[INFO] cloning repository https://github.com/EirikFA/cryptopals-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EirikFA/cryptopals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEirikFA%2Fcryptopals-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEirikFA%2Fcryptopals-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4458f46542257bfca0485ba554d66c81e6b053a2
[INFO] building EirikFA/cryptopals-rust 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%2FEirikFA%2Fcryptopals-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EirikFA/cryptopals-rust 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/EirikFA/cryptopals-rust
[INFO] finished tweaking git repo https://github.com/EirikFA/cryptopals-rust
[INFO] tweaked toml for git repo https://github.com/EirikFA/cryptopals-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EirikFA/cryptopals-rust 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7457976241e83da0afc77fde0be8f4e958be4860b3b83cd6452f9be60af649b7
[INFO] running `Command { std: "docker" "start" "-a" "7457976241e83da0afc77fde0be8f4e958be4860b3b83cd6452f9be60af649b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7457976241e83da0afc77fde0be8f4e958be4860b3b83cd6452f9be60af649b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7457976241e83da0afc77fde0be8f4e958be4860b3b83cd6452f9be60af649b7", kill_on_drop: false }`
[INFO] [stdout] 7457976241e83da0afc77fde0be8f4e958be4860b3b83cd6452f9be60af649b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f030237651a42b3dedca1d9201ddad66e8875c2f464d069f447e94602c2f6adf
[INFO] running `Command { std: "docker" "start" "-a" "f030237651a42b3dedca1d9201ddad66e8875c2f464d069f447e94602c2f6adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling aes v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `edit_distance` is never used
[INFO] [stdout]  --> src/basics.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn edit_distance(a: &[u8], b: &[u8]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average_edit_distance` is never used
[INFO] [stdout]   --> src/basics.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn average_edit_distance(chunks: Vec<&[u8]>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transpose_chunks` is never used
[INFO] [stdout]   --> src/basics.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn transpose_chunks(chunks: Vec<&[u8]>) -> Vec<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_rand_bytes` is never used
[INFO] [stdout]   --> src/basics.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn gen_rand_bytes(count: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relative_unique_chunks` is never used
[INFO] [stdout]  --> src/basics/cipher.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn relative_unique_chunks(bytes: &[u8]) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `detect_aes_ecb` is never used
[INFO] [stdout]  --> src/basics/cipher.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn detect_aes_ecb(ciphertexts: Vec<Vec<u8>>) -> Option<Vec<u8>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]  --> src/basics/hex.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn decode(hex: &str) -> std::result::Result<Vec<u8>, ParseIntError> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]   --> src/basics/hex.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn encode(bytes: &[u8]) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_base64` is never used
[INFO] [stdout]   --> src/basics/hex.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn to_base64(hex: &str) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_character_map`, `from_text`, `from_file`, `from_sample_file`, and `eval_text` are never used
[INFO] [stdout]   --> src/basics/linguistics.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl LanguageAnalyzer {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 10 |   pub fn into_character_map(text: &str) -> HashMap<char, u32> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |   pub fn from_text(text: &str) -> LanguageAnalyzer {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   pub fn from_file(path: PathBuf) -> Result<LanguageAnalyzer> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub fn from_sample_file() -> Result<LanguageAnalyzer> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn eval_text(&self, text: &str) -> f32 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XorGuess` is never constructed
[INFO] [stdout]  --> src/basics/xor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct XorGuess(pub f32, pub u8, pub String);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `XorGuess` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor` is never used
[INFO] [stdout]  --> src/basics/xor.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn xor(a: &[u8], b: &[u8]) -> Vec<u8> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_xor` is never used
[INFO] [stdout]   --> src/basics/xor.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn hex_xor(hex_a: &str, hex_b: &str) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_xor` is never used
[INFO] [stdout]   --> src/basics/xor.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn guess_xor(bytes: &[u8], analyzer: &LanguageAnalyzer) -> XorGuess {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_xor_multiple` is never used
[INFO] [stdout]   --> src/basics/xor.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn guess_xor_multiple(strings: Vec<String>) -> (String, XorGuess) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_with_repeating_key` is never used
[INFO] [stdout]   --> src/basics/xor.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn xor_with_repeating_key(bytes: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_repeating_key_size` is never used
[INFO] [stdout]   --> src/basics/xor.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn guess_repeating_key_size(bytes: &[u8], range: Range<usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_repeating_key` is never used
[INFO] [stdout]   --> src/basics/xor.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn guess_repeating_key(bytes: &[u8], key_size_range: Range<usize>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_aes_128_ecb` is never used
[INFO] [stdout]   --> src/block_crypto.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn decrypt_aes_128_ecb(data: &[u8], key: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt_aes_128_ecb` is never used
[INFO] [stdout]   --> src/block_crypto.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn encrypt_aes_128_ecb(data: &[u8], key: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt_aes_128_cbc` is never used
[INFO] [stdout]   --> src/block_crypto.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn encrypt_aes_128_cbc(data: &[u8], key: &[u8], iv: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_aes_128_cbc` is never used
[INFO] [stdout]   --> src/block_crypto.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn decrypt_aes_128_cbc(data: &[u8], key: &[u8], iv: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `detect_mode` is never used
[INFO] [stdout]   --> src/block_crypto.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn detect_mode(data: &[u8]) -> EncryptionMode {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNKNOWN_KEY` is never used
[INFO] [stdout]  --> src/block_crypto/ecb_bruteforce.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const UNKNOWN_KEY: &str = "YELLOW SUBMARINE";
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `APPEND` is never used
[INFO] [stdout]  --> src/block_crypto/ecb_bruteforce.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const APPEND: &str = "Um9sbGluJyBpbiBteSA1LjAKV2l0aCBteSByYWctdG9wIGRvd24gc28gbXkgaGFpciBjYW4gYmxvdwpUaGUgZ2lybGllcyBvbiBzdGFuZGJ5IHdhdml...
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `oracle_encrypt` is never used
[INFO] [stdout]  --> src/block_crypto/ecb_bruteforce.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn oracle_encrypt(data: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_block_size` is never used
[INFO] [stdout]   --> src/block_crypto/ecb_bruteforce.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn find_block_size() -> Result<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ecb` and `Cbc` are never constructed
[INFO] [stdout]  --> src/block_crypto/util.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum EncryptionMode {
[INFO] [stdout]   |          -------------- variants in this enum
[INFO] [stdout] 8 |   Ecb,
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 9 |   Cbc,
[INFO] [stdout]   |   ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EncryptionMode` 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 `pad_bytes` is never used
[INFO] [stdout]   --> src/block_crypto/util.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn pad_bytes(bytes: &[u8], target_size: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unpad_bytes` is never used
[INFO] [stdout]   --> src/block_crypto/util.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn unpad_bytes(bytes: &[u8]) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_aes_128_inputs` is never used
[INFO] [stdout]   --> src/block_crypto/util.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn validate_aes_128_inputs(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_to_generic_array_blocks` is never used
[INFO] [stdout]   --> src/block_crypto/util.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn bytes_to_generic_array_blocks<U: ArrayLength<u8>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt_random` is never used
[INFO] [stdout]   --> src/block_crypto/util.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn encrypt_random(data: &[u8]) -> Result<(Vec<u8>, EncryptionMode)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/block_crypto.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let previous: &[u8] = encrypted_chunks.last().map_or(iv.clone(), |c| c.as_slice());
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "f030237651a42b3dedca1d9201ddad66e8875c2f464d069f447e94602c2f6adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f030237651a42b3dedca1d9201ddad66e8875c2f464d069f447e94602c2f6adf", kill_on_drop: false }`
[INFO] [stdout] f030237651a42b3dedca1d9201ddad66e8875c2f464d069f447e94602c2f6adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 99e47c5292a19fc24f738e6d059c9f3095f0f49a7dfb90c4a5665bc24fc7e25a
[INFO] running `Command { std: "docker" "start" "-a" "99e47c5292a19fc24f738e6d059c9f3095f0f49a7dfb90c4a5665bc24fc7e25a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/block_crypto.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let previous: &[u8] = encrypted_chunks.last().map_or(iv.clone(), |c| c.as_slice());
[INFO] [stdout]    |                                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "99e47c5292a19fc24f738e6d059c9f3095f0f49a7dfb90c4a5665bc24fc7e25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e47c5292a19fc24f738e6d059c9f3095f0f49a7dfb90c4a5665bc24fc7e25a", kill_on_drop: false }`
[INFO] [stdout] 99e47c5292a19fc24f738e6d059c9f3095f0f49a7dfb90c4a5665bc24fc7e25a