[INFO] cloning repository https://github.com/pdomenico/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pdomenico/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdomenico%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdomenico%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a1fafe6b37f31a4d8eb73374eb69f4aabcaaa9b
[INFO] checking pdomenico/cryptopals against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdomenico%2Fcryptopals" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pdomenico/cryptopals
[INFO] finished tweaking git repo https://github.com/pdomenico/cryptopals
[INFO] tweaked toml for git repo https://github.com/pdomenico/cryptopals written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pdomenico/cryptopals on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pdomenico/cryptopals 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3c263dca94ef99ceb18915855144e00e8931137062e7d98f5251dda7de5fbe9
[INFO] running `Command { std: "docker" "start" "-a" "f3c263dca94ef99ceb18915855144e00e8931137062e7d98f5251dda7de5fbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c263dca94ef99ceb18915855144e00e8931137062e7d98f5251dda7de5fbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c263dca94ef99ceb18915855144e00e8931137062e7d98f5251dda7de5fbe9", kill_on_drop: false }`
[INFO] [stdout] f3c263dca94ef99ceb18915855144e00e8931137062e7d98f5251dda7de5fbe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4766cd0ffb79d30c785dcbc7ccea8763390b1352daec746e191b68182957ba6a
[INFO] running `Command { std: "docker" "start" "-a" "4766cd0ffb79d30c785dcbc7ccea8763390b1352daec746e191b68182957ba6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.2
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `challenge5`
[INFO] [stdout]  --> src/set1/challenge6.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::set1::{challenge3, challenge5};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockCipher` and `BlockEncrypt`
[INFO] [stdout]  --> src/set1/challenge7.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aes::cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit};
[INFO] [stdout]   |                                                ^^^^^^^^^^^                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge3`
[INFO] [stdout]  --> src/set1/challenge8.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::{challenge1, challenge3};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]  --> src/set2/challenge10.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aes::cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit};
[INFO] [stdout]   |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex::encode`
[INFO] [stdout]  --> src/set2/challenge11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/set2/challenge11.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{thread_rng, Rng, RngCore};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/set2/challenge12.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::set2::challenge13::*`
[INFO] [stdout]    --> src/set2/tests.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use crate::set2::challenge13::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/set2/tests.rs:131:1
[INFO] [stdout]     |
[INFO] [stdout] 131 | mod challenge13_tests {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `challenge1`, `challenge3`, `challenge4`, `challenge5`, `challenge6`, `challenge7`, and `challenge8`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use set1::{challenge1, challenge3, challenge4, challenge5, challenge6, challenge7, challenge8};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `challenge11` and `challenge12`
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use set2::{challenge11, challenge12, challenge13};
[INFO] [stdout]   |            ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge5`
[INFO] [stdout]  --> src/set1/challenge6.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::set1::{challenge3, challenge5};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockCipher` and `BlockEncrypt`
[INFO] [stdout]  --> src/set1/challenge7.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aes::cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit};
[INFO] [stdout]   |                                                ^^^^^^^^^^^                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `challenge3`
[INFO] [stdout]  --> src/set1/challenge8.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::{challenge1, challenge3};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]  --> src/set2/challenge10.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use aes::cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit};
[INFO] [stdout]   |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex::encode`
[INFO] [stdout]  --> src/set2/challenge11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/set2/challenge11.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{thread_rng, Rng, RngCore};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/set2/challenge12.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `challenge1`, `challenge3`, `challenge4`, `challenge5`, `challenge6`, `challenge7`, and `challenge8`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use set1::{challenge1, challenge3, challenge4, challenge5, challenge6, challenge7, challenge8};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `challenge11` and `challenge12`
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use set2::{challenge11, challenge12, challenge13};
[INFO] [stdout]   |            ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes128_single_block_decrypt` is never used
[INFO] [stdout]  --> src/set1/challenge7.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn aes128_single_block_decrypt(ciphertext: &[u8], key: &Vec<u8>) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/set1/challenge7.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeating_score` is never used
[INFO] [stdout]  --> src/set1/challenge8.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn repeating_score(ciphertext: &Vec<u8>, length: usize) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/set1/challenge8.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_encrypt` is never used
[INFO] [stdout]   --> src/set2/challenge10.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn cbc_encrypt(plaintext: &[u8], iv: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_decrypt` is never used
[INFO] [stdout]   --> src/set2/challenge10.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn cbc_decrypt(cyphertext: &[u8], iv: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EncryptionMode` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EncryptionMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_block` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn random_block() -> [u8; 16] {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encryption_oracle` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn encryption_oracle(input: &[u8]) -> (Vec<u8>, EncryptionMode) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mode_detector` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn mode_detector() -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/set2/challenge11.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY` is never used
[INFO] [stdout]  --> src/set2/challenge12.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const KEY: [u8; 16] = [
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_unknown_key` is never used
[INFO] [stdout]   --> src/set2/challenge12.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn ecb_unknown_key(plaintext: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `discover_block_size` is never used
[INFO] [stdout]   --> src/set2/challenge12.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn discover_block_size() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_secret_string` is never used
[INFO] [stdout]   --> src/set2/challenge12.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn decrypt_secret_string() -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email`, `uid`, and `role` are never read
[INFO] [stdout]   --> src/set2/challenge13.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Profile {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     pub email: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 15 |     pub uid: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 16 |     pub role: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes128_single_block_decrypt` is never used
[INFO] [stdout]  --> src/set1/challenge7.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn aes128_single_block_decrypt(ciphertext: &[u8], key: &Vec<u8>) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/set1/challenge7.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeating_score` is never used
[INFO] [stdout]  --> src/set1/challenge8.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn repeating_score(ciphertext: &Vec<u8>, length: usize) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/set1/challenge8.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EncryptionMode` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EncryptionMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_block` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn random_block() -> [u8; 16] {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encryption_oracle` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn encryption_oracle(input: &[u8]) -> (Vec<u8>, EncryptionMode) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mode_detector` is never used
[INFO] [stdout]   --> src/set2/challenge11.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn mode_detector() -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/set2/challenge11.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KEY` is never used
[INFO] [stdout]  --> src/set2/challenge12.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const KEY: [u8; 16] = [
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_unknown_key` is never used
[INFO] [stdout]   --> src/set2/challenge12.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn ecb_unknown_key(plaintext: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `discover_block_size` is never used
[INFO] [stdout]   --> src/set2/challenge12.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn discover_block_size() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_secret_string` is never used
[INFO] [stdout]   --> src/set2/challenge12.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn decrypt_secret_string() -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "4766cd0ffb79d30c785dcbc7ccea8763390b1352daec746e191b68182957ba6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4766cd0ffb79d30c785dcbc7ccea8763390b1352daec746e191b68182957ba6a", kill_on_drop: false }`
[INFO] [stdout] 4766cd0ffb79d30c785dcbc7ccea8763390b1352daec746e191b68182957ba6a
