[INFO] cloning repository https://github.com/loic-rouzaud/exercices_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loic-rouzaud/exercices_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floic-rouzaud%2Fexercices_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floic-rouzaud%2Fexercices_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51cbb47ea92dad8bd7d8c3653d1429cfd9e1da1
[INFO] testing loic-rouzaud/exercices_rust against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floic-rouzaud%2Fexercices_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/loic-rouzaud/exercices_rust
[INFO] finished tweaking git repo https://github.com/loic-rouzaud/exercices_rust
[INFO] tweaked toml for git repo https://github.com/loic-rouzaud/exercices_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/loic-rouzaud/exercices_rust on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/loic-rouzaud/exercices_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing loic-rouzaud/exercices_rust against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floic-rouzaud%2Fexercices_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/loic-rouzaud/exercices_rust
[INFO] finished tweaking git repo https://github.com/loic-rouzaud/exercices_rust
[INFO] tweaked toml for git repo https://github.com/loic-rouzaud/exercices_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/loic-rouzaud/exercices_rust on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/loic-rouzaud/exercices_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23b285f6222abd31ae228e727a6d8015a597902cfcb74a12c25287f52e5225ff
[INFO] running `Command { std: "docker" "start" "-a" "23b285f6222abd31ae228e727a6d8015a597902cfcb74a12c25287f52e5225ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b285f6222abd31ae228e727a6d8015a597902cfcb74a12c25287f52e5225ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b285f6222abd31ae228e727a6d8015a597902cfcb74a12c25287f52e5225ff", kill_on_drop: false }`
[INFO] [stdout] 23b285f6222abd31ae228e727a6d8015a597902cfcb74a12c25287f52e5225ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16f40ce8d8c526342ac12550159557204999345d69fdf99dfafe5fb1fb9862d6
[INFO] running `Command { std: "docker" "start" "-a" "16f40ce8d8c526342ac12550159557204999345d69fdf99dfafe5fb1fb9862d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling exo-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]  --> src/exercices/day1/_03_functions/function1.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | todo()!;
[INFO] [stdout]   | ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]   |
[INFO] [stdout] 2 | todo!()!;
[INFO] [stdout]   |     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]  --> src/exercices/day1/_03_functions/function2.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | todo()!;
[INFO] [stdout]   | ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]   |
[INFO] [stdout] 2 | todo!()!;
[INFO] [stdout]   |     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]  --> src/exercices/day1/_03_functions/function3.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | todo()!;
[INFO] [stdout]   | ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]   |
[INFO] [stdout] 2 | todo!()!;
[INFO] [stdout]   |     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/exercices/day3/_11_traits/trait1.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     todo!()
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 21 -     todo!()
[INFO] [stdout] 21 +     todo!{}
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 21 |     todo!();
[INFO] [stdout]    |            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macros that expand to items must be delimited with braces or followed by a semicolon
[INFO] [stdout]   --> src/exercices/day3/_11_traits/trait1.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     todo!()
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: change the delimiters to curly braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     todo!()
[INFO] [stdout] 28 +     todo!{}
[INFO] [stdout]    |
[INFO] [stdout] help: add a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 28 |     todo!();
[INFO] [stdout]    |            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `(`
[INFO] [stdout]  --> src/exercices/day3/_11_traits/trait1.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     todo!();
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected one of `!` or `::`
[INFO] [stdout]   |     in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `(`
[INFO] [stdout]   --> src/exercices/day3/_11_traits/trait1.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     todo!()
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     expected one of `!` or `::`
[INFO] [stdout]    |     in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `(`
[INFO] [stdout]   --> src/exercices/day3/_11_traits/trait1.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     todo!()
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     expected one of `!` or `::`
[INFO] [stdout]    |     in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/exercices/day3/_13_life_cycle/life_cycle1.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_string(s1: &str, s2: &str) -> &str {
[INFO] [stdout]   |                       ----      ----     ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `s1` or `s2`
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_string<'a>(s1: &'a str, s2: &'a str) -> &'a str {
[INFO] [stdout]   |                  ++++      ++           ++          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/exercices/day3/_13_life_cycle/life_cycle2.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     part: &str,
[INFO] [stdout]   |           ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 ~ struct TextImportant<'a> {
[INFO] [stdout] 4 ~     part: &'a str,
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Pair` in this scope
[INFO] [stdout]  --> src/exercices/day4/_15_generics_types/generic_type2.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl<T> Pair<T> {
[INFO] [stdout]   |         ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] note: struct `crate::solutions::day4::_15_generics_types::generic_type2::Pair` exists but is inaccessible
[INFO] [stdout]  --> src/solutions/day4/_15_generics_types/generic_type2.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Pair<T> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Pair`
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type2.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut numbers = Pair::new(5, 10);
[INFO] [stdout]    |                       ^^^^ use of undeclared type `Pair`
[INFO] [stdout]    |
[INFO] [stdout] note: struct `crate::solutions::day4::_15_generics_types::generic_type2::Pair` exists but is inaccessible
[INFO] [stdout]   --> src/solutions/day4/_15_generics_types/generic_type2.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | struct Pair<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Pair`
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type2.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let words = Pair::new(String::from("Hello"), String::from("Rust"));
[INFO] [stdout]    |                 ^^^^ use of undeclared type `Pair`
[INFO] [stdout]    |
[INFO] [stdout] note: struct `crate::solutions::day4::_15_generics_types::generic_type2::Pair` exists but is inaccessible
[INFO] [stdout]   --> src/solutions/day4/_15_generics_types/generic_type2.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | struct Pair<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/exercices/day3/_11_traits/trait2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day1/_04_boucles/boucle2.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_until(limit: i32) -> i32 {
[INFO] [stdout]   |    ---------                ^^^ expected `i32`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout] help: consider returning the local binding `limit`
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_until(limit: i32) -> i32 {
[INFO] [stdout] 2 ~     limit
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day1/_04_boucles/boucle2.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn factorial(n: u32) -> u64 {
[INFO] [stdout]    |    ---------            ^^^ expected `u64`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day1/_04_boucles/boucle3.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_prime(n: u32) -> bool {
[INFO] [stdout]   |    --------            ^^^^ expected `bool`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day1/_05_vectors/vector1.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sum_vector(numbers: &Vec<i32>) -> i32 {
[INFO] [stdout]   |        ----------                        ^^^ expected `i32`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day2/_06_iteration/loop1.rs:14:50
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn sum_even_numbers(start: i32, end: i32) -> i32 {
[INFO] [stdout]    |        ----------------                          ^^^ expected `i32`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout] note: consider returning one of these bindings
[INFO] [stdout]   --> src/exercices/day2/_06_iteration/loop1.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn sum_even_numbers(start: i32, end: i32) -> i32 {
[INFO] [stdout]    |                         ^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day2/_06_iteration/loop1.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn sum_even_numbers_cpy(numbers: &[i32]) -> i32 {
[INFO] [stdout]    |        --------------------                     ^^^ expected `i32`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_06_iteration/loop2.rs:1:66
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn process_strings(strings: Vec<&str>, min_lenght: usize) -> usize {
[INFO] [stdout]   |        ---------------                                           ^^^^^ expected `usize`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout] help: consider returning the local binding `min_lenght`
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn process_strings(strings: Vec<&str>, min_lenght: usize) -> usize {
[INFO] [stdout] 2 ~     min_lenght
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_06_iteration/loop3.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square_roots_of_even(numbers: Vec<i32>) -> Vec<f64> {
[INFO] [stdout]   |        --------------------                       ^^^^^^^^ expected `Vec<f64>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<f64>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_06_iteration/loop4.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn unique_words(sentences: Vec<&str>) -> Vec<String> {
[INFO] [stdout]   |        ------------                          ^^^^^^^^^^^ expected `Vec<String>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<String>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_06_iteration/loop5.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn to_uppercase(strings: &[String]) -> Vec<String> {
[INFO] [stdout]   |        ------------                        ^^^^^^^^^^^ expected `Vec<String>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<String>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_07_pattern_matching/pattern_matching1.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn classify_number(n: i32) -> String {
[INFO] [stdout]   |        ---------------            ^^^^^^ expected `String`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_07_pattern_matching/pattern_matching2.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_action(light: TrafficLight) -> String {
[INFO] [stdout]   |        ----------                         ^^^^^^ expected `String`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_07_pattern_matching/pattern_matching3.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn get_activity(weather: &Weather) -> String {
[INFO] [stdout]   |        ------------                       ^^^^^^ expected `String`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_08_strings/string1.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn trim_me(input: &str) -> &str {
[INFO] [stdout]   |    -------                 ^^^^ expected `&str`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout] help: consider returning the local binding `input`
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn trim_me(input: &str) -> &str {
[INFO] [stdout] 2 ~     input
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_08_strings/string1.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn compose_me(input: &str) -> String {
[INFO] [stdout]   |    ----------                 ^^^^^^ expected `String`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_08_strings/string1.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn replace_me(input: &str) -> String {
[INFO] [stdout]   |    ----------                 ^^^^^^ expected `String`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let result1 = placeholder("12345");
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let result2 = placeholder("hello".to_string());
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let result3 = placeholder(String::from("67890"));
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let result4 = placeholder("rust is great!".to_owned());
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let result5 = placeholder("42".into());
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let result6 = placeholder(format!("Number: {}", 7));
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let result7 = placeholder(&String::from("Hello World")[0..5]);
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let result8 = placeholder("  abc123  ".trim());
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let result9 = placeholder("Programming is fun".replace("fun", "awesome"));
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `placeholder` in this scope
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string2.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let result10 = placeholder("TEST".to_lowercase());
[INFO] [stdout]    |                    ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_08_strings/string3.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn to_uppercase(input: &str) -> String {
[INFO] [stdout]   |        ------------                 ^^^^^^ expected `String`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string3.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn first_five(input: &str) -> String {
[INFO] [stdout]    |        ----------                 ^^^^^^ expected `String`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day2/_08_strings/string3.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn concatenate(s1: &str, s2: &str) -> String {
[INFO] [stdout]    |        -----------                        ^^^^^^ expected `String`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_09_hashmaps/hashmap1.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn count_chars(text: &str) -> HashMap<char, usize> {
[INFO] [stdout]   |        -----------                ^^^^^^^^^^^^^^^^^^^^ expected `HashMap<char, usize>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `HashMap<char, usize>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day2/_09_hashmaps/hashmap2.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn word_frequency(text: &str) -> HashMap<String, usize> {
[INFO] [stdout]   |        --------------                ^^^^^^^^^^^^^^^^^^^^^^ expected `HashMap<String, usize>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `HashMap<String, usize>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day3/_14_error_handling/option1.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find_first<T, F>(items: &[T], predicate: F) -> Option<&T>
[INFO] [stdout]   |    ----------                                     ^^^^^^^^^^ expected `Option<&T>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Option<&T>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day3/_14_error_handling/option2.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_element<T: Clone>(vec: &[T], index: usize) -> Option<T> {
[INFO] [stdout]   |    -----------                                       ^^^^^^^^^ expected `Option<T>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Option<T>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day3/_14_error_handling/result1.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn parse_age(input: &str) -> Result<u8, ParseError> {
[INFO] [stdout]   |    ---------                 ^^^^^^^^^^^^^^^^^^^^^^ expected `Result<u8, ParseError>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Result<u8, exercices::day3::_14_error_handling::result1::ParseError>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day3/_14_error_handling/result2.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn parse_number(input: &str) -> Result<i32, String> {
[INFO] [stdout]   |        ------------                 ^^^^^^^^^^^^^^^^^^^ expected `Result<i32, String>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Result<i32, String>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day3/_14_error_handling/result2.rs:7:39
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn sum_strings(s1: &str, s2: &str) -> Result<i32, String> {
[INFO] [stdout]   |    -----------                        ^^^^^^^^^^^^^^^^^^^ expected `Result<i32, String>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Result<i32, String>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day3/_14_error_handling/result3.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn safe_division(a: f64, b: f64) -> Result<f64, String> {
[INFO] [stdout]   |    -------------                    ^^^^^^^^^^^^^^^^^^^ expected `Result<f64, String>`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Result<f64, String>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/user_option.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(username: String) -> Self {
[INFO] [stdout]    |            ---                      ^^^^ expected `User`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/user_option.rs:17:51
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn with_email(mut self, email: String) -> Self {
[INFO] [stdout]    |            ----------                             ^^^^ expected `User`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout] help: consider returning the local binding `self`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn with_email(mut self, email: String) -> Self {
[INFO] [stdout] 18 ~         self
[INFO] [stdout] 19 ~     // TODO() : Implémenter la méthode with_email qui définit l'email de l'utilisateur
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/user_option.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn with_age(mut self, age: u8) -> Self {
[INFO] [stdout]    |            --------                       ^^^^ expected `User`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout] help: consider returning the local binding `self`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn with_age(mut self, age: u8) -> Self {
[INFO] [stdout] 23 ~         self
[INFO] [stdout] 24 ~     // TODO() : Implémenter la méthode with_age qui définit l'âge de l'utilisateur
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/user_option.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get_contact_info(&self) -> String {
[INFO] [stdout]    |            ----------------           ^^^^^^ expected `String`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/user_option.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn is_adult(&self) -> Option<bool> {
[INFO] [stdout]    |            --------           ^^^^^^^^^^^^ expected `Option<bool>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<bool>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 2 arguments were supplied
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type1.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     swap(&mut a, &mut b);
[INFO] [stdout]    |     ^^^^ ------  ------ unexpected argument #2 of type `&mut {integer}`
[INFO] [stdout]    |          |
[INFO] [stdout]    |          unexpected argument #1 of type `&mut {integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type1.rs:5:4
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn swap<T>(/* complétez les paramètres */) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]    |
[INFO] [stdout] 13 -     swap(&mut a, &mut b);
[INFO] [stdout] 13 +     swap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 2 arguments were supplied
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type1.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     swap(&mut s1, &mut s2);
[INFO] [stdout]    |     ^^^^ -------  ------- unexpected argument #2 of type `&mut String`
[INFO] [stdout]    |          |
[INFO] [stdout]    |          unexpected argument #1 of type `&mut String`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type1.rs:5:4
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn swap<T>(/* complétez les paramètres */) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]    |
[INFO] [stdout] 19 -     swap(&mut s1, &mut s2);
[INFO] [stdout] 19 +     swap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 2 arguments were supplied
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type1.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     swap(&mut flag1, &mut flag2);
[INFO] [stdout]    |     ^^^^ ----------  ---------- unexpected argument #2 of type `&mut bool`
[INFO] [stdout]    |          |
[INFO] [stdout]    |          unexpected argument #1 of type `&mut bool`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type1.rs:5:4
[INFO] [stdout]    |
[INFO] [stdout]  5 | fn swap<T>(/* complétez les paramètres */) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] help: remove the extra arguments
[INFO] [stdout]    |
[INFO] [stdout] 25 -     swap(&mut flag1, &mut flag2);
[INFO] [stdout] 25 +     swap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_15_generics_types/generic_type2.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn into_tuple(self) -> (T, T) {
[INFO] [stdout]    |        ----------          ^^^^^^ expected `(T, T)`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:  expected tuple `(T, T)`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_16_fn_pointers/event_manager.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ---      ^^^^ expected `EventManager`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_16_fn_pointers/event_manager.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn process_message(&self, message: String) -> Vec<String> {
[INFO] [stdout]    |            ---------------                            ^^^^^^^^^^^ expected `Vec<String>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_16_fn_pointers/event_manager.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn shutdown(self) -> bool {
[INFO] [stdout]    |            --------          ^^^^ expected `bool`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/cons_list.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cons<T>(x: T, list: List<T>) -> List<T> {
[INFO] [stdout]    |    ----                            ^^^^^^^ expected `List<T>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `exercices::day4::_17_box_pointers::cons_list::List<T>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `list`
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn cons<T>(x: T, list: List<T>) -> List<T> {
[INFO] [stdout] 14 ~     list
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/cons_list.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn create_list<T>(elements: Vec<T>) -> List<T> {
[INFO] [stdout]    |        -----------                         ^^^^^^^ expected `List<T>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `exercices::day4::_17_box_pointers::cons_list::List<T>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/cons_list.rs:23:57
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn display_cons_list<T: Display>(list: &List<T>) -> String {
[INFO] [stdout]    |        -----------------                                ^^^^^^ expected `String`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/cons_list.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn sum_list(list: &List<i32>) -> i32 {
[INFO] [stdout]    |        --------                      ^^^ expected `i32`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day5/_18_mutex_pointers/mutex.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn create_counter() -> Arc<Mutex<i32>> {
[INFO] [stdout]   |        --------------      ^^^^^^^^^^^^^^^ expected `Arc<Mutex<i32>>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Arc<std::sync::Mutex<i32>>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day5/_18_mutex_pointers/mutex.rs:9:72
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn increment_counter(counter: Arc<Mutex<i32>>, increments: i32) -> thread::JoinHandle<()> {
[INFO] [stdout]   |        -----------------                                               ^^^^^^^^^^^^^^^^^^^^^^ expected `JoinHandle<()>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `JoinHandle<()>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day5/_19_rc_pointers/rc_shared_data.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn create_shared_resource() -> Rc<Vec<i32>> {
[INFO] [stdout]   |        ----------------------      ^^^^^^^^^^^^ expected `Rc<Vec<i32>>`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Rc<Vec<i32>>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day5/_19_rc_pointers/rc_shared_data.rs:8:49
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn add_consumer(resource: &Rc<Vec<i32>>) -> usize {
[INFO] [stdout]   |        ------------                             ^^^^^ expected `usize`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/exercices/day5/_19_rc_pointers/rc_smart_pointer.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn create_shared_data() -> (Rc<String>, Rc<String>, Rc<String>) {
[INFO] [stdout]   |        ------------------      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(Rc<String>, Rc<String>, Rc<String>)`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:  expected tuple `(Rc<String>, Rc<String>, Rc<String>)`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day5/_20_refcell_pointer/refcell.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ---      ^^^^ expected `Logger`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day5/_20_refcell_pointer/refcell.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get_logs(&self) -> Vec<String> {
[INFO] [stdout]    |            --------           ^^^^^^^^^^^ expected `Vec<String>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/exercices/day5/_20_refcell_pointer/refcell.rs:31:98
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn process_with_logging<T>(&self, data: T, processor: impl Fn(T, &dyn Fn(&str)) -> T) -> T {
[INFO] [stdout]    |            -------------------- -                                                                ^ expected type parameter `T`, found `()`
[INFO] [stdout]    |            |                    |
[INFO] [stdout]    |            |                    expected this type parameter
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                    found unit type `()`
[INFO] [stdout] help: consider returning the local binding `data`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn process_with_logging<T>(&self, data: T, processor: impl Fn(T, &dyn Fn(&str)) -> T) -> T {
[INFO] [stdout] 32 ~         data
[INFO] [stdout] 33 ~     // TODO() : Implémenter une fonction de traitement générique qui:
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/exercices/day1/_04_boucles/boucle1.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn print_numbers(n: i32) {
[INFO] [stdout]   |                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/exercices/day1/_05_vectors/vector1.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn double_vector(numbers: &mut Vec<i32>) {
[INFO] [stdout]   |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]  --> src/exercices/day1/_05_vectors/vector2.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn filter_even_numbers(numbers: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec1`
[INFO] [stdout]  --> src/exercices/day1/_05_vectors/vector2.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn merge_vectors(vec1: &Vec<i32>, vec2: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_vec1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec2`
[INFO] [stdout]  --> src/exercices/day1/_05_vectors/vector2.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn merge_vectors(vec1: &Vec<i32>, vec2: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_vec2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/exercices/day3/_11_traits/trait2.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn analyze_shape<T: Shape>(shape: &T) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `vec` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/exercices/day3/_12_ownership/ownership1.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     vec.push(88);
[INFO] [stdout]   |     ^^^ cannot borrow as mutable
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut vec = vec;
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `vec` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/exercices/day3/_12_ownership/ownership2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vec.push(88);
[INFO] [stdout]   |     ^^^ cannot borrow as mutable
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn add_to_vec(mut vec: Vec<i32>) {
[INFO] [stdout]   |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/option3.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn add_user(&mut self, user: User) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `username`
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/option3.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn find_email_by_username(&self, username: &str) -> Option<&String> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/exercices/day3/_14_error_handling/option3.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn is_premium(&self, id: u32) -> Option<bool> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/exercices/day4/_16_fn_pointers/event_manager.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn register_start_handler(&mut self, handler: impl FnMut() -> () + 'static) {
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/exercices/day4/_16_fn_pointers/event_manager.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn register_message_handler(&mut self, handler: impl Fn(String) -> String + 'static) {
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> src/exercices/day4/_16_fn_pointers/event_manager.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn register_shutdown_handler(&mut self, handler: impl FnOnce() -> bool + 'static) {
[INFO] [stdout]    |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/exercices/day4/_16_fn_pointers/fnmut.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn apply_operations<F>(data: &mut Vec<i32>, mut operations: Vec<F>)
[INFO] [stdout]   |                                                 ----^^^^^^^^^^
[INFO] [stdout]   |                                                 |
[INFO] [stdout]   |                                                 help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/exercices/day4/_16_fn_pointers/fnmut.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn apply_operations<F>(data: &mut Vec<i32>, mut operations: Vec<F>)
[INFO] [stdout]   |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operations`
[INFO] [stdout]  --> src/exercices/day4/_16_fn_pointers/fnmut.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn apply_operations<F>(data: &mut Vec<i32>, mut operations: Vec<F>)
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/binary_tree.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn is_even(value: i32) -> bool {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/binary_tree.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visit`
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/binary_tree.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn traverse_left_side(&self, visit: &mut dyn FnMut(&T)) {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visit`
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/binary_tree.rs:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn traverse_right_side(&self, visit: &mut dyn FnMut(&T)) {
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/exercices/day4/_17_box_pointers/binary_tree.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn insert(&mut self, value: i32) {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/exercices/day5/_20_refcell_pointer/refcell.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn log(&self, message: &str) {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0106, E0308, E0425, E0433, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exo-rust` (bin "exercises") due to 76 previous errors; 22 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "16f40ce8d8c526342ac12550159557204999345d69fdf99dfafe5fb1fb9862d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f40ce8d8c526342ac12550159557204999345d69fdf99dfafe5fb1fb9862d6", kill_on_drop: false }`
[INFO] [stdout] 16f40ce8d8c526342ac12550159557204999345d69fdf99dfafe5fb1fb9862d6