[INFO] cloning repository https://github.com/akinnane/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/akinnane/cryptopals_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakinnane%2Fcryptopals_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakinnane%2Fcryptopals_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccd8dc437da8ccfd27e61b349c89231f86ff02ed
[INFO] checking akinnane/cryptopals_rust against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakinnane%2Fcryptopals_rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akinnane/cryptopals_rust on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akinnane/cryptopals_rust
[INFO] finished tweaking git repo https://github.com/akinnane/cryptopals_rust
[INFO] tweaked toml for git repo https://github.com/akinnane/cryptopals_rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/akinnane/cryptopals_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d3f0152e9b52b60d09adeb1c6f8527ad02469958f8b364b5b29a747bff0c2e9
[INFO] running `Command { std: "docker" "start" "-a" "1d3f0152e9b52b60d09adeb1c6f8527ad02469958f8b364b5b29a747bff0c2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3f0152e9b52b60d09adeb1c6f8527ad02469958f8b364b5b29a747bff0c2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3f0152e9b52b60d09adeb1c6f8527ad02469958f8b364b5b29a747bff0c2e9", kill_on_drop: false }`
[INFO] [stdout] 1d3f0152e9b52b60d09adeb1c6f8527ad02469958f8b364b5b29a747bff0c2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80cfc8c690d6170ed40f0f4f9d643361cbd91e0a696ada4fc76c459cddd08910
[INFO] running `Command { std: "docker" "start" "-a" "80cfc8c690d6170ed40f0f4f9d643361cbd91e0a696ada4fc76c459cddd08910", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `from_hex_to_base64`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn from_hex_to_base64<T: AsRef<[u8]>>(input: T) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `xor`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn xor<S: AsRef<[u8]>, S1: AsRef<[u8]>>(s1: S, s2: S1) -> Vec<u8> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `ENGLISH_LETTER_FREQUENCIES`
[INFO] [stdout]   --> src/main.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / static ENGLISH_LETTER_FREQUENCIES: Map<u8, f64> = phf_map! {
[INFO] [stdout] 52 | |     b'A' => 0.0651738,
[INFO] [stdout] 53 | |     b'B' => 0.0124248,
[INFO] [stdout] 54 | |     b'C' => 0.0217339,
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     b' ' => 0.1918182,
[INFO] [stdout] 79 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `detect_english`
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn detect_english<T: AsRef<[u8]>>(input: T) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `single_byte_xor`
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn single_byte_xor<S: AsRef<[u8]>>(input: S) -> SingleByteXorResult {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `detect_single_byte_xor`
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn detect_single_byte_xor<'a, I, T: 'a, E: 'a>(iter: &mut I) -> SingleByteXorResult
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeating_key_xor`
[INFO] [stdout]    --> src/main.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn repeating_key_xor<T>(input: T, key: T) -> Vec<u8>
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming_distance`
[INFO] [stdout]    --> src/main.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn hamming_distance<T: AsRef<[u8]>>(one: T, two: T) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_base64_file`
[INFO] [stdout]    --> src/main.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn load_base64_file(path: &str) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming_distance_for_key_size`
[INFO] [stdout]    --> src/main.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn hamming_distance_for_key_size<T: AsRef<[u8]>>(bytes: T, key_size: usize) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `key_size_hamming_distances`
[INFO] [stdout]    --> src/main.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn key_size_hamming_distances<T: AsRef<[u8]>>(cipher_text: T) -> Vec<KeySize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transpose_blocks`
[INFO] [stdout]    --> src/main.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn transpose_blocks<T: AsRef<[u8]>>(ctext: T, key_size: usize) -> Vec<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `key_from_xor_vec`
[INFO] [stdout]    --> src/main.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn key_from_xor_vec(xor_vec: &Vec<SingleByteXorResult>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `aes_ecb_decrypt`
[INFO] [stdout]    --> src/main.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn aes_ecb_decrypt<T: AsRef<[u8]>, S: AsRef<[u8]>>(input: T, key: S, pad: bool) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_aes_ecb`
[INFO] [stdout]    --> src/main.rs:382:4
[INFO] [stdout]     |
[INFO] [stdout] 382 | fn is_aes_ecb<T: AsRef<[u8]>>(cipher_text: T, block_size: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pkcs7_pad`
[INFO] [stdout]    --> src/main.rs:403:4
[INFO] [stdout]     |
[INFO] [stdout] 403 | fn pkcs7_pad(input: &mut Vec<u8>, block_size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pkcs7_unpad`
[INFO] [stdout]    --> src/main.rs:409:4
[INFO] [stdout]     |
[INFO] [stdout] 409 | fn pkcs7_unpad(input: &mut Vec<u8>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `aes_ecb_encrypt`
[INFO] [stdout]    --> src/main.rs:425:4
[INFO] [stdout]     |
[INFO] [stdout] 425 | fn aes_ecb_encrypt<T: AsRef<[u8]>, S: AsRef<[u8]>>(input: T, key: S, pad: bool) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `aes_cbc_encrypt`
[INFO] [stdout]    --> src/main.rs:450:4
[INFO] [stdout]     |
[INFO] [stdout] 450 | fn aes_cbc_encrypt<I: AsRef<[u8]>, P: AsRef<[u8]>, T: AsRef<[u8]>>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `aes_cbc_decrypt`
[INFO] [stdout]    --> src/main.rs:507:4
[INFO] [stdout]     |
[INFO] [stdout] 507 | fn aes_cbc_decrypt<I: AsRef<[u8]>, P: AsRef<[u8]>, T: AsRef<[u8]>>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CBC`
[INFO] [stdout]    --> src/main.rs:566:5
[INFO] [stdout]     |
[INFO] [stdout] 566 |     CBC,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ECB`
[INFO] [stdout]    --> src/main.rs:567:5
[INFO] [stdout]     |
[INFO] [stdout] 567 |     ECB,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encryption_oracle`
[INFO] [stdout]    --> src/main.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn encryption_oracle<T: AsRef<[u8]>>(plain_text: T) -> OracleOutput {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `S2_S12_UNKNOWN_STRING`
[INFO] [stdout]    --> src/main.rs:623:1
[INFO] [stdout]     |
[INFO] [stdout] 623 | / const S2_S12_UNKNOWN_STRING: &'static str =
[INFO] [stdout] 624 | |     "Um9sbGluJyBpbiBteSA1LjAKV2l0aCBteSByYWctdG9wIGRvd24gc28gbXkg\
[INFO] [stdout] 625 | |                                aGFpciBjYW4gYmxvdwpUaGUgZ2lybGllcyBvbiBzdGFuZGJ5IHdhdmluZyBq\
[INFO] [stdout] 626 | |                                dXN0IHRvIHNheSBoaQpEaWQgeW91IHN0b3A/IE5vLCBJIGp1c3QgZHJvdmUg\
[INFO] [stdout] 627 | |                                YnkK";
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `s2_c12_encryption_oracle`
[INFO] [stdout]    --> src/main.rs:629:4
[INFO] [stdout]     |
[INFO] [stdout] 629 | fn s2_c12_encryption_oracle<T: AsRef<[u8]>>(plain_text: T) -> OracleOutput {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `s2_c12_detect_block_size`
[INFO] [stdout]    --> src/main.rs:644:4
[INFO] [stdout]     |
[INFO] [stdout] 644 | fn s2_c12_detect_block_size() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bytes_as_ascii`
[INFO] [stdout]    --> src/main.rs:656:4
[INFO] [stdout]     |
[INFO] [stdout] 656 | fn bytes_as_ascii<T: AsRef<[u8]>>(bytes: T, block_size: usize) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_lookup_hashmap`
[INFO] [stdout]    --> src/main.rs:666:4
[INFO] [stdout]     |
[INFO] [stdout] 666 | fn make_lookup_hashmap(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bytes_as_ascii`
[INFO] [stdout]    --> src/main.rs:656:4
[INFO] [stdout]     |
[INFO] [stdout] 656 | fn bytes_as_ascii<T: AsRef<[u8]>>(bytes: T, block_size: usize) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.80s
[INFO] running `Command { std: "docker" "inspect" "80cfc8c690d6170ed40f0f4f9d643361cbd91e0a696ada4fc76c459cddd08910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cfc8c690d6170ed40f0f4f9d643361cbd91e0a696ada4fc76c459cddd08910", kill_on_drop: false }`
[INFO] [stdout] 80cfc8c690d6170ed40f0f4f9d643361cbd91e0a696ada4fc76c459cddd08910