[INFO] cloning repository https://github.com/oerni74/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/oerni74/cryptopals-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foerni74%2Fcryptopals-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foerni74%2Fcryptopals-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c37f067efdb539e8a912088891f036659ecdc453
[INFO] checking oerni74/cryptopals-rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foerni74%2Fcryptopals-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oerni74/cryptopals-rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oerni74/cryptopals-rust
[INFO] finished tweaking git repo https://github.com/oerni74/cryptopals-rust
[INFO] tweaked toml for git repo https://github.com/oerni74/cryptopals-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/oerni74/cryptopals-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 4e9ec78fbf4cea5b4b9b8cf02d94f74252910d97a8efb99f9be1a9510fecdab4
[INFO] running `Command { std: "docker" "start" "-a" "4e9ec78fbf4cea5b4b9b8cf02d94f74252910d97a8efb99f9be1a9510fecdab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e9ec78fbf4cea5b4b9b8cf02d94f74252910d97a8efb99f9be1a9510fecdab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9ec78fbf4cea5b4b9b8cf02d94f74252910d97a8efb99f9be1a9510fecdab4", kill_on_drop: false }`
[INFO] [stdout] 4e9ec78fbf4cea5b4b9b8cf02d94f74252910d97a8efb99f9be1a9510fecdab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a3961fa4a49f3151e96b489125858eb62a2bb77496d86b96a99fbd15986ca6
[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" "69a3961fa4a49f3151e96b489125858eb62a2bb77496d86b96a99fbd15986ca6", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking set1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/challenge1_and_2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/challenge1_and_2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! hashmap {
[INFO] [stdout] 8  | |     // macro takes one argument, which can repeat zero or more times (* indicates that)
[INFO] [stdout] 9  | |     ($( $key: expr => $val: expr ),*) => {{
[INFO] [stdout] 10 | |          // macro expands to this block
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }}
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/challenge1_and_2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/challenge1_and_2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! hashmap {
[INFO] [stdout] 8  | |     // macro takes one argument, which can repeat zero or more times (* indicates that)
[INFO] [stdout] 9  | |     ($( $key: expr => $val: expr ),*) => {{
[INFO] [stdout] 10 | |          // macro expands to this block
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }}
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/challenge3.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut result = String::from("");
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score` is never read
[INFO] [stdout]   --> src/challenge3.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut score = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_english_frequencies_as_map`
[INFO] [stdout]  --> src/challenge3.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_english_frequencies_as_map() -> HashMap<char, f64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `single_char_xor`
[INFO] [stdout]   --> src/challenge3.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn single_char_xor(input: &str, c: u8) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `score_text`
[INFO] [stdout]   --> src/challenge3.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn score_text(input: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decrypt_single_char_xor_cipher`
[INFO] [stdout]   --> src/challenge3.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn decrypt_single_char_xor_cipher(input: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_single_char_xored_text`
[INFO] [stdout]  --> src/challenge4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_single_char_xored_text() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeated_xor`
[INFO] [stdout]  --> src/challenge5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn repeated_xor(input: &str, key: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `break_it`
[INFO] [stdout]  --> src/challenge6.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn break_it() {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/challenge3.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut result = String::from("");
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score` is never read
[INFO] [stdout]   --> src/challenge3.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut score = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_hex_to_base64`
[INFO] [stdout]  --> src/challenge1_and_2.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn encode_hex_to_base64(input: &str) -> 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/challenge1_and_2.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn xor(arg1: &str, arg2: &str) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_english_frequencies_as_map`
[INFO] [stdout]  --> src/challenge3.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_english_frequencies_as_map() -> HashMap<char, f64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `single_char_xor`
[INFO] [stdout]   --> src/challenge3.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn single_char_xor(input: &str, c: u8) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `score_text`
[INFO] [stdout]   --> src/challenge3.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn score_text(input: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decrypt_single_char_xor_cipher`
[INFO] [stdout]   --> src/challenge3.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn decrypt_single_char_xor_cipher(input: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_single_char_xored_text`
[INFO] [stdout]  --> src/challenge4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_single_char_xored_text() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeated_xor`
[INFO] [stdout]  --> src/challenge5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn repeated_xor(input: &str, key: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `break_it`
[INFO] [stdout]  --> src/challenge6.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn break_it() {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "69a3961fa4a49f3151e96b489125858eb62a2bb77496d86b96a99fbd15986ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a3961fa4a49f3151e96b489125858eb62a2bb77496d86b96a99fbd15986ca6", kill_on_drop: false }`
[INFO] [stdout] 69a3961fa4a49f3151e96b489125858eb62a2bb77496d86b96a99fbd15986ca6