target/debug/deps/threads3_sol-436b8aed1180d82d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::threads3 ... ok
[INFO] [stderr]      Running unittests exercises/15_traits/traits1.rs (/opt/rustwide/target/debug/deps/traits1-5c44da1c5ca4650c)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::is_bar_bar ... ok
[INFO] [stdout] test tests::is_foo_bar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/15_traits/traits1.rs (/opt/rustwide/target/debug/deps/traits1_sol-6ac64c7596dbd623)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::is_bar_bar ... ok
[INFO] [stdout] test tests::is_foo_bar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/15_traits/traits2.rs (/opt/rustwide/target/debug/deps/traits2-270b1cb28b1fb168)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::is_vec_pop_eq_bar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/15_traits/traits2.rs (/opt/rustwide/target/debug/deps/traits2_sol-a0e82e3cb6277ba5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::is_vec_pop_eq_bar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/15_traits/traits3.rs (/opt/rustwide/target/debug/deps/traits3-3a741d31f16e5a5c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::is_licensing_info_the_same ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/15_traits/traits3.rs (/opt/rustwide/target/debug/deps/traits3_sol-5a589df4b0b42ff5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::is_licensing_info_the_same ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/15_traits/traits4.rs (/opt/rustwide/target/debug/deps/traits4-5179f67e66ce2adb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::compare_license_information ... ok
[INFO] [stdout] test tests::compare_license_information_backwards ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests solutions/15_traits/traits4.rs (/opt/rustwide/target/debug/deps/traits4_sol-1e193b39bcf1acf7)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::compare_license_information ... ok
[INFO] [stdout] test tests::compare_license_information_backwards ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/15_traits/traits5.rs (/opt/rustwide/target/debug/deps/traits5-f8a5122b73fbfa45)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_some_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/15_traits/traits5.rs (/opt/rustwide/target/debug/deps/traits5_sol-bcf2802be60edcc4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_some_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/23_conversions/try_from_into.rs (/opt/rustwide/target/debug/deps/try_from_into-6b0c6903275a06fd)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_array_correct ... ok
[INFO] [stdout] test tests::test_array_out_of_range_negative ... ok
[INFO] [stdout] test tests::test_slice_correct ... ok
[INFO] [stdout] test tests::test_array_out_of_range_positive ... ok
[INFO] [stdout] test tests::test_slice_out_of_range_negative ... ok
[INFO] [stdout] test tests::test_slice_insufficient_length ... ok
[INFO] [stdout] test tests::test_slice_out_of_range_positive ... ok
[INFO] [stdout] test tests::test_array_sum ... ok
[INFO] [stdout] test tests::test_slice_sum ... ok
[INFO] [stdout] test tests::test_tuple_correct ... ok
[INFO] [stdout] test tests::test_tuple_out_of_range_negative ... ok
[INFO] [stdout] test tests::test_tuple_out_of_range_positive ... ok
[INFO] [stdout] test tests::test_tuple_sum ... ok
[INFO] [stdout] test tests::test_slice_excess_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/23_conversions/try_from_into.rs (/opt/rustwide/target/debug/deps/try_from_into_sol-7fec814c8d6ef107)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_array_out_of_range_negative ... ok
[INFO] [stdout] test tests::test_array_correct ... ok
[INFO] [stdout] test tests::test_array_sum ... ok
[INFO] [stdout] test tests::test_array_out_of_range_positive ... ok
[INFO] [stdout] test tests::test_slice_correct ... ok
[INFO] [stdout] test tests::test_slice_excess_length ... ok
[INFO] [stdout] test tests::test_slice_out_of_range_negative ... ok
[INFO] [stdout] test tests::test_slice_out_of_range_positive ... ok
[INFO] [stdout] test tests::test_slice_sum ... ok
[INFO] [stdout] test tests::test_tuple_correct ... ok
[INFO] [stdout] test tests::test_tuple_out_of_range_negative ... ok
[INFO] [stdout] test tests::test_tuple_out_of_range_positive ... ok
[INFO] [stdout] test tests::test_slice_insufficient_length ... ok
[INFO] [stdout] test tests::test_tuple_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/23_conversions/using_as.rs (/opt/rustwide/target/debug/deps/using_as-98db9e4144c9474c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::returns_proper_type_and_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/23_conversions/using_as.rs (/opt/rustwide/target/debug/deps/using_as_sol-12b915c4ce02c938)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::returns_proper_type_and_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/01_variables/variables1.rs (/opt/rustwide/target/debug/deps/variables1-43815734594c8e95)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/01_variables/variables1.rs (/opt/rustwide/target/debug/deps/variables1_sol-4d94cb57eb297bbc)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/01_variables/variables2.rs (/opt/rustwide/target/debug/deps/variables2-73594a0c2d55af27)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/01_variables/variables2.rs (/opt/rustwide/target/debug/deps/variables2_sol-6b7897a920612749)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/01_variables/variables3.rs (/opt/rustwide/target/debug/deps/variables3-91061ef669a9dd90)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/01_variables/variables3.rs (/opt/rustwide/target/debug/deps/variables3_sol-13019561dd5d104b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/01_variables/variables4.rs (/opt/rustwide/target/debug/deps/variables4-d376d38d074eb3d5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/01_variables/variables4.rs (/opt/rustwide/target/debug/deps/variables4_sol-c6944698ccd2c613)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/01_variables/variables5.rs (/opt/rustwide/target/debug/deps/variables5-0dd9117a803402e7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/01_variables/variables5.rs (/opt/rustwide/target/debug/deps/variables5_sol-8de9861c33a33529)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/01_variables/variables6.rs (/opt/rustwide/target/debug/deps/variables6-535dbeabb3b05f5f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/01_variables/variables6.rs (/opt/rustwide/target/debug/deps/variables6_sol-c4ac53298f5d5b4d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/05_vecs/vecs1.rs (/opt/rustwide/target/debug/deps/vecs1-a7aef738257bdeff)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_array_and_vec_similarity ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/05_vecs/vecs1.rs (/opt/rustwide/target/debug/deps/vecs1_sol-5aa84c5478d1432a)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_array_and_vec_similarity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests exercises/05_vecs/vecs2.rs (/opt/rustwide/target/debug/deps/vecs2-8c5e1b159e30981b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_vec_loop ... ok
[INFO] [stdout] test tests::test_vec_map_example ... ok
[INFO] [stdout] test tests::test_vec_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests solutions/05_vecs/vecs2.rs (/opt/rustwide/target/debug/deps/vecs2_sol-1f8547f3f3dd8f8c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_vec_map ... ok
[INFO] [stdout] test tests::test_vec_map_example ... ok
[INFO] [stdout] test tests::test_vec_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "238175f0cd42c712714f45a325ccc9fe55e70c87771f8ecc79477aaf3a464cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238175f0cd42c712714f45a325ccc9fe55e70c87771f8ecc79477aaf3a464cff", kill_on_drop: false }`
[INFO] [stdout] 238175f0cd42c712714f45a325ccc9fe55e70c87771f8ecc79477aaf3a464cff