[INFO] cloning repository https://github.com/bcliden/cryptopals-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bcliden/cryptopals-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcliden%2Fcryptopals-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcliden%2Fcryptopals-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37abad52ac033cdeef0123327327bf8c8e5d3722
[INFO] checking bcliden/cryptopals-solutions against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcliden%2Fcryptopals-solutions" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bcliden/cryptopals-solutions
[INFO] finished tweaking git repo https://github.com/bcliden/cryptopals-solutions
[INFO] tweaked toml for git repo https://github.com/bcliden/cryptopals-solutions written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bcliden/cryptopals-solutions on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bcliden/cryptopals-solutions 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bimap v0.6.2
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543f50bc300f1b2a385363cbb6064768153e125ce89c878ed3cab5c55961b4d4
[INFO] running `Command { std: "docker" "start" "-a" "543f50bc300f1b2a385363cbb6064768153e125ce89c878ed3cab5c55961b4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543f50bc300f1b2a385363cbb6064768153e125ce89c878ed3cab5c55961b4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543f50bc300f1b2a385363cbb6064768153e125ce89c878ed3cab5c55961b4d4", kill_on_drop: false }`
[INFO] [stdout] 543f50bc300f1b2a385363cbb6064768153e125ce89c878ed3cab5c55961b4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08a135e529da9e0b30c1b212e84e4785fe3a7bcdc986dae0bd97bfbba1343fe
[INFO] running `Command { std: "docker" "start" "-a" "d08a135e529da9e0b30c1b212e84e4785fe3a7bcdc986dae0bd97bfbba1343fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking bimap v0.6.2
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decode::decode`
[INFO] [stdout]   --> src/lib/conversion/base64/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use decode::decode;
[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: `encode::encode`
[INFO] [stdout]   --> src/lib/conversion/base64/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use encode::encode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ASCII_UPPERCASE` is never used
[INFO] [stdout]  --> src/lib/analysis.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const ASCII_UPPERCASE: usize = 65;
[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 `ASCII_LOWERCASE` is never used
[INFO] [stdout]  --> src/lib/analysis.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ASCII_LOWERCASE: usize = 97;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENGLISH_FREQ` is never used
[INFO] [stdout]   --> src/lib/analysis.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ENGLISH_FREQ: [f64; 27] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `english_text_score` is never used
[INFO] [stdout]   --> src/lib/analysis.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn english_text_score(string: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_chi2_english` is never used
[INFO] [stdout]   --> src/lib/analysis.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn get_chi2_english(string: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pick_best_english_string` is never used
[INFO] [stdout]   --> src/lib/analysis.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn pick_best_english_string<T: AsRef<str> + Display>(strings: &[T]) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_hamming_distance` is never used
[INFO] [stdout]   --> src/lib/analysis.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn get_hamming_distance(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Alphabet` is never used
[INFO] [stdout]  --> src/lib/conversion/alphabet.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Alphabet {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]  --> src/lib/conversion/base64/decode.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn decode(data: &str) -> Result<Vec<u8>, std::io::Error> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_using_alphabet` is never used
[INFO] [stdout]   --> src/lib/conversion/base64/decode.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn decode_using_alphabet<T: Alphabet>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `original` is never used
[INFO] [stdout]   --> src/lib/conversion/base64/decode.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn original<T: Alphabet>(alphabet: &T, chunk: &[char]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stitch` is never used
[INFO] [stdout]   --> src/lib/conversion/base64/decode.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn stitch(bytes: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> src/lib/conversion/base64/encode.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encode(data: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_using_alphabet` is never used
[INFO] [stdout]   --> src/lib/conversion/base64/encode.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn encode_using_alphabet<T: Alphabet>(alphabet: &T, data: &[u8]) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split` is never used
[INFO] [stdout]   --> src/lib/conversion/base64/encode.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn split(chunk: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_chunk` is never used
[INFO] [stdout]   --> src/lib/conversion/base64/encode.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn encode_chunk<T: Alphabet>(alphabet: &T, chunk: &[u8]) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClassicBase64` is never constructed
[INFO] [stdout]  --> src/lib/conversion/base64/model.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ClassicBase64;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UPPERCASEOFFSET` is never used
[INFO] [stdout]  --> src/lib/conversion/base64/model.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const UPPERCASEOFFSET: i8 = 65;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOWERCASEOFFSET` is never used
[INFO] [stdout]  --> src/lib/conversion/base64/model.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LOWERCASEOFFSET: i8 = 71;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIGITOFFSET` is never used
[INFO] [stdout]  --> src/lib/conversion/base64/model.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const DIGITOFFSET: i8 = -4;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]  --> src/lib/conversion/hex/decode.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn decode(data: &str) -> Result<Vec<u8>, io::Error> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_using_alphabet` is never used
[INFO] [stdout]   --> src/lib/conversion/hex/decode.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn decode_using_alphabet<T: Alphabet>(alphabet: &T, data: &str) -> Result<Vec<u8>, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_bytes` is never used
[INFO] [stdout]   --> src/lib/conversion/hex/decode.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn combine_bytes(bytes: (u8, u8)) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> src/lib/conversion/hex/encode.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn encode(data: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_using_alphabet` is never used
[INFO] [stdout]  --> src/lib/conversion/hex/encode.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn encode_using_alphabet<T: Alphabet>(alphabet: &T, data: &[u8]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_byte` is never used
[INFO] [stdout]   --> src/lib/conversion/hex/encode.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn split_byte(byte: u8) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIGITOFFSET` is never used
[INFO] [stdout]  --> src/lib/conversion/hex/model.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const DIGITOFFSET: u8 = 48;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UPPERCASEOFFSET` is never used
[INFO] [stdout]  --> src/lib/conversion/hex/model.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const UPPERCASEOFFSET: u8 = 65 - 10;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOWERCASEOFFSET` is never used
[INFO] [stdout]  --> src/lib/conversion/hex/model.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LOWERCASEOFFSET: u8 = 97 - 10;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClassicHex` is never constructed
[INFO] [stdout]  --> src/lib/conversion/hex/model.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClassicHex;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XoxSingleCharAnswer` is never constructed
[INFO] [stdout]  --> src/lib/manipulate.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct XoxSingleCharAnswer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_hex_strings` is never used
[INFO] [stdout]   --> src/lib/manipulate.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn xor_hex_strings(left: &str, right: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes_with_char` is never used
[INFO] [stdout]   --> src/lib/manipulate.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn xor_bytes_with_char(bytes: &[u8], operand: u8) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_xor_message_one_char` is never used
[INFO] [stdout]   --> src/lib/manipulate.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn guess_xor_message_one_char(bytes: &[u8]) -> Result<XoxSingleCharAnswer, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_bytes_with_repeating_pattern` is never used
[INFO] [stdout]   --> src/lib/manipulate.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn xor_bytes_with_repeating_pattern(bytes: &[u8], pattern: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/lib/manipulate.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct XoxSingleCharAnswer {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 10 |     pub answer: char,
[INFO] [stdout] 11 |     pub original: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `XoxSingleCharAnswer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decoded` is never read
[INFO] [stdout]    --> src/main.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         struct Answer {
[INFO] [stdout]     |                ------ field in this struct
[INFO] [stdout] 129 |             key: String,
[INFO] [stdout] 130 |             decoded: String,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Answer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "d08a135e529da9e0b30c1b212e84e4785fe3a7bcdc986dae0bd97bfbba1343fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08a135e529da9e0b30c1b212e84e4785fe3a7bcdc986dae0bd97bfbba1343fe", kill_on_drop: false }`
[INFO] [stdout] d08a135e529da9e0b30c1b212e84e4785fe3a7bcdc986dae0bd97bfbba1343fe
