[INFO] cloning repository https://github.com/damiansarnecki/cryptopals-solutions-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/damiansarnecki/cryptopals-solutions-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamiansarnecki%2Fcryptopals-solutions-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamiansarnecki%2Fcryptopals-solutions-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dd745a343422f81e52c75cc42333840085bab61
[INFO] checking damiansarnecki/cryptopals-solutions-rust against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamiansarnecki%2Fcryptopals-solutions-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/damiansarnecki/cryptopals-solutions-rust
[INFO] finished tweaking git repo https://github.com/damiansarnecki/cryptopals-solutions-rust
[INFO] tweaked toml for git repo https://github.com/damiansarnecki/cryptopals-solutions-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/damiansarnecki/cryptopals-solutions-rust on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/damiansarnecki/cryptopals-solutions-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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7614c466a2ff6d4c83e1ab21f40c2913ddd3b49381777ac73936c0cfaff8868c
[INFO] running `Command { std: "docker" "start" "-a" "7614c466a2ff6d4c83e1ab21f40c2913ddd3b49381777ac73936c0cfaff8868c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7614c466a2ff6d4c83e1ab21f40c2913ddd3b49381777ac73936c0cfaff8868c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7614c466a2ff6d4c83e1ab21f40c2913ddd3b49381777ac73936c0cfaff8868c", kill_on_drop: false }`
[INFO] [stdout] 7614c466a2ff6d4c83e1ab21f40c2913ddd3b49381777ac73936c0cfaff8868c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85f9607731b6e4292561ce58919cc7404972c981a35a856eac5c1c1bfa4daef3
[INFO] running `Command { std: "docker" "start" "-a" "85f9607731b6e4292561ce58919cc7404972c981a35a856eac5c1c1bfa4daef3", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking cryptopals-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, and `Result`
[INFO] [stdout]  --> src/challenges/set1/ch3.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Error, ErrorKind, Result};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, `Result`, and `self`
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{self, File}, io::{self, BufRead, Error, ErrorKind, Result}};
[INFO] [stdout]   |                ^^^^                             ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ch2::xor_buffers`
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{ch2::xor_buffers, ch3::{estimate_english_text_score, find_best_decrypt_result}};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `ErrorKind`, `Error`, `File`, `Result`, `self`, and `self`
[INFO] [stdout]  --> src/challenges/set1/ch5.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^  ^^^^
[INFO] [stdout] 3 |     io::{self, BufRead, Error, ErrorKind, Result},
[INFO] [stdout]   |          ^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ch2::xor_buffers`, `estimate_english_text_score`, and `find_best_decrypt_result`
[INFO] [stdout]  --> src/challenges/set1/ch5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ch2::xor_buffers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     ch3::{estimate_english_text_score, find_best_decrypt_result},
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, and `Result`
[INFO] [stdout]  --> src/challenges/set1/ch3.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Error, ErrorKind, Result};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, `Result`, and `self`
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{self, File}, io::{self, BufRead, Error, ErrorKind, Result}};
[INFO] [stdout]   |                ^^^^                             ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ch2::xor_buffers`
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{ch2::xor_buffers, ch3::{estimate_english_text_score, find_best_decrypt_result}};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `ErrorKind`, `Error`, `File`, `Result`, `self`, and `self`
[INFO] [stdout]  --> src/challenges/set1/ch5.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::{self, File},
[INFO] [stdout]   |          ^^^^  ^^^^
[INFO] [stdout] 3 |     io::{self, BufRead, Error, ErrorKind, Result},
[INFO] [stdout]   |          ^^^^  ^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ch2::xor_buffers`, `estimate_english_text_score`, and `find_best_decrypt_result`
[INFO] [stdout]  --> src/challenges/set1/ch5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ch2::xor_buffers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     ch3::{estimate_english_text_score, find_best_decrypt_result},
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:5:51
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_single_xor_encrypted_string_from_file(file: &str) ->  Vec<u8> {
[INFO] [stdout]   |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:5:51
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_single_xor_encrypted_string_from_file(file: &str) ->  Vec<u8> {
[INFO] [stdout]   |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_to_base64` is never used
[INFO] [stdout]  --> src/challenges/set1/ch1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hex_to_base64(hex_str: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor_buffers` is never used
[INFO] [stdout]  --> src/challenges/set1/ch2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn xor_buffers(b1: &Vec<u8>, b2: &Vec<u8>) -> Result<Vec<u8>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt` is never used
[INFO] [stdout]  --> src/challenges/set1/ch3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn decrypt(input: &Vec<u8>, key: u8) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_decrypt_result` is never used
[INFO] [stdout]   --> src/challenges/set1/ch3.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn find_best_decrypt_result(input : Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `estimate_english_text_score` is never used
[INFO] [stdout]   --> src/challenges/set1/ch3.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn estimate_english_text_score(input : &Vec<u8>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_single_xor_encrypted_string_from_file` is never used
[INFO] [stdout]  --> src/challenges/set1/ch4.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn find_single_xor_encrypted_string_from_file(file: &str) ->  Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encrypt_with_repeated_key_xor` is never used
[INFO] [stdout]   --> src/challenges/set1/ch5.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn encrypt_with_repeated_key_xor(input: &Vec<u8>, key: &Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "85f9607731b6e4292561ce58919cc7404972c981a35a856eac5c1c1bfa4daef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f9607731b6e4292561ce58919cc7404972c981a35a856eac5c1c1bfa4daef3", kill_on_drop: false }`
[INFO] [stdout] 85f9607731b6e4292561ce58919cc7404972c981a35a856eac5c1c1bfa4daef3