[INFO] cloning repository https://github.com/bgillespie/cryptopals-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bgillespie/cryptopals-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2Fcryptopals-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2Fcryptopals-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b05393e0ba792b77d9a3319793cce3ab1dda1b1
[INFO] testing bgillespie/cryptopals-challenges against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2Fcryptopals-challenges" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bgillespie/cryptopals-challenges on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bgillespie/cryptopals-challenges
[INFO] finished tweaking git repo https://github.com/bgillespie/cryptopals-challenges
[INFO] tweaked toml for git repo https://github.com/bgillespie/cryptopals-challenges written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/bgillespie/cryptopals-challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46cee3d106f5bc84dd59db8d73c1070a01c7ef70ad4c40573565e4c3dde40d61
[INFO] running `Command { std: "docker" "start" "-a" "46cee3d106f5bc84dd59db8d73c1070a01c7ef70ad4c40573565e4c3dde40d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46cee3d106f5bc84dd59db8d73c1070a01c7ef70ad4c40573565e4c3dde40d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cee3d106f5bc84dd59db8d73c1070a01c7ef70ad4c40573565e4c3dde40d61", kill_on_drop: false }`
[INFO] [stdout] 46cee3d106f5bc84dd59db8d73c1070a01c7ef70ad4c40573565e4c3dde40d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2023b8e96caeb59539d01132ef56d63bc71f334b0ff9a6e2b9f10bad9f35e957
[INFO] running `Command { std: "docker" "start" "-a" "2023b8e96caeb59539d01132ef56d63bc71f334b0ff9a6e2b9f10bad9f35e957", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling cryptopals-challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::File`, `io::Read`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs::File, io::Read};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use thiserror;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::challenges::bytes::hamming_distance`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::challenges::bytes::hamming_distance;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SourcesDifferingLength`
[INFO] [stdout]   --> src/challenges/bytes.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     SourcesDifferingLength,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `FixedXorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/challenges/bytes.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Error, Debug)]
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fixed_xor`
[INFO] [stdout]   --> src/challenges/bytes.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn fixed_xor(a: &[u8], b: &[u8]) -> Result<Vec<u8>, FixedXorError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadInputLength`
[INFO] [stdout]   --> src/challenges/bytes.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     BadInputLength,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `HammingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/challenges/bytes.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming_weight`
[INFO] [stdout]   --> src/challenges/bytes.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn hamming_weight(x: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming_distance`
[INFO] [stdout]   --> src/challenges/bytes.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn hamming_distance(a: &[u8], b: &[u8]) -> Rezult<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BASE64`
[INFO] [stdout]   --> src/challenges/bytes.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | / const BASE64: [char; 64] = [
[INFO] [stdout] 94 | |     'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
[INFO] [stdout] 95 | |     'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
[INFO] [stdout] 96 | |     'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4',
[INFO] [stdout] 97 | |     '5', '6', '7', '8', '9', '+', '/',
[INFO] [stdout] 98 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]    --> src/challenges/bytes.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn encode(bytes: &[u8]) -> String {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_bytes`
[INFO] [stdout]    --> src/challenges/bytes.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn encode_bytes(bytes: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rezult`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Rezult<T> = Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "2023b8e96caeb59539d01132ef56d63bc71f334b0ff9a6e2b9f10bad9f35e957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2023b8e96caeb59539d01132ef56d63bc71f334b0ff9a6e2b9f10bad9f35e957", kill_on_drop: false }`
[INFO] [stdout] 2023b8e96caeb59539d01132ef56d63bc71f334b0ff9a6e2b9f10bad9f35e957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea6fd8909dd02cf2a58fd804eebe730ad8c8881de69f88ef5652b0e9ec1bfc97
[INFO] running `Command { std: "docker" "start" "-a" "ea6fd8909dd02cf2a58fd804eebe730ad8c8881de69f88ef5652b0e9ec1bfc97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cryptopals-challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::File`, `io::Read`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs::File, io::Read};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use thiserror;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::challenges::bytes::hamming_distance`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::challenges::bytes::hamming_distance;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rezult`
[INFO] [stdout]  --> src/solutions/set_1_challenge_6.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Rezult<T> = Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "ea6fd8909dd02cf2a58fd804eebe730ad8c8881de69f88ef5652b0e9ec1bfc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6fd8909dd02cf2a58fd804eebe730ad8c8881de69f88ef5652b0e9ec1bfc97", kill_on_drop: false }`
[INFO] [stdout] ea6fd8909dd02cf2a58fd804eebe730ad8c8881de69f88ef5652b0e9ec1bfc97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5854fb49018de5bc9e1d976671a6143e4addfa4ad3e3e63c7106ab11350ce5fe
[INFO] running `Command { std: "docker" "start" "-a" "5854fb49018de5bc9e1d976671a6143e4addfa4ad3e3e63c7106ab11350ce5fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `fs::File`, `io::Read`
[INFO] [stderr]  --> src/solutions/set_1_challenge_6.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fs::File, io::Read};
[INFO] [stderr]   |           ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thiserror`
[INFO] [stderr]  --> src/solutions/set_1_challenge_6.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use thiserror;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::challenges::bytes::hamming_distance`
[INFO] [stderr]  --> src/solutions/set_1_challenge_6.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::challenges::bytes::hamming_distance;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Rezult`
[INFO] [stderr]  --> src/solutions/set_1_challenge_6.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Rezult<T> = Result<T, Box<dyn std::error::Error>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cryptopals-challenges` (bin "cryptopals-challenges" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cryptopals_challenges-4e9a697f6626019d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test challenges::bytes::test::test_bytes_to_hex ... ok
[INFO] [stdout] test challenges::bytes::test::test_encode ... ok
[INFO] [stdout] test challenges::bytes::test::test_fixed_xor ... ok
[INFO] [stdout] test challenges::bytes::test::test_hamming_distance ... ok
[INFO] [stdout] test challenges::bytes::test::test_hex_to_bytes ... ok
[INFO] [stdout] test challenges::bytes::test::test_repeating_key_xor ... ok
[INFO] [stdout] test challenges::utils::test::test_discard_empty_lines ... ok
[INFO] [stdout] test challenges::utils::test::test_frequencies ... ok
[INFO] [stdout] test challenges::utils::test::test_most_popular ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5854fb49018de5bc9e1d976671a6143e4addfa4ad3e3e63c7106ab11350ce5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5854fb49018de5bc9e1d976671a6143e4addfa4ad3e3e63c7106ab11350ce5fe", kill_on_drop: false }`
[INFO] [stdout] 5854fb49018de5bc9e1d976671a6143e4addfa4ad3e3e63c7106ab11350ce5fe