[INFO] cloning repository https://github.com/lucasalavapena/cryptography-pals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucasalavapena/cryptography-pals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucasalavapena%2Fcryptography-pals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucasalavapena%2Fcryptography-pals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97b5e64ddc99fe50ef80321136fecd82bf8cd458
[INFO] testing lucasalavapena/cryptography-pals against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucasalavapena%2Fcryptography-pals" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lucasalavapena/cryptography-pals
[INFO] finished tweaking git repo https://github.com/lucasalavapena/cryptography-pals
[INFO] tweaked toml for git repo https://github.com/lucasalavapena/cryptography-pals written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lucasalavapena/cryptography-pals on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lucasalavapena/cryptography-pals 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded openssl-sys v0.9.88
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded openssl v0.10.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb67f69d90ed8252324e3ff80673993932a94c2a05508e200a4e943b79abbd4
[INFO] running `Command { std: "docker" "start" "-a" "2cb67f69d90ed8252324e3ff80673993932a94c2a05508e200a4e943b79abbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb67f69d90ed8252324e3ff80673993932a94c2a05508e200a4e943b79abbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb67f69d90ed8252324e3ff80673993932a94c2a05508e200a4e943b79abbd4", kill_on_drop: false }`
[INFO] [stdout] 2cb67f69d90ed8252324e3ff80673993932a94c2a05508e200a4e943b79abbd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f1d767cfb0f3930d102894f507617969956ac6a3ffd50c1b1901ccb86e46ba9
[INFO] running `Command { std: "docker" "start" "-a" "3f1d767cfb0f3930d102894f507617969956ac6a3ffd50c1b1901ccb86e46ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling cryptography-pals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `block`
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{aes_128, block};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_random_vec`
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:11:49
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::{generate_rand_vec_rand_size, generate_random_vec};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     engine::{self, general_purpose},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/metrics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::zip`
[INFO] [stdout]  --> src/metrics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/rng.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 (mersenne_twitster.mt[i - 1]
[INFO] [stdout]    |                 ^
[INFO] [stdout] 69 |                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2)))
[INFO] [stdout]    |                                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 ~                 mersenne_twitster.mt[i - 1]
[INFO] [stdout] 69 ~                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/metrics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `counter_array` is never read
[INFO] [stdout]   --> src/aes_128.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut counter_array: [u8; 8] = counter.to_le_bytes();
[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: value assigned to `relevant_block_input` is never read
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut relevant_block_input: Vec<u8> = vec![];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/block.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for i in 0..block_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `did_overflow`
[INFO] [stdout]   --> src/rng.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let (value, did_overflow) = lhs.overflowing_mul(rhs);
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rng.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in 0..10 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_helper` is never used
[INFO] [stdout]  --> src/aes_128.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn ecb_helper(
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn encrypt(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn decrypt(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn encrypt(bytes: &[u8], key: &[u8], iv: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn decrypt(bytes: &[u8], key: &[u8], iv: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/aes_128.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn helper(plaintext: &[u8], key: &[u8], nonce: u64) -> Result<Vec<u8>, ErrorStack> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]    --> src/aes_128.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn encrypt(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]    --> src/aes_128.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn decrypt(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AESModes` is never used
[INFO] [stdout]  --> src/attacks/aes_mode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum AESModes {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encryption_oracle` is never used
[INFO] [stdout]   --> src/attacks/aes_mode.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn encryption_oracle(bytes: Vec<u8>, key_size: usize) -> (Vec<u8>, AESModes) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY_IV` is never used
[INFO] [stdout]  --> src/attacks/cbc_bitflip.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const EMPTY_IV: [u8; 16] = [0; 16];
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CBCBitflipper` is never constructed
[INFO] [stdout]  --> src/attacks/cbc_bitflip.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CBCBitflipper {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `encrypt`, and `decrypt` are never used
[INFO] [stdout]   --> src/attacks/cbc_bitflip.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CBCBitflipper {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn encrypt(&self, input: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn decrypt(&self, ciphertext: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_bitflipping_attack` is never used
[INFO] [stdout]   --> src/attacks/cbc_bitflip.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn cbc_bitflipping_attack() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RANDOM_KEY` is never used
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RANDOM_KEY: [u8; 16] = [
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_input` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn ecb_input(attacker_input: &[u8], random_prefix: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_oracle` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn ecb_oracle(ecb_encrypter: fn(&[u8], &[u8]) -> Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RANDOM_KEY` is never used
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RANDOM_KEY: [u8; 16] = [
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `padded_ecb` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn padded_ecb(input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_oracle` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ecb_oracle(ecb_encrypter: fn(&[u8]) -> Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_map` is never used
[INFO] [stdout]  --> src/attacks/ecb_cut_paste.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn display_map(map: &Vec<(String, String)>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/attacks/ecb_cut_paste.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn parse(input: &str) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `profile_for` is never used
[INFO] [stdout]   --> src/attacks/ecb_cut_paste.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn profile_for(email_address: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_cute_paste_oracle` is never used
[INFO] [stdout]   --> src/attacks/ecb_cut_paste.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn ecb_cute_paste_oracle() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `base64_hashmap` is never used
[INFO] [stdout]  --> src/bases.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn base64_hashmap() -> HashMap<u8, char> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_to_binary` is never used
[INFO] [stdout]   --> src/bases.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn hex_to_binary(c: char) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u24_to_base64` is never used
[INFO] [stdout]   --> src/bases.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn u24_to_base64(input: [u8; 3]) -> [char; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tranpose_blocks` is never used
[INFO] [stdout]  --> src/block.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn tranpose_blocks(bytes: Vec<u8>, chunk_size: usize) -> Vec<Vec<u8>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidPKCS7Padding` is never constructed
[INFO] [stdout]   --> src/block.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct InvalidPKCS7Padding;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pkcs7_padding` is never used
[INFO] [stdout]   --> src/block.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn pkcs7_padding(block: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pkcs7_padding_remove` is never used
[INFO] [stdout]   --> src/block.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn pkcs7_padding_remove(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FREQUENCY_CHAR` is never used
[INFO] [stdout]   --> src/metrics.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const FREQUENCY_CHAR: [u32; 26] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `score_based_char_freq` is never used
[INFO] [stdout]   --> src/metrics.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn score_based_char_freq(bytes: Vec<u8>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_best_key` is never used
[INFO] [stdout]   --> src/metrics.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn get_best_key(bytes: &[u8]) -> (u32, u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_repeated_blocks` is never used
[INFO] [stdout]   --> src/metrics.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn count_repeated_blocks(bytes: &[u8], block_size: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_chunk_indexes` is never used
[INFO] [stdout]    --> src/metrics.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn find_repeated_chunk_indexes(data: &[u8], chunk_len: usize) -> Vec<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hamming_distance` is never used
[INFO] [stdout]    --> src/metrics.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn hamming_distance<I, J>(a: I, b: J) -> usize
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MT19937` is never constructed
[INFO] [stdout]  --> src/rng.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MT19937 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `extract_number`, and `twist` are never used
[INFO] [stdout]   --> src/rng.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl MT19937 {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 59 |     fn new(seed: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn extract_number(&mut self) -> Option<u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn twist(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crack_mt19937` is never used
[INFO] [stdout]    --> src/rng.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn crack_mt19937() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_vec` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generate_random_vec(key_size: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_rand_vec_rand_size` is never used
[INFO] [stdout]  --> src/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn generate_rand_vec_rand_size(lower_bound_size: usize, upper_bound_size: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes` is never used
[INFO] [stdout]  --> src/xor.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn xor_bytes(x: Vec<u8>, y: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes_single` is never used
[INFO] [stdout]  --> src/xor.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn xor_bytes_single(x: Vec<u8>, y: u8) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeating_key_xor` is never used
[INFO] [stdout]   --> src/xor.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn repeating_key_xor(input: Vec<u8>, key: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes2` is never used
[INFO] [stdout]   --> src/xor.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn xor_bytes2<T, S, U>(x: T, y: S) -> U
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `xA` should have a snake case name
[INFO] [stdout]   --> src/rng.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut xA = x >> 1;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "3f1d767cfb0f3930d102894f507617969956ac6a3ffd50c1b1901ccb86e46ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1d767cfb0f3930d102894f507617969956ac6a3ffd50c1b1901ccb86e46ba9", kill_on_drop: false }`
[INFO] [stdout] 3f1d767cfb0f3930d102894f507617969956ac6a3ffd50c1b1901ccb86e46ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23cd0ccb6a6706535b1e033ec0026867d6e7518e7465420c292ba58f1ed7a7db
[INFO] running `Command { std: "docker" "start" "-a" "23cd0ccb6a6706535b1e033ec0026867d6e7518e7465420c292ba58f1ed7a7db", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `block`
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{aes_128, block};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_random_vec`
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:11:49
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::{generate_rand_vec_rand_size, generate_random_vec};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     engine::{self, general_purpose},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/metrics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::zip`
[INFO] [stdout]  --> src/metrics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/rng.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 (mersenne_twitster.mt[i - 1]
[INFO] [stdout]    |                 ^
[INFO] [stdout] 69 |                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2)))
[INFO] [stdout]    |                                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 ~                 mersenne_twitster.mt[i - 1]
[INFO] [stdout] 69 ~                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/metrics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `counter_array` is never read
[INFO] [stdout]   --> src/aes_128.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut counter_array: [u8; 8] = counter.to_le_bytes();
[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: value assigned to `relevant_block_input` is never read
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut relevant_block_input: Vec<u8> = vec![];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/block.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for i in 0..block_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `did_overflow`
[INFO] [stdout]   --> src/rng.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let (value, did_overflow) = lhs.overflowing_mul(rhs);
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rng.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in 0..10 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_helper` is never used
[INFO] [stdout]  --> src/aes_128.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn ecb_helper(
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn encrypt(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn decrypt(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn encrypt(bytes: &[u8], key: &[u8], iv: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]   --> src/aes_128.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn decrypt(bytes: &[u8], key: &[u8], iv: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/aes_128.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn helper(plaintext: &[u8], key: &[u8], nonce: u64) -> Result<Vec<u8>, ErrorStack> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt` is never used
[INFO] [stdout]    --> src/aes_128.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn encrypt(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]    --> src/aes_128.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn decrypt(
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AESModes` is never used
[INFO] [stdout]  --> src/attacks/aes_mode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum AESModes {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encryption_oracle` is never used
[INFO] [stdout]   --> src/attacks/aes_mode.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn encryption_oracle(bytes: Vec<u8>, key_size: usize) -> (Vec<u8>, AESModes) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY_IV` is never used
[INFO] [stdout]  --> src/attacks/cbc_bitflip.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const EMPTY_IV: [u8; 16] = [0; 16];
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CBCBitflipper` is never constructed
[INFO] [stdout]  --> src/attacks/cbc_bitflip.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CBCBitflipper {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `encrypt`, and `decrypt` are never used
[INFO] [stdout]   --> src/attacks/cbc_bitflip.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CBCBitflipper {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn encrypt(&self, input: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn decrypt(&self, ciphertext: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_bitflipping_attack` is never used
[INFO] [stdout]   --> src/attacks/cbc_bitflip.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn cbc_bitflipping_attack() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RANDOM_KEY` is never used
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RANDOM_KEY: [u8; 16] = [
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_input` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn ecb_input(attacker_input: &[u8], random_prefix: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_oracle` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn ecb_oracle(ecb_encrypter: fn(&[u8], &[u8]) -> Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RANDOM_KEY` is never used
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RANDOM_KEY: [u8; 16] = [
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `padded_ecb` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn padded_ecb(input: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_oracle` is never used
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ecb_oracle(ecb_encrypter: fn(&[u8]) -> Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_map` is never used
[INFO] [stdout]  --> src/attacks/ecb_cut_paste.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn display_map(map: &Vec<(String, String)>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/attacks/ecb_cut_paste.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn parse(input: &str) -> String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `profile_for` is never used
[INFO] [stdout]   --> src/attacks/ecb_cut_paste.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn profile_for(email_address: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cryptography-pals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `ecb_cute_paste_oracle` is never used
[INFO] [stdout]   --> src/attacks/ecb_cut_paste.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn ecb_cute_paste_oracle() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `base64_hashmap` is never used
[INFO] [stdout]  --> src/bases.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn base64_hashmap() -> HashMap<u8, char> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_to_binary` is never used
[INFO] [stdout]   --> src/bases.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn hex_to_binary(c: char) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u24_to_base64` is never used
[INFO] [stdout]   --> src/bases.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn u24_to_base64(input: [u8; 3]) -> [char; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tranpose_blocks` is never used
[INFO] [stdout]  --> src/block.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn tranpose_blocks(bytes: Vec<u8>, chunk_size: usize) -> Vec<Vec<u8>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidPKCS7Padding` is never constructed
[INFO] [stdout]   --> src/block.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct InvalidPKCS7Padding;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pkcs7_padding` is never used
[INFO] [stdout]   --> src/block.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn pkcs7_padding(block: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pkcs7_padding_remove` is never used
[INFO] [stdout]   --> src/block.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn pkcs7_padding_remove(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FREQUENCY_CHAR` is never used
[INFO] [stdout]   --> src/metrics.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const FREQUENCY_CHAR: [u32; 26] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `score_based_char_freq` is never used
[INFO] [stdout]   --> src/metrics.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn score_based_char_freq(bytes: Vec<u8>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_best_key` is never used
[INFO] [stdout]   --> src/metrics.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn get_best_key(bytes: &[u8]) -> (u32, u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_repeated_blocks` is never used
[INFO] [stdout]   --> src/metrics.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn count_repeated_blocks(bytes: &[u8], block_size: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_repeated_chunk_indexes` is never used
[INFO] [stdout]    --> src/metrics.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn find_repeated_chunk_indexes(data: &[u8], chunk_len: usize) -> Vec<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hamming_distance` is never used
[INFO] [stdout]    --> src/metrics.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn hamming_distance<I, J>(a: I, b: J) -> usize
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MT19937` is never constructed
[INFO] [stdout]  --> src/rng.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MT19937 {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `extract_number`, and `twist` are never used
[INFO] [stdout]   --> src/rng.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl MT19937 {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 59 |     fn new(seed: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn extract_number(&mut self) -> Option<u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn twist(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crack_mt19937` is never used
[INFO] [stdout]    --> src/rng.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn crack_mt19937() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_vec` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generate_random_vec(key_size: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_rand_vec_rand_size` is never used
[INFO] [stdout]  --> src/utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn generate_rand_vec_rand_size(lower_bound_size: usize, upper_bound_size: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes` is never used
[INFO] [stdout]  --> src/xor.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn xor_bytes(x: Vec<u8>, y: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes_single` is never used
[INFO] [stdout]  --> src/xor.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn xor_bytes_single(x: Vec<u8>, y: u8) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeating_key_xor` is never used
[INFO] [stdout]   --> src/xor.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn repeating_key_xor(input: Vec<u8>, key: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes2` is never used
[INFO] [stdout]   --> src/xor.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn xor_bytes2<T, S, U>(x: T, y: S) -> U
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `xA` should have a snake case name
[INFO] [stdout]   --> src/rng.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut xA = x >> 1;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/aes_128.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |         engine::{self, general_purpose},
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block`
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{aes_128, block};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/attacks/ecb_byte_harder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_random_vec`
[INFO] [stdout]   --> src/attacks/ecb_byte_harder.rs:11:49
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::{generate_rand_vec_rand_size, generate_random_vec};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     engine::{self, general_purpose},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/attacks/ecb_byte_simple.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/metrics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::zip`
[INFO] [stdout]  --> src/metrics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::zip;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/rng.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 (mersenne_twitster.mt[i - 1]
[INFO] [stdout]    |                 ^
[INFO] [stdout] 69 |                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2)))
[INFO] [stdout]    |                                                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 ~                 mersenne_twitster.mt[i - 1]
[INFO] [stdout] 69 ~                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use crate::utils;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |         engine::{self, general_purpose},
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `openssl::symm::Mode`
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use openssl::symm::Mode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/metrics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `counter_array` is never read
[INFO] [stdout]   --> src/aes_128.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut counter_array: [u8; 8] = counter.to_le_bytes();
[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: value assigned to `relevant_block_input` is never read
[INFO] [stdout]   --> src/attacks/ecb_byte_simple.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut relevant_block_input: Vec<u8> = vec![];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/block.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for i in 0..block_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `did_overflow`
[INFO] [stdout]   --> src/rng.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let (value, did_overflow) = lhs.overflowing_mul(rhs);
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rng.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for i in 0..10 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/lib.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let (score, key) = metrics::get_best_key(&decoded_input);
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/lib.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let ((score, key), line) = decoded_input
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `normalised_score`
[INFO] [stdout]    --> src/lib.rs:121:24
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let (key_size, normalised_score) = (2..=40)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_normalised_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/lib.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let (score, block_key) = metrics::get_best_key(&block);
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_size`
[INFO] [stdout]    --> src/lib.rs:131:27
[INFO] [stdout]     |
[INFO] [stdout] 131 |             .min_by_key(|(key_size, normalised_score)| normalised_score.clone())
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `separation_p` is never read
[INFO] [stdout]   --> src/rng.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct MT19937 {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     separation_p: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `challenge_10` is never used
[INFO] [stdout]    --> src/lib.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn challenge_10() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_PKCS7_padding` should have a snake case name
[INFO] [stdout]   --> src/block.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn test_PKCS7_padding() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_PKCS7_padding_remove` should have a snake case name
[INFO] [stdout]   --> src/block.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn test_PKCS7_padding_remove() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding_remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_PKCS7_padding_remove2` should have a snake case name
[INFO] [stdout]   --> src/block.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn test_PKCS7_padding_remove2() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding_remove2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_PKCS7_padding_remove3` should have a snake case name
[INFO] [stdout]    --> src/block.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn test_PKCS7_padding_remove3() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding_remove3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `xA` should have a snake case name
[INFO] [stdout]   --> src/rng.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut xA = x >> 1;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `decoded_XORer` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let decoded_XORer = hex::decode(xorer).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `decoded_xorer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "23cd0ccb6a6706535b1e033ec0026867d6e7518e7465420c292ba58f1ed7a7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cd0ccb6a6706535b1e033ec0026867d6e7518e7465420c292ba58f1ed7a7db", kill_on_drop: false }`
[INFO] [stdout] 23cd0ccb6a6706535b1e033ec0026867d6e7518e7465420c292ba58f1ed7a7db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b946818543994d59dc7a1e2240f05df4b26b9753319b52b09a7f361296c441c8
[INFO] running `Command { std: "docker" "start" "-a" "b946818543994d59dc7a1e2240f05df4b26b9753319b52b09a7f361296c441c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `block`
[INFO] [stderr]  --> src/attacks/ecb_byte_harder.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{aes_128, block};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/attacks/ecb_byte_harder.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `generate_random_vec`
[INFO] [stderr]   --> src/attacks/ecb_byte_harder.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::utils::{generate_rand_vec_rand_size, generate_random_vec};
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/attacks/ecb_byte_simple.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     engine::{self, general_purpose},
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/attacks/ecb_byte_simple.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/metrics.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::zip`
[INFO] [stderr]  --> src/metrics.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter::zip;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/rng.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 (mersenne_twitster.mt[i - 1]
[INFO] [stderr]    |                 ^
[INFO] [stderr] 69 |                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2)))
[INFO] [stderr]    |                                                                                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 68 ~                 mersenne_twitster.mt[i - 1]
[INFO] [stderr] 69 ~                     ^ (mersenne_twitster.mt[i - 1] >> (mersenne_twitster.word_size - 2))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/metrics.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `counter_array` is never read
[INFO] [stderr]   --> src/aes_128.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut counter_array: [u8; 8] = counter.to_le_bytes();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `relevant_block_input` is never read
[INFO] [stderr]   --> src/attacks/ecb_byte_simple.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut relevant_block_input: Vec<u8> = vec![];
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/block.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     for i in 0..block_size {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `did_overflow`
[INFO] [stderr]   --> src/rng.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let (value, did_overflow) = lhs.overflowing_mul(rhs);
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rng.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     for i in 0..10 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function `ecb_helper` is never used
[INFO] [stderr]  --> src/aes_128.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn ecb_helper(
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `encrypt` is never used
[INFO] [stderr]   --> src/aes_128.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn encrypt(
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `decrypt` is never used
[INFO] [stderr]   --> src/aes_128.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn decrypt(
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encrypt` is never used
[INFO] [stderr]   --> src/aes_128.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn encrypt(bytes: &[u8], key: &[u8], iv: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `decrypt` is never used
[INFO] [stderr]   --> src/aes_128.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn decrypt(bytes: &[u8], key: &[u8], iv: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `helper` is never used
[INFO] [stderr]   --> src/aes_128.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn helper(plaintext: &[u8], key: &[u8], nonce: u64) -> Result<Vec<u8>, ErrorStack> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encrypt` is never used
[INFO] [stderr]    --> src/aes_128.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn encrypt(
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `decrypt` is never used
[INFO] [stderr]    --> src/aes_128.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn decrypt(
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `AESModes` is never used
[INFO] [stderr]  --> src/attacks/aes_mode.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum AESModes {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encryption_oracle` is never used
[INFO] [stderr]   --> src/attacks/aes_mode.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn encryption_oracle(bytes: Vec<u8>, key_size: usize) -> (Vec<u8>, AESModes) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EMPTY_IV` is never used
[INFO] [stderr]  --> src/attacks/cbc_bitflip.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const EMPTY_IV: [u8; 16] = [0; 16];
[INFO] [stderr]   |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CBCBitflipper` is never constructed
[INFO] [stderr]  --> src/attacks/cbc_bitflip.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct CBCBitflipper {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `encrypt`, and `decrypt` are never used
[INFO] [stderr]   --> src/attacks/cbc_bitflip.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl CBCBitflipper {
[INFO] [stderr]    | ------------------ associated items in this implementation
[INFO] [stderr] 12 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn encrypt(&self, input: &str) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn decrypt(&self, ciphertext: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cbc_bitflipping_attack` is never used
[INFO] [stderr]   --> src/attacks/cbc_bitflip.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn cbc_bitflipping_attack() -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RANDOM_KEY` is never used
[INFO] [stderr]  --> src/attacks/ecb_byte_harder.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const RANDOM_KEY: [u8; 16] = [
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ecb_input` is never used
[INFO] [stderr]   --> src/attacks/ecb_byte_harder.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn ecb_input(attacker_input: &[u8], random_prefix: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ecb_oracle` is never used
[INFO] [stderr]   --> src/attacks/ecb_byte_harder.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn ecb_oracle(ecb_encrypter: fn(&[u8], &[u8]) -> Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RANDOM_KEY` is never used
[INFO] [stderr]  --> src/attacks/ecb_byte_simple.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const RANDOM_KEY: [u8; 16] = [
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `padded_ecb` is never used
[INFO] [stderr]   --> src/attacks/ecb_byte_simple.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn padded_ecb(input: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ecb_oracle` is never used
[INFO] [stderr]   --> src/attacks/ecb_byte_simple.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn ecb_oracle(ecb_encrypter: fn(&[u8]) -> Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `display_map` is never used
[INFO] [stderr]  --> src/attacks/ecb_cut_paste.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn display_map(map: &Vec<(String, String)>) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse` is never used
[INFO] [stderr]   --> src/attacks/ecb_cut_paste.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn parse(input: &str) -> String {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `profile_for` is never used
[INFO] [stderr]   --> src/attacks/ecb_cut_paste.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn profile_for(email_address: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `ecb_cute_paste_oracle` is never used
[INFO] [stderr]   --> src/attacks/ecb_cut_paste.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn ecb_cute_paste_oracle() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `base64_hashmap` is never used
[INFO] [stderr]  --> src/bases.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn base64_hashmap() -> HashMap<u8, char> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hex_to_binary` is never used
[INFO] [stderr]   --> src/bases.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn hex_to_binary(c: char) -> u8 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `u24_to_base64` is never used
[INFO] [stderr]   --> src/bases.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn u24_to_base64(input: [u8; 3]) -> [char; 4] {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tranpose_blocks` is never used
[INFO] [stderr]  --> src/block.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn tranpose_blocks(bytes: Vec<u8>, chunk_size: usize) -> Vec<Vec<u8>> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InvalidPKCS7Padding` is never constructed
[INFO] [stderr]   --> src/block.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct InvalidPKCS7Padding;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pkcs7_padding` is never used
[INFO] [stderr]   --> src/block.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn pkcs7_padding(block: &[u8], block_size: usize) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pkcs7_padding_remove` is never used
[INFO] [stderr]   --> src/block.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn pkcs7_padding_remove(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FREQUENCY_CHAR` is never used
[INFO] [stderr]   --> src/metrics.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const FREQUENCY_CHAR: [u32; 26] = [
[INFO] [stderr]    |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `score_based_char_freq` is never used
[INFO] [stderr]   --> src/metrics.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn score_based_char_freq(bytes: Vec<u8>) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_best_key` is never used
[INFO] [stderr]   --> src/metrics.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn get_best_key(bytes: &[u8]) -> (u32, u8) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_repeated_blocks` is never used
[INFO] [stderr]   --> src/metrics.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn count_repeated_blocks(bytes: &[u8], block_size: usize) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_repeated_chunk_indexes` is never used
[INFO] [stderr]    --> src/metrics.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub fn find_repeated_chunk_indexes(data: &[u8], chunk_len: usize) -> Vec<usize> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hamming_distance` is never used
[INFO] [stderr]    --> src/metrics.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub fn hamming_distance<I, J>(a: I, b: J) -> usize
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MT19937` is never constructed
[INFO] [stderr]  --> src/rng.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct MT19937 {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `extract_number`, and `twist` are never used
[INFO] [stderr]   --> src/rng.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | impl MT19937 {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 59 |     fn new(seed: u32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn extract_number(&mut self) -> Option<u32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 93 |     pub fn twist(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `crack_mt19937` is never used
[INFO] [stderr]    --> src/rng.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn crack_mt19937() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_random_vec` is never used
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn generate_random_vec(key_size: usize) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_rand_vec_rand_size` is never used
[INFO] [stderr]  --> src/utils.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn generate_rand_vec_rand_size(lower_bound_size: usize, upper_bound_size: usize) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `xor_bytes` is never used
[INFO] [stderr]  --> src/xor.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn xor_bytes(x: Vec<u8>, y: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `xor_bytes_single` is never used
[INFO] [stderr]  --> src/xor.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn xor_bytes_single(x: Vec<u8>, y: u8) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `repeating_key_xor` is never used
[INFO] [stderr]   --> src/xor.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn repeating_key_xor(input: Vec<u8>, key: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `xor_bytes2` is never used
[INFO] [stderr]   --> src/xor.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn xor_bytes2<T, S, U>(x: T, y: S) -> U
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `xA` should have a snake case name
[INFO] [stderr]   --> src/rng.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut xA = x >> 1;
[INFO] [stderr]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cryptography-pals` (lib) generated 62 warnings (run `cargo fix --lib -p cryptography-pals` to apply 9 suggestions)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]    --> src/aes_128.rs:143:18
[INFO] [stderr]     |
[INFO] [stderr] 143 |         engine::{self, general_purpose},
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `block`
[INFO] [stderr]  --> src/attacks/ecb_byte_harder.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{aes_128, block};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use crate::utils;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         engine::{self, general_purpose},
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `openssl::symm::Mode`
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use openssl::symm::Mode;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]   --> src/lib.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let (score, key) = metrics::get_best_key(&decoded_input);
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]   --> src/lib.rs:88:15
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let ((score, key), line) = decoded_input
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `normalised_score`
[INFO] [stderr]    --> src/lib.rs:121:24
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let (key_size, normalised_score) = (2..=40)
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_normalised_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]    --> src/lib.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let (score, block_key) = metrics::get_best_key(&block);
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_size`
[INFO] [stderr]    --> src/lib.rs:131:27
[INFO] [stderr]     |
[INFO] [stderr] 131 |             .min_by_key(|(key_size, normalised_score)| normalised_score.clone())
[INFO] [stderr]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_size`
[INFO] [stderr] 
[INFO] [stderr] warning: field `separation_p` is never read
[INFO] [stderr]   --> src/rng.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub struct MT19937 {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     separation_p: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `challenge_10` is never used
[INFO] [stderr]    --> src/lib.rs:187:8
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn challenge_10() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_PKCS7_padding` should have a snake case name
[INFO] [stderr]   --> src/block.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn test_PKCS7_padding() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_PKCS7_padding_remove` should have a snake case name
[INFO] [stderr]   --> src/block.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn test_PKCS7_padding_remove() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding_remove`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_PKCS7_padding_remove2` should have a snake case name
[INFO] [stderr]   --> src/block.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn test_PKCS7_padding_remove2() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding_remove2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_PKCS7_padding_remove3` should have a snake case name
[INFO] [stderr]    --> src/block.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn test_PKCS7_padding_remove3() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_pkcs7_padding_remove3`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `xA` should have a snake case name
[INFO] [stderr]   --> src/rng.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut xA = x >> 1;
[INFO] [stderr]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `decoded_XORer` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let decoded_XORer = hex::decode(xorer).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `decoded_xorer`
[INFO] [stderr] 
[INFO] [stderr] warning: `cryptography-pals` (lib test) generated 32 warnings (14 duplicates) (run `cargo fix --lib -p cryptography-pals --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cryptography_pals-6292b94cd81fee44)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test attacks::ecb_cut_paste::tests::test_parse_cookie ... ok
[INFO] [stdout] test block::tests::test_PKCS7_padding ... ok
[INFO] [stdout] test attacks::aes_mode::tests::test_generate_random_vec ... ok
[INFO] [stdout] test block::tests::test_PKCS7_padding_remove ... ok
[INFO] [stdout] test block::tests::test_PKCS7_padding_remove3 ... ok
[INFO] [stdout] test block::tests::test_tranpose_blocks ... ok
[INFO] [stdout] test metrics::test_hamming_distance2 ... ok
[INFO] [stdout] test metrics::test_score_based_char_freq ... ok
[INFO] [stdout] test metrics::test_repeated_blocks_idxs ... ok
[INFO] [stdout] test tests::challenge_01 ... ok
[INFO] [stdout] test metrics::test_hamming_distance ... ok
[INFO] [stdout] test tests::challenge_02 ... ok
[INFO] [stdout] test tests::challenge_05 ... ok
[INFO] [stdout] test tests::challenge_03 ... ok
[INFO] [stdout] test aes_128::tests::aes_128_ctr_56_bytes ... ok
[INFO] [stdout] test aes_128::tests::aes_128_ctr_32_bytes ... ok
[INFO] [stdout] test aes_128::tests::aes_128_cbc_37_bytes ... ok
[INFO] [stdout] test aes_128::tests::aes_128_cbc_16_bytes ... ok
[INFO] [stdout] test aes_128::tests::aes_128_ctr_example ... ok
[INFO] [stdout] test aes_128::tests::aes_128_cbc_14_bytes ... ok
[INFO] [stdout] test tests::challenge_09 ... ok
[INFO] [stdout] test xor::tests::comparision_xor_bytes ... ok
[INFO] [stdout] test tests::challenge_07 ... ok
[INFO] [stdout] test attacks::cbc_bitflip::test_solution ... ok
[INFO] [stdout] test block::tests::test_PKCS7_padding_remove2 ... FAILED
[INFO] [stdout] test attacks::ecb_cut_paste::tests::cut_paste_oracle ... ok
[INFO] [stdout] test tests::challenge_11 ... ok
[INFO] [stdout] test tests::challenge_08 ... ok
[INFO] [stdout] test attacks::ecb_byte_simple::challenge_12 ... ok
[INFO] [stdout] test attacks::ecb_byte_harder::challenge_14 ... ok
[INFO] [stdout] test tests::challenge_06 ... ok
[INFO] [stdout] test tests::challenge_04 ... ok
[INFO] [stdout] test rng::testttt has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b946818543994d59dc7a1e2240f05df4b26b9753319b52b09a7f361296c441c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b946818543994d59dc7a1e2240f05df4b26b9753319b52b09a7f361296c441c8", kill_on_drop: false }`
[INFO] [stdout] b946818543994d59dc7a1e2240f05df4b26b9753319b52b09a7f361296c441c8
