[INFO] cloning repository https://github.com/CJStadler/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/CJStadler/cryptopals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJStadler%2Fcryptopals-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJStadler%2Fcryptopals-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d44e31283d4a4cc2200144a6a5cf4060761da55
[INFO] checking CJStadler/cryptopals-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJStadler%2Fcryptopals-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CJStadler/cryptopals-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CJStadler/cryptopals-rust
[INFO] finished tweaking git repo https://github.com/CJStadler/cryptopals-rust
[INFO] tweaked toml for git repo https://github.com/CJStadler/cryptopals-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/CJStadler/cryptopals-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl v0.10.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cc47103a034d0938b4d83236b22e676b179b502a4705b64d2a876cc9c3af169
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5cc47103a034d0938b4d83236b22e676b179b502a4705b64d2a876cc9c3af169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cc47103a034d0938b4d83236b22e676b179b502a4705b64d2a876cc9c3af169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc47103a034d0938b4d83236b22e676b179b502a4705b64d2a876cc9c3af169", kill_on_drop: false }`
[INFO] [stdout] 5cc47103a034d0938b4d83236b22e676b179b502a4705b64d2a876cc9c3af169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae68ece79f8ce22c62ae6c4ed2ad3c7aa27b47fe6bc61afdb3234e39739590c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aae68ece79f8ce22c62ae6c4ed2ad3c7aa27b47fe6bc61afdb3234e39739590c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `BYTES_PER_BLOCK`
[INFO] [stdout]  --> src/challenges/eight.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const BYTES_PER_BLOCK: usize = 16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_ecb_ciphertext`
[INFO] [stdout]  --> src/challenges/eight.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn find_ecb_ciphertext(ciphertexts: &[Vec<u8>]) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unique_blocks_count`
[INFO] [stdout]   --> src/challenges/eight.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn unique_blocks_count(ciphertext: &[u8]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `break_into_blocks`
[INFO] [stdout]   --> src/challenges/eight.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn break_into_blocks(ciphertext: &[u8]) -> Vec<&[u8]> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeating_key_xor_encode`
[INFO] [stdout]  --> src/challenges/five.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn repeating_key_xor_encode(message: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_line_in_file`
[INFO] [stdout]  --> src/challenges/four.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn decode_line_in_file(filename: &str) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pkcs_pad`
[INFO] [stdout]  --> src/challenges/nine.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn pkcs_pad(message: &[u8], block_length: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pkcs_unpad`
[INFO] [stdout]   --> src/challenges/nine.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn pkcs_unpad(padded_message: &[u8]) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_base64`
[INFO] [stdout]  --> src/challenges/one.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hex_to_base64(hex: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_aes_128_ecb`
[INFO] [stdout]  --> src/challenges/seven.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn decode_aes_128_ecb(ciphertext: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BEST_KEYSIZES_TO_COLLECT`
[INFO] [stdout]  --> src/challenges/six.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const BEST_KEYSIZES_TO_COLLECT: usize = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_KEYSIZE`
[INFO] [stdout]  --> src/challenges/six.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_KEYSIZE: usize = 40;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCKS_TO_CHECK`
[INFO] [stdout]   --> src/challenges/six.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BLOCKS_TO_CHECK: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_repeating_key_xor`
[INFO] [stdout]   --> src/challenges/six.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn decode_repeating_key_xor(ciphertext: &[u8]) -> (Vec<u8>, Vec<u8>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_with_keysize`
[INFO] [stdout]   --> src/challenges/six.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn decode_with_keysize(ciphertext: &[u8], keysize: usize) -> (Vec<u8>, Vec<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `construct_blocks`
[INFO] [stdout]   --> src/challenges/six.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn construct_blocks(ciphertext: &[u8], keysize: usize) -> Vec<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_best_keysizes`
[INFO] [stdout]   --> src/challenges/six.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn find_best_keysizes(ciphertext: &[u8]) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_for_keysize`
[INFO] [stdout]    --> src/challenges/six.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn distance_for_keysize(ciphertext: &[u8], keysize: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BYTES_PER_BLOCK`
[INFO] [stdout]  --> src/challenges/ten.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const BYTES_PER_BLOCK: usize = 16;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_cbc_128`
[INFO] [stdout]   --> src/challenges/ten.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn decode_cbc_128(ciphertext: &[u8], key: &[u8], iv: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_cbc_128`
[INFO] [stdout]   --> src/challenges/ten.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn encode_cbc_128(message: &[u8], key: &[u8], iv: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_aes_128_block`
[INFO] [stdout]   --> src/challenges/ten.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn decode_aes_128_block(cipherblock: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_aes_128_block`
[INFO] [stdout]   --> src/challenges/ten.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn encode_aes_128_block(message_block: &[u8], key: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_xor`
[INFO] [stdout]  --> src/challenges/three.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn decode_xor(encoded: &[u8]) -> (Vec<u8>, u8, usize) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_with_key`
[INFO] [stdout]   --> src/challenges/three.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn decode_with_key(encoded: &[u8], key: u8) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `xor_vectors`
[INFO] [stdout]  --> src/challenges/two.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn xor_vectors(a: &[u8], b: &[u8]) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHARS_TO_CHECK`
[INFO] [stdout]  --> src/english_score.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const CHARS_TO_CHECK: [&'static str; 9] = [" ", "e", "t", "a", "o", "i", "n", "s", "r"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHAR_FREQUENCIES`
[INFO] [stdout]  --> src/english_score.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const CHAR_FREQUENCIES: [usize; 9] = [12, 12, 9, 8, 8, 7, 7, 6, 6];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `english_score`
[INFO] [stdout]  --> src/english_score.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn english_score(text: &[u8]) -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance`
[INFO] [stdout]  --> src/hamming.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn distance(a: &[u8], b: &[u8]) -> usize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `byte_distance`
[INFO] [stdout]   --> src/hamming.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn byte_distance(a: &u8, b: &u8) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "aae68ece79f8ce22c62ae6c4ed2ad3c7aa27b47fe6bc61afdb3234e39739590c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae68ece79f8ce22c62ae6c4ed2ad3c7aa27b47fe6bc61afdb3234e39739590c", kill_on_drop: false }`
[INFO] [stdout] aae68ece79f8ce22c62ae6c4ed2ad3c7aa27b47fe6bc61afdb3234e39739590c