[INFO] cloning repository https://github.com/VanhGer/aes-toy-implementation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VanhGer/aes-toy-implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanhGer%2Faes-toy-implementation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanhGer%2Faes-toy-implementation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47711f3ecd5944c9048a9f7e7cc3a29e9e62f5a6
[INFO] checking VanhGer/aes-toy-implementation against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanhGer%2Faes-toy-implementation" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VanhGer/aes-toy-implementation
[INFO] finished tweaking git repo https://github.com/VanhGer/aes-toy-implementation
[INFO] tweaked toml for git repo https://github.com/VanhGer/aes-toy-implementation written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VanhGer/aes-toy-implementation on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VanhGer/aes-toy-implementation 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4aff27a918db5c35eda0838a605740397e8927924b2ee3659f66fc4ff423107
[INFO] running `Command { std: "docker" "start" "-a" "d4aff27a918db5c35eda0838a605740397e8927924b2ee3659f66fc4ff423107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4aff27a918db5c35eda0838a605740397e8927924b2ee3659f66fc4ff423107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4aff27a918db5c35eda0838a605740397e8927924b2ee3659f66fc4ff423107", kill_on_drop: false }`
[INFO] [stdout] d4aff27a918db5c35eda0838a605740397e8927924b2ee3659f66fc4ff423107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6f89e1751ffb8b9696217aee065f153dee206071c4456832e039c8f41e9858
[INFO] running `Command { std: "docker" "start" "-a" "7a6f89e1751ffb8b9696217aee065f153dee206071c4456832e039c8f41e9858", kill_on_drop: false }`
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking aes-toy-implementation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/aes128.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AES_SBOX` is never used
[INFO] [stdout]  --> src/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const AES_SBOX: [u8; 256] = [
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AES128_RCON` is never used
[INFO] [stdout]   --> src/constants.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const AES128_RCON: [[u8; 4]; 10] = [
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MD5_MATRIX` is never used
[INFO] [stdout]   --> src/constants.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const MD5_MATRIX: AesMatrix = AesMatrix {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shift_left` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn shift_left(input: &mut [u8], shift: usize) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s_box` is never used
[INFO] [stdout]   --> src/utils.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn s_box(input: &mut [u8]) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adding_round_constant` is never used
[INFO] [stdout]   --> src/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn adding_round_constant(input: &[u8], round: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_vec` is never used
[INFO] [stdout]   --> src/utils.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn xor_vec(a: &[u8], b: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `g` is never used
[INFO] [stdout]   --> src/utils.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn g(input: &[u8; 4], round: usize) -> [u8; 4] {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xtime` is never used
[INFO] [stdout]   --> src/utils.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn xtime(x: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_md5` is never used
[INFO] [stdout]   --> src/utils.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn mul_md5(x: u8, by: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AesMatrix` is never constructed
[INFO] [stdout]  --> src/aes_matrix.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AesMatrix {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/aes_matrix.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl AesMatrix {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn from_col_vec(input: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn to_col_vec(&self) -> [u8; 16] {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn xor(&mut self, input: &AesMatrix) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn s_box(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn shift_rows(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn mul_by_md5(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Aes128` is never constructed
[INFO] [stdout]  --> src/aes128.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Aes128 {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `encrypt` are never used
[INFO] [stdout]   --> src/aes128.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Aes128 {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(key: [u8; 16]) -> Aes128 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn encrypt(&mut self, plaintext: [u8; 16]) -> [u8; 16] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::constants::MD5_MATRIX`
[INFO] [stdout]   --> src/aes_matrix.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::constants::MD5_MATRIX;
[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 import: `std::io::Read`
[INFO] [stdout]  --> src/aes128.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adding_round_constant` is never used
[INFO] [stdout]   --> src/utils.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn adding_round_constant(input: &[u8], round: usize) -> 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: method `shift_rows` is never used
[INFO] [stdout]   --> src/aes_matrix.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl AesMatrix {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn shift_rows(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 16], Infallible>
[INFO] [stdout]   --> src/lib.rs:41:38
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let ciphertext = aes.encrypt(input.try_into().unwrap());
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aes-toy-implementation` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7a6f89e1751ffb8b9696217aee065f153dee206071c4456832e039c8f41e9858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6f89e1751ffb8b9696217aee065f153dee206071c4456832e039c8f41e9858", kill_on_drop: false }`
[INFO] [stdout] 7a6f89e1751ffb8b9696217aee065f153dee206071c4456832e039c8f41e9858