[INFO] cloning repository https://github.com/ShaunApps/cryptopals-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShaunApps/cryptopals-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaunApps%2Fcryptopals-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaunApps%2Fcryptopals-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5a7d82a5c6df25dd14c40c3c47485a2b8e5c115
[INFO] checking ShaunApps/cryptopals-challenges against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaunApps%2Fcryptopals-challenges" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShaunApps/cryptopals-challenges on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShaunApps/cryptopals-challenges
[INFO] finished tweaking git repo https://github.com/ShaunApps/cryptopals-challenges
[INFO] tweaked toml for git repo https://github.com/ShaunApps/cryptopals-challenges written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ShaunApps/cryptopals-challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e60b7029c2755d9f68f75511ed08b24f2446f2ba7a7ac0257a0756e59b8bc395
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e60b7029c2755d9f68f75511ed08b24f2446f2ba7a7ac0257a0756e59b8bc395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60b7029c2755d9f68f75511ed08b24f2446f2ba7a7ac0257a0756e59b8bc395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60b7029c2755d9f68f75511ed08b24f2446f2ba7a7ac0257a0756e59b8bc395", kill_on_drop: false }`
[INFO] [stdout] e60b7029c2755d9f68f75511ed08b24f2446f2ba7a7ac0257a0756e59b8bc395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 374a121bc0f25e63cc5145da08038921fdf30f097706c0b3e8daf0dd5d788f68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "374a121bc0f25e63cc5145da08038921fdf30f097706c0b3e8daf0dd5d788f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/challenge_set_1/challenge_7.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let result = try!(decryptor.decrypt(&mut read_buffer, &mut write_buffer, true));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/challenge_set_1/break_repeating_key_xor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/challenge_set_1/break_repeating_key_xor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/challenge_set_1/break_repeating_key_xor.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OsRng`, `Rng`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{OsRng, Rng};
[INFO] [stdout]   |            ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/challenge_set_1/challenge_7.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/challenge_set_1/detect_single_char_xor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64`
[INFO] [stdout]  --> src/challenge_set_1/fixed_XOR.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/challenge_set_1/repeating_key_xor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/challenge_set_1/repeating_key_xor.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if ((index + 1) == key.as_bytes().len()) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64`
[INFO] [stdout]  --> src/challenge_set_1/single_byte_xor_cipher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge_set_1::detect_single_char_xor::detect_sing_char_xor`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use challenge_set_1::detect_single_char_xor::detect_sing_char_xor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge_set_1::single_byte_xor_cipher::single_byte_xor_cipher`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use challenge_set_1::single_byte_xor_cipher::single_byte_xor_cipher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/challenge_set_1/challenge_7.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let result = try!(decryptor.decrypt(&mut read_buffer, &mut write_buffer, true));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/challenge_set_1/break_repeating_key_xor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/challenge_set_1/break_repeating_key_xor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/challenge_set_1/break_repeating_key_xor.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OsRng`, `Rng`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{OsRng, Rng};
[INFO] [stdout]   |            ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/challenge_set_1/challenge_7.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/challenge_set_1/challenge_7.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/challenge_set_1/detect_single_char_xor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64`
[INFO] [stdout]  --> src/challenge_set_1/fixed_XOR.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::from_utf8`
[INFO] [stdout]  --> src/challenge_set_1/repeating_key_xor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::from_utf8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/challenge_set_1/repeating_key_xor.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if ((index + 1) == key.as_bytes().len()) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64`
[INFO] [stdout]  --> src/challenge_set_1/single_byte_xor_cipher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::data::CryptopalData`
[INFO] [stdout]  --> src/challenge_set_2/pkcs_padding.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use utils::data::CryptopalData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge_set_1::detect_single_char_xor::detect_sing_char_xor`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use challenge_set_1::detect_single_char_xor::detect_sing_char_xor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge_set_1::single_byte_xor_cipher::single_byte_xor_cipher`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use challenge_set_1::single_byte_xor_cipher::single_byte_xor_cipher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `phrase` is assigned to, but never used
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut phrase: String = "".to_string();
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_phrase` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `phrase` is never read
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             phrase = match thing {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Err(error) => String::from(""),
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for (key, value) in key_map.iter() {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(e) => String::from(""),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let length = data_as_bytes.len();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 Err(error) => String::from(""),
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/utils/data.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let data = CryptopalData::from_string("YELLOW SUBMARINE");
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `phrase` is assigned to, but never used
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut phrase: String = "".to_string();
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_phrase` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `phrase` is never read
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             phrase = match thing {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 Err(error) => String::from(""),
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for (key, value) in key_map.iter() {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err(e) => String::from(""),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let length = data_as_bytes.len();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/challenge_set_1/single_byte_xor_cipher.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 Err(error) => String::from(""),
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/challenge_set_1/challenge_7.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut f = File::open("1_challenge_7.txt").unwrap();
[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/challenge_set_1/challenge_7.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut buf_reader = BufReader::new(f);
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_blocks`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_blocks(blocks: Vec<Vec<u8>>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `break_ciphertext_into_blocks`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn break_ciphertext_into_blocks(keysize: u8) -> Vec<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_smallest_KEYSIZE`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn find_smallest_KEYSIZE() -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalized_KEYSIZE`
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn normalized_KEYSIZE(key_guess: u8) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decrypt`
[INFO] [stdout]   --> src/challenge_set_1/challenge_7.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn decrypt(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute`
[INFO] [stdout]  --> src/challenge_set_2/pkcs_padding.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn execute() {}
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `fixed_XOR` should have a snake case name
[INFO] [stdout]  --> src/challenge_set_1/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod fixed_XOR;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `fixed_xor`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_smallest_KEYSIZE` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn find_smallest_KEYSIZE() -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `find_smallest_keysize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalized_KEYSIZE` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn normalized_KEYSIZE(key_guess: u8) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `normalized_keysize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fixed_XOR` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/fixed_XOR.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn fixed_XOR(data_1: &str, data_2: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `fixed_xor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute`
[INFO] [stdout]  --> src/challenge_set_2/pkcs_padding.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn execute() {}
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `fixed_XOR` should have a snake case name
[INFO] [stdout]  --> src/challenge_set_1/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub mod fixed_XOR;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `fixed_xor`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_smallest_KEYSIZE` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn find_smallest_KEYSIZE() -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `find_smallest_keysize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalized_KEYSIZE` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/break_repeating_key_xor.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn normalized_KEYSIZE(key_guess: u8) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `normalized_keysize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fixed_XOR` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/fixed_XOR.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn fixed_XOR(data_1: &str, data_2: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `fixed_xor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fixed_XOR` should have a snake case name
[INFO] [stdout]   --> src/challenge_set_1/fixed_XOR.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn test_fixed_XOR() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_fixed_xor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "374a121bc0f25e63cc5145da08038921fdf30f097706c0b3e8daf0dd5d788f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374a121bc0f25e63cc5145da08038921fdf30f097706c0b3e8daf0dd5d788f68", kill_on_drop: false }`
[INFO] [stdout] 374a121bc0f25e63cc5145da08038921fdf30f097706c0b3e8daf0dd5d788f68