[INFO] cloning repository https://github.com/ZamZeyy/Euler_Project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZamZeyy/Euler_Project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZamZeyy%2FEuler_Project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZamZeyy%2FEuler_Project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaba6304eb28a838cb56c550887dcad66d51ea40
[INFO] linting ZamZeyy/Euler_Project against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZamZeyy%2FEuler_Project" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ZamZeyy/Euler_Project
[INFO] finished tweaking git repo https://github.com/ZamZeyy/Euler_Project
[INFO] tweaked toml for git repo https://github.com/ZamZeyy/Euler_Project written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ZamZeyy/Euler_Project on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ZamZeyy/Euler_Project 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f6530164bba832d8c68366c49ba632c37477ccf52efa4ac7ead3fc1553c6871
[INFO] running `Command { std: "docker" "start" "-a" "6f6530164bba832d8c68366c49ba632c37477ccf52efa4ac7ead3fc1553c6871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f6530164bba832d8c68366c49ba632c37477ccf52efa4ac7ead3fc1553c6871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6530164bba832d8c68366c49ba632c37477ccf52efa4ac7ead3fc1553c6871", kill_on_drop: false }`
[INFO] [stdout] 6f6530164bba832d8c68366c49ba632c37477ccf52efa4ac7ead3fc1553c6871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df8d3e548da495d591b519f72208bdee5a8c8419ffb04e95e58b7257ba6e18be
[INFO] running `Command { std: "docker" "start" "-a" "df8d3e548da495d591b519f72208bdee5a8c8419ffb04e95e58b7257ba6e18be", kill_on_drop: false }`
[INFO] [stderr]     Checking Euler_Project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if(number_to_analyse % n != 0){
[INFO] [stdout]    |           ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -         if(number_to_analyse % n != 0){
[INFO] [stdout] 13 +         if number_to_analyse % n != 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let product:i128= (lhs as i128 * rhs as i128); // avoid overflow of large multiplications
[INFO] [stdout]    |                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -             let product:i128= (lhs as i128 * rhs as i128); // avoid overflow of large multiplications
[INFO] [stdout] 23 +             let product:i128= lhs as i128 * rhs as i128; // avoid overflow of large multiplications
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if(lhs_split != reverse_rhs){
[INFO] [stdout]    |               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -             if(lhs_split != reverse_rhs){
[INFO] [stdout] 30 +             if lhs_split != reverse_rhs {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if (highest > product){
[INFO] [stdout]    |                    ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -                 if (highest > product){
[INFO] [stdout] 35 +                 if highest > product {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_five.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |         prime_powers.push(PrimePower { prime: prime, power: max_pow - 1 });
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: replace it with: `prime`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if(number_to_analyse % n != 0){
[INFO] [stdout]    |           ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -         if(number_to_analyse % n != 0){
[INFO] [stdout] 13 +         if number_to_analyse % n != 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let product:i128= (lhs as i128 * rhs as i128); // avoid overflow of large multiplications
[INFO] [stdout]    |                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -             let product:i128= (lhs as i128 * rhs as i128); // avoid overflow of large multiplications
[INFO] [stdout] 23 +             let product:i128= lhs as i128 * rhs as i128; // avoid overflow of large multiplications
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if(lhs_split != reverse_rhs){
[INFO] [stdout]    |               ^                        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -             if(lhs_split != reverse_rhs){
[INFO] [stdout] 30 +             if lhs_split != reverse_rhs {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if (highest > product){
[INFO] [stdout]    |                    ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -                 if (highest > product){
[INFO] [stdout] 35 +                 if highest > product {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_five.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |         prime_powers.push(PrimePower { prime: prime, power: max_pow - 1 });
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: replace it with: `prime`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_one.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve(sum_to: i32 ) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_two.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn solve(max_sequence_element: u32, mut n_minus_one: u32, mut n_minus_two:u32) -> Result<u32,&'static str> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_three.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve(number_to_analyse: u64)
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn is_prime(number: u64) -> bool
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn sieve_of_eratosthenes(number: u64) -> Vec<u64>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_four.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn solve(didgets: Option<NonZero<u32>>){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_five.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve(max_multiple:u64){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrimePower` is never constructed
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_five.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct PrimePower {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_one.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     return sum;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]   = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     return sum;
[INFO] [stdout] 7 +     sum
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |         if !(current_sequence_value % 2 == 0) { continue; }
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(current_sequence_value % 2 != 0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     return Ok(sum);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     return Ok(sum);
[INFO] [stdout] 25 +     Ok(sum)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_two.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if n_minus_one % 2 == 0 {sum+= n_minus_one;}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: replace with: `n_minus_one.is_multiple_of(2)`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]   = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if n_minus_two % 2 == 0 {sum+= n_minus_two;}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: replace with: `n_minus_two.is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         if !(current_sequence_value % 2 == 0) { continue; }
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `current_sequence_value.is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if(number_to_analyse % n != 0){
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `!number_to_analyse.is_multiple_of(n)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     if prime_vectors.len() == 0{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `prime_vectors.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     return true;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     return true;
[INFO] [stdout] 46 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if number % divisor == 0{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: replace with: `number.is_multiple_of(divisor)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     return primes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 65 -     return primes;
[INFO] [stdout] 65 +     primes
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:57:55
[INFO] [stdout]    |
[INFO] [stdout] 57 |             possible_numbers.retain_mut(|x: &mut u64| *x % divisor != 0);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^ help: replace with: `!(*x).is_multiple_of(divisor)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `u32`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let min_num = 10_i32.pow((didgets_value.get() - 1).into()); 
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(didgets_value.get() - 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_one.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve(sum_to: i32 ) -> i32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_two.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn solve(max_sequence_element: u32, mut n_minus_one: u32, mut n_minus_two:u32) -> Result<u32,&'static str> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_three.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve(number_to_analyse: u64)
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn is_prime(number: u64) -> bool
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn sieve_of_eratosthenes(number: u64) -> Vec<u64>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_four.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn solve(didgets: Option<NonZero<u32>>){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_five.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve(max_multiple:u64){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrimePower` is never constructed
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_five.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct PrimePower {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_one.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     return sum;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]   = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 7 -     return sum;
[INFO] [stdout] 7 +     sum
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |         if !(current_sequence_value % 2 == 0) { continue; }
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(current_sequence_value % 2 != 0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     return Ok(sum);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     return Ok(sum);
[INFO] [stdout] 25 +     Ok(sum)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]  --> src/problems/problems_one_to_ten/problem_two.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if n_minus_one % 2 == 0 {sum+= n_minus_one;}
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: replace with: `n_minus_one.is_multiple_of(2)`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]   = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if n_minus_two % 2 == 0 {sum+= n_minus_two;}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: replace with: `n_minus_two.is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_two.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         if !(current_sequence_value % 2 == 0) { continue; }
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `current_sequence_value.is_multiple_of(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if(number_to_analyse % n != 0){
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `!number_to_analyse.is_multiple_of(n)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     if prime_vectors.len() == 0{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `prime_vectors.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     return true;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     return true;
[INFO] [stdout] 46 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if number % divisor == 0{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: replace with: `number.is_multiple_of(divisor)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     return primes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 65 -     return primes;
[INFO] [stdout] 65 +     primes
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_three.rs:57:55
[INFO] [stdout]    |
[INFO] [stdout] 57 |             possible_numbers.retain_mut(|x: &mut u64| *x % divisor != 0);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^ help: replace with: `!(*x).is_multiple_of(divisor)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `u32`
[INFO] [stdout]   --> src/problems/problems_one_to_ten/problem_four.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let min_num = 10_i32.pow((didgets_value.get() - 1).into()); 
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(didgets_value.get() - 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "df8d3e548da495d591b519f72208bdee5a8c8419ffb04e95e58b7257ba6e18be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8d3e548da495d591b519f72208bdee5a8c8419ffb04e95e58b7257ba6e18be", kill_on_drop: false }`
[INFO] [stdout] df8d3e548da495d591b519f72208bdee5a8c8419ffb04e95e58b7257ba6e18be