[INFO] cloning repository https://github.com/RecrafterH/Group4_aes-modes-activity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RecrafterH/Group4_aes-modes-activity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecrafterH%2FGroup4_aes-modes-activity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecrafterH%2FGroup4_aes-modes-activity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a53809d1b70d7b0b8a59624adddf82ff2b9edcdd
[INFO] building RecrafterH/Group4_aes-modes-activity against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecrafterH%2FGroup4_aes-modes-activity" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RecrafterH/Group4_aes-modes-activity on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RecrafterH/Group4_aes-modes-activity
[INFO] finished tweaking git repo https://github.com/RecrafterH/Group4_aes-modes-activity
[INFO] tweaked toml for git repo https://github.com/RecrafterH/Group4_aes-modes-activity written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RecrafterH/Group4_aes-modes-activity 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8a1d767608942f99b16550cf01599e885f6d77639614d7aa35ec2bd99ad4f6
[INFO] running `Command { std: "docker" "start" "-a" "bd8a1d767608942f99b16550cf01599e885f6d77639614d7aa35ec2bd99ad4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8a1d767608942f99b16550cf01599e885f6d77639614d7aa35ec2bd99ad4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8a1d767608942f99b16550cf01599e885f6d77639614d7aa35ec2bd99ad4f6", kill_on_drop: false }`
[INFO] [stdout] bd8a1d767608942f99b16550cf01599e885f6d77639614d7aa35ec2bd99ad4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1fab45a609f18dafaee43c11f5eef1c938a8ba00bf9f48081d239079565577d
[INFO] running `Command { std: "docker" "start" "-a" "a1fab45a609f18dafaee43c11f5eef1c938a8ba00bf9f48081d239079565577d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[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 aes-modes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]   --> src/lib.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 |     cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit},
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const BLOCK_SIZE: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes_encrypt` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn aes_encrypt(data: [u8; BLOCK_SIZE], key: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes_decrypt` is never used
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn aes_decrypt(data: [u8; BLOCK_SIZE], key: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pad` is never used
[INFO] [stdout]   --> src/lib.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn pad(mut data: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group` is never used
[INFO] [stdout]   --> src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn group(data: Vec<u8>) -> Vec<[u8; BLOCK_SIZE]> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `un_group` is never used
[INFO] [stdout]   --> src/lib.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn un_group(blocks: Vec<[u8; BLOCK_SIZE]>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `un_pad` is never used
[INFO] [stdout]    --> src/lib.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn un_pad(data: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn ecb_encrypt(plain_text: Vec<u8>, key: [u8; 16]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn ecb_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_blocks` is never used
[INFO] [stdout]    --> src/lib.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn xor_blocks(block1: &[u8; BLOCK_SIZE], block2: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn cbc_encrypt(plain_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn cbc_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ctr_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn ctr_encrypt(plain_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ctr_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn ctr_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "a1fab45a609f18dafaee43c11f5eef1c938a8ba00bf9f48081d239079565577d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fab45a609f18dafaee43c11f5eef1c938a8ba00bf9f48081d239079565577d", kill_on_drop: false }`
[INFO] [stdout] a1fab45a609f18dafaee43c11f5eef1c938a8ba00bf9f48081d239079565577d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99c6cde15a3ec3744b6de8a9562f549b58ef5a26d433c070b0954c5daa22d64
[INFO] running `Command { std: "docker" "start" "-a" "a99c6cde15a3ec3744b6de8a9562f549b58ef5a26d433c070b0954c5daa22d64", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]   --> src/lib.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 |     cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit},
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const BLOCK_SIZE: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aes-modes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `aes_encrypt` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn aes_encrypt(data: [u8; BLOCK_SIZE], key: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes_decrypt` is never used
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn aes_decrypt(data: [u8; BLOCK_SIZE], key: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pad` is never used
[INFO] [stdout]   --> src/lib.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn pad(mut data: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group` is never used
[INFO] [stdout]   --> src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn group(data: Vec<u8>) -> Vec<[u8; BLOCK_SIZE]> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `un_group` is never used
[INFO] [stdout]   --> src/lib.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn un_group(blocks: Vec<[u8; BLOCK_SIZE]>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `un_pad` is never used
[INFO] [stdout]    --> src/lib.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn un_pad(data: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn ecb_encrypt(plain_text: Vec<u8>, key: [u8; 16]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn ecb_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_blocks` is never used
[INFO] [stdout]    --> src/lib.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn xor_blocks(block1: &[u8; BLOCK_SIZE], block2: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn cbc_encrypt(plain_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn cbc_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ctr_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn ctr_encrypt(plain_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ctr_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn ctr_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]   --> src/lib.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 |     cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit},
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const BLOCK_SIZE: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes_encrypt` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn aes_encrypt(data: [u8; BLOCK_SIZE], key: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aes_decrypt` is never used
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn aes_decrypt(data: [u8; BLOCK_SIZE], key: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pad` is never used
[INFO] [stdout]   --> src/lib.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn pad(mut data: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group` is never used
[INFO] [stdout]   --> src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn group(data: Vec<u8>) -> Vec<[u8; BLOCK_SIZE]> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `un_group` is never used
[INFO] [stdout]   --> src/lib.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn un_group(blocks: Vec<[u8; BLOCK_SIZE]>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `un_pad` is never used
[INFO] [stdout]    --> src/lib.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn un_pad(data: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn ecb_encrypt(plain_text: Vec<u8>, key: [u8; 16]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ecb_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn ecb_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_blocks` is never used
[INFO] [stdout]    --> src/lib.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn xor_blocks(block1: &[u8; BLOCK_SIZE], block2: &[u8; BLOCK_SIZE]) -> [u8; BLOCK_SIZE] {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn cbc_encrypt(plain_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cbc_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn cbc_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ctr_encrypt` is never used
[INFO] [stdout]    --> src/lib.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn ctr_encrypt(plain_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ctr_decrypt` is never used
[INFO] [stdout]    --> src/lib.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn ctr_decrypt(cipher_text: Vec<u8>, key: [u8; BLOCK_SIZE]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "a99c6cde15a3ec3744b6de8a9562f549b58ef5a26d433c070b0954c5daa22d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99c6cde15a3ec3744b6de8a9562f549b58ef5a26d433c070b0954c5daa22d64", kill_on_drop: false }`
[INFO] [stdout] a99c6cde15a3ec3744b6de8a9562f549b58ef5a26d433c070b0954c5daa22d64