[INFO] cloning repository https://github.com/dragan717080/CryptographyPrograms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dragan717080/CryptographyPrograms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragan717080%2FCryptographyPrograms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragan717080%2FCryptographyPrograms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a20f9a1641f02dd07184a58eeaabf8aa5d59080c
[INFO] checking dragan717080/CryptographyPrograms against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragan717080%2FCryptographyPrograms" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dragan717080/CryptographyPrograms on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dragan717080/CryptographyPrograms
[INFO] finished tweaking git repo https://github.com/dragan717080/CryptographyPrograms
[INFO] tweaked toml for git repo https://github.com/dragan717080/CryptographyPrograms written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dragan717080/CryptographyPrograms 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded serde_derive v1.0.185
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[INFO] [stdout] 8d40c4dc8b1cab220aadfaaacbaee39f2527d1be7fae8cbd2112c5fa2f038495
[INFO] running `Command { std: "docker" "start" "-a" "8d40c4dc8b1cab220aadfaaacbaee39f2527d1be7fae8cbd2112c5fa2f038495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d40c4dc8b1cab220aadfaaacbaee39f2527d1be7fae8cbd2112c5fa2f038495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d40c4dc8b1cab220aadfaaacbaee39f2527d1be7fae8cbd2112c5fa2f038495", kill_on_drop: false }`
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[INFO] [stderr]     Checking cryptography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/caesar.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/caesar.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crypto_utils::sieve_of_eratosthenes`
[INFO] [stdout]   --> src/euler_formulas.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crypto_utils::sieve_of_eratosthenes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/euler_formulas.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout]    |                ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout] 38 +         phi *= 1.0 - 1.0/(prime_factor as f64);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crypto_utils::sieve_of_eratosthenes`
[INFO] [stdout]   --> src/euler_formulas.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crypto_utils::sieve_of_eratosthenes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/euler_formulas.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout]    |                ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout] 38 +         phi *= 1.0 - 1.0/(prime_factor as f64);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> src/euler_formulas.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> src/euler_formulas.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_modular_inverse` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/euler_formulas.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut n = n_int as f64;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/euler_formulas.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut result = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_generator` is never used
[INFO] [stdout]   --> src/euler_formulas.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn prime_generator() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/primality_tests.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/euler_formulas.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut n = n_int as f64;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/euler_formulas.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut result = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_modular_inverse` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_generator` is never used
[INFO] [stdout]   --> src/euler_formulas.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn prime_generator() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/primality_tests.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.21s
[INFO] running `Command { std: "docker" "inspect" "56a366a8dfc4d3af6a2a75c6d32cc742f5d78a58c804a3bbe8e8cc6d1405266b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a366a8dfc4d3af6a2a75c6d32cc742f5d78a58c804a3bbe8e8cc6d1405266b", kill_on_drop: false }`
[INFO] [stdout] 56a366a8dfc4d3af6a2a75c6d32cc742f5d78a58c804a3bbe8e8cc6d1405266b
[INFO] checking dragan717080/CryptographyPrograms against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragan717080%2FCryptographyPrograms" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dragan717080/CryptographyPrograms on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dragan717080/CryptographyPrograms
[INFO] finished tweaking git repo https://github.com/dragan717080/CryptographyPrograms
[INFO] tweaked toml for git repo https://github.com/dragan717080/CryptographyPrograms written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dragan717080/CryptographyPrograms 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5386363c1e31313b0e800633900dd1707b760b0fb0a3c87cb83d5f2ef1dbb1
[INFO] running `Command { std: "docker" "start" "-a" "1a5386363c1e31313b0e800633900dd1707b760b0fb0a3c87cb83d5f2ef1dbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5386363c1e31313b0e800633900dd1707b760b0fb0a3c87cb83d5f2ef1dbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5386363c1e31313b0e800633900dd1707b760b0fb0a3c87cb83d5f2ef1dbb1", kill_on_drop: false }`
[INFO] [stdout] 1a5386363c1e31313b0e800633900dd1707b760b0fb0a3c87cb83d5f2ef1dbb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b22d3a579dbde70c9aac44db09f4fe7b1ad8667cafce15636e8ea3a577936ba9
[INFO] running `Command { std: "docker" "start" "-a" "b22d3a579dbde70c9aac44db09f4fe7b1ad8667cafce15636e8ea3a577936ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.56
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling num-bigint-dig v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.185
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking simple_asn1 v0.5.4
[INFO] [stderr]     Checking rsa v0.4.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.19
[INFO] [stderr]     Checking cryptography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crypto_utils::sieve_of_eratosthenes`
[INFO] [stdout]   --> src/euler_formulas.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crypto_utils::sieve_of_eratosthenes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/euler_formulas.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout]    |                ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout] 38 +         phi *= 1.0 - 1.0/(prime_factor as f64);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/caesar.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> src/euler_formulas.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/euler_formulas.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut n = n_int as f64;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/euler_formulas.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut result = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_generator` is never used
[INFO] [stdout]   --> src/euler_formulas.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn prime_generator() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/primality_tests.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/caesar.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crypto_utils::sieve_of_eratosthenes`
[INFO] [stdout]   --> src/euler_formulas.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crypto_utils::sieve_of_eratosthenes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/euler_formulas.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout]    |                ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         phi *= (1.0 - 1.0/(prime_factor as f64));
[INFO] [stdout] 38 +         phi *= 1.0 - 1.0/(prime_factor as f64);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> src/euler_formulas.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/euler_formulas.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut n = n_int as f64;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/euler_formulas.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut result = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_generator` is never used
[INFO] [stdout]   --> src/euler_formulas.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn prime_generator() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/primality_tests.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_modular_inverse` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto_utils.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sieve_of_eratosthenes` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn sieve_of_eratosthenes(limit: usize) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/string_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_substrings` is never used
[INFO] [stdout]  --> src/string_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_repeated_substrings(input: &str, min_length: Option<usize>) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]  --> src/crypto_utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_factors(number: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd_euclidean` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn gcd_euclidean(mut a: i32, mut b: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_modular_inverse` is never used
[INFO] [stdout]   --> src/crypto_utils.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn find_modular_inverse(mut n: i64, modulo: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.58s
[INFO] running `Command { std: "docker" "inspect" "b22d3a579dbde70c9aac44db09f4fe7b1ad8667cafce15636e8ea3a577936ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22d3a579dbde70c9aac44db09f4fe7b1ad8667cafce15636e8ea3a577936ba9", kill_on_drop: false }`
[INFO] [stdout] b22d3a579dbde70c9aac44db09f4fe7b1ad8667cafce15636e8ea3a577936ba9