Dec 17 17:17:58.685 INFO checking ralphrecto/cryptopals against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:17:58.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/ralphrecto/cryptopals:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:17:59.119 INFO [stdout] 95f61541e5d8a29fb958b1bd146cb14dbc32c18eecaf4b8aa6f4f5b09702418a
Dec 17 17:17:59.121 INFO running `"docker" "start" "-a" "95f61541e5d8a29fb958b1bd146cb14dbc32c18eecaf4b8aa6f4f5b09702418a"`
Dec 17 17:18:00.548 INFO [stderr]     Checking base64 v0.7.0
Dec 17 17:18:01.147 INFO [stderr]     Checking cryptopals v0.1.0 (/opt/crater/workdir)
Dec 17 17:18:01.366 INFO [stderr] warning: unused import: `cryptopals::strutils`
Dec 17 17:18:01.366 INFO [stderr]  --> src/cryptopals/set1.rs:6:5
Dec 17 17:18:01.366 INFO [stderr]   |
Dec 17 17:18:01.366 INFO [stderr] 6 | use cryptopals::strutils;
Dec 17 17:18:01.367 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.367 INFO [stderr]   |
Dec 17 17:18:01.367 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:18:01.367 INFO [stderr] 
Dec 17 17:18:01.368 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 17:18:01.368 INFO [stderr]   --> src/cryptopals/hexutils.rs:65:14
Dec 17 17:18:01.368 INFO [stderr]    |
Dec 17 17:18:01.368 INFO [stderr] 65 |     for i in (0..8) {
Dec 17 17:18:01.368 INFO [stderr]    |              ^^^^^^ help: remove these parentheses
Dec 17 17:18:01.368 INFO [stderr]    |
Dec 17 17:18:01.368 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 17:18:01.368 INFO [stderr] 
Dec 17 17:18:01.368 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 17 17:18:01.368 INFO [stderr]  --> src/cryptopals/freq_analysis.rs:2:5
Dec 17 17:18:01.368 INFO [stderr]   |
Dec 17 17:18:01.368 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 17 17:18:01.369 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.369 INFO [stderr] 
Dec 17 17:18:01.384 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 17 17:18:01.384 INFO [stderr]  --> src/cryptopals/freq_analysis.rs:2:5
Dec 17 17:18:01.384 INFO [stderr]   |
Dec 17 17:18:01.384 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 17 17:18:01.384 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.384 INFO [stderr]   |
Dec 17 17:18:01.384 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 17:18:01.384 INFO [stderr] 
Dec 17 17:18:01.417 INFO [stderr] warning: unused import: `cryptopals::strutils`
Dec 17 17:18:01.417 INFO [stderr]  --> src/cryptopals/set1.rs:6:5
Dec 17 17:18:01.417 INFO [stderr]   |
Dec 17 17:18:01.417 INFO [stderr] 6 | use cryptopals::strutils;
Dec 17 17:18:01.417 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.417 INFO [stderr]   |
Dec 17 17:18:01.417 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:18:01.417 INFO [stderr] 
Dec 17 17:18:01.417 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 17:18:01.417 INFO [stderr]   --> src/cryptopals/hexutils.rs:65:14
Dec 17 17:18:01.417 INFO [stderr]    |
Dec 17 17:18:01.417 INFO [stderr] 65 |     for i in (0..8) {
Dec 17 17:18:01.418 INFO [stderr]    |              ^^^^^^ help: remove these parentheses
Dec 17 17:18:01.418 INFO [stderr]    |
Dec 17 17:18:01.418 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 17:18:01.418 INFO [stderr] 
Dec 17 17:18:01.418 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 17 17:18:01.418 INFO [stderr]  --> src/cryptopals/freq_analysis.rs:2:5
Dec 17 17:18:01.418 INFO [stderr]   |
Dec 17 17:18:01.418 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 17 17:18:01.418 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.418 INFO [stderr] 
Dec 17 17:18:01.436 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 17 17:18:01.436 INFO [stderr]  --> src/cryptopals/freq_analysis.rs:2:5
Dec 17 17:18:01.436 INFO [stderr]   |
Dec 17 17:18:01.436 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 17 17:18:01.436 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.436 INFO [stderr]   |
Dec 17 17:18:01.436 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 17:18:01.436 INFO [stderr] 
Dec 17 17:18:01.496 INFO [stderr] warning: unused variable: `v1`
Dec 17 17:18:01.496 INFO [stderr]   --> src/cryptopals/set1.rs:65:9
Dec 17 17:18:01.496 INFO [stderr]    |
Dec 17 17:18:01.496 INFO [stderr] 65 |     let v1: Vec<u8> = hexutils::str_to_bytevec("this is a test");
Dec 17 17:18:01.496 INFO [stderr]    |         ^^ help: consider using `_v1` instead
Dec 17 17:18:01.496 INFO [stderr]    |
Dec 17 17:18:01.496 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:18:01.496 INFO [stderr] 
Dec 17 17:18:01.496 INFO [stderr] warning: unused variable: `v2`
Dec 17 17:18:01.496 INFO [stderr]   --> src/cryptopals/set1.rs:66:9
Dec 17 17:18:01.496 INFO [stderr]    |
Dec 17 17:18:01.496 INFO [stderr] 66 |     let v2: Vec<u8> = hexutils::str_to_bytevec("wokka wokka!!!");
Dec 17 17:18:01.496 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 17 17:18:01.496 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `challenge1`
Dec 17 17:18:01.539 INFO [stderr]  --> src/cryptopals/set1.rs:8:1
Dec 17 17:18:01.539 INFO [stderr]   |
Dec 17 17:18:01.539 INFO [stderr] 8 | pub fn challenge1() -> () {
Dec 17 17:18:01.539 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.539 INFO [stderr]   |
Dec 17 17:18:01.539 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 17:18:01.539 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `challenge2`
Dec 17 17:18:01.539 INFO [stderr]   --> src/cryptopals/set1.rs:13:1
Dec 17 17:18:01.539 INFO [stderr]    |
Dec 17 17:18:01.539 INFO [stderr] 13 | pub fn challenge2() -> () {
Dec 17 17:18:01.539 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.539 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `chi_square_printer`
Dec 17 17:18:01.539 INFO [stderr]   --> src/cryptopals/set1.rs:28:1
Dec 17 17:18:01.539 INFO [stderr]    |
Dec 17 17:18:01.539 INFO [stderr] 28 | fn chi_square_printer(word: &str, keyword_and_keys: &Vec<(String, u8)>) -> () {
Dec 17 17:18:01.539 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.539 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `challenge3`
Dec 17 17:18:01.539 INFO [stderr]   --> src/cryptopals/set1.rs:39:1
Dec 17 17:18:01.539 INFO [stderr]    |
Dec 17 17:18:01.539 INFO [stderr] 39 | pub fn challenge3() -> () {
Dec 17 17:18:01.539 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.539 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `challenge4`
Dec 17 17:18:01.539 INFO [stderr]   --> src/cryptopals/set1.rs:45:1
Dec 17 17:18:01.539 INFO [stderr]    |
Dec 17 17:18:01.539 INFO [stderr] 45 | pub fn challenge4() -> () {
Dec 17 17:18:01.539 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.539 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `challenge5`
Dec 17 17:18:01.539 INFO [stderr]   --> src/cryptopals/set1.rs:55:1
Dec 17 17:18:01.539 INFO [stderr]    |
Dec 17 17:18:01.539 INFO [stderr] 55 | pub fn challenge5() -> () {
Dec 17 17:18:01.539 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.539 INFO [stderr] 
Dec 17 17:18:01.539 INFO [stderr] warning: function is never used: `hex_to_nibble`
Dec 17 17:18:01.540 INFO [stderr]  --> src/cryptopals/hexutils.rs:4:1
Dec 17 17:18:01.540 INFO [stderr]   |
Dec 17 17:18:01.540 INFO [stderr] 4 | pub fn hex_to_nibble(s: char) -> u8 {
Dec 17 17:18:01.540 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.540 INFO [stderr] warning: function is never used: `nibble_to_hex`
Dec 17 17:18:01.540 INFO [stderr]   --> src/cryptopals/hexutils.rs:13:1
Dec 17 17:18:01.540 INFO [stderr]    |
Dec 17 17:18:01.540 INFO [stderr] 13 | pub fn nibble_to_hex(b: u8) -> char {
Dec 17 17:18:01.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.540 INFO [stderr] warning: function is never used: `hexstr_to_bytevec`
Dec 17 17:18:01.540 INFO [stderr]   --> src/cryptopals/hexutils.rs:36:1
Dec 17 17:18:01.540 INFO [stderr]    |
Dec 17 17:18:01.540 INFO [stderr] 36 | pub fn hexstr_to_bytevec(s: &str) -> Vec<u8> {
Dec 17 17:18:01.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.540 INFO [stderr] warning: function is never used: `bytevec_to_hexstr`
Dec 17 17:18:01.540 INFO [stderr]   --> src/cryptopals/hexutils.rs:52:1
Dec 17 17:18:01.540 INFO [stderr]    |
Dec 17 17:18:01.540 INFO [stderr] 52 | pub fn bytevec_to_hexstr(v: &Vec<u8>) -> String {
Dec 17 17:18:01.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.540 INFO [stderr] warning: function is never used: `count_set_bits`
Dec 17 17:18:01.540 INFO [stderr]   --> src/cryptopals/hexutils.rs:62:1
Dec 17 17:18:01.540 INFO [stderr]    |
Dec 17 17:18:01.540 INFO [stderr] 62 | pub fn count_set_bits(v: u8) -> u8 {
Dec 17 17:18:01.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.540 INFO [stderr] warning: function is never used: `letter_freq`
Dec 17 17:18:01.540 INFO [stderr]  --> src/cryptopals/freq_analysis.rs:4:1
Dec 17 17:18:01.540 INFO [stderr]   |
Dec 17 17:18:01.540 INFO [stderr] 4 | fn letter_freq(c: char) -> Option<f64> {
Dec 17 17:18:01.540 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.540 INFO [stderr] warning: function is never used: `chi_square`
Dec 17 17:18:01.540 INFO [stderr]   --> src/cryptopals/freq_analysis.rs:46:1
Dec 17 17:18:01.540 INFO [stderr]    |
Dec 17 17:18:01.540 INFO [stderr] 46 | pub fn chi_square(text: &str) -> Option<f64> {
Dec 17 17:18:01.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.540 INFO [stderr] 
Dec 17 17:18:01.541 INFO [stderr] warning: function is never used: `read_file`
Dec 17 17:18:01.541 INFO [stderr]  --> src/cryptopals/fileutils.rs:6:1
Dec 17 17:18:01.542 INFO [stderr]   |
Dec 17 17:18:01.542 INFO [stderr] 6 | pub fn read_file(pathstr: &str) -> io::Result<String> {
Dec 17 17:18:01.542 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.542 INFO [stderr] 
Dec 17 17:18:01.542 INFO [stderr] warning: function is never used: `read_lines`
Dec 17 17:18:01.542 INFO [stderr]   --> src/cryptopals/fileutils.rs:13:1
Dec 17 17:18:01.542 INFO [stderr]    |
Dec 17 17:18:01.542 INFO [stderr] 13 | pub fn read_lines(pathstr: &str) -> io::Result<Vec<String>> {
Dec 17 17:18:01.542 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.542 INFO [stderr] 
Dec 17 17:18:01.542 INFO [stderr] warning: function is never used: `bytexor_keygen`
Dec 17 17:18:01.542 INFO [stderr]  --> src/cryptopals/xorutils.rs:6:1
Dec 17 17:18:01.542 INFO [stderr]   |
Dec 17 17:18:01.542 INFO [stderr] 6 | pub fn bytexor_keygen(s: &str) -> Vec<(String, u8)> {
Dec 17 17:18:01.542 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.542 INFO [stderr] 
Dec 17 17:18:01.542 INFO [stderr] warning: function is never used: `rolling_xor`
Dec 17 17:18:01.542 INFO [stderr]   --> src/cryptopals/xorutils.rs:19:1
Dec 17 17:18:01.542 INFO [stderr]    |
Dec 17 17:18:01.542 INFO [stderr] 19 | pub fn rolling_xor(v: &Vec<u8>, key: &Vec<u8>) -> Vec<u8> {
Dec 17 17:18:01.542 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.542 INFO [stderr] 
Dec 17 17:18:01.542 INFO [stderr] warning: function is never used: `hamming_dist`
Dec 17 17:18:01.542 INFO [stderr]  --> src/cryptopals/strutils.rs:6:1
Dec 17 17:18:01.542 INFO [stderr]   |
Dec 17 17:18:01.542 INFO [stderr] 6 | pub fn hamming_dist(v1: &Vec<u8>, v2: &Vec<u8>) -> u32 {
Dec 17 17:18:01.542 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.542 INFO [stderr] 
Dec 17 17:18:01.544 INFO [stderr] warning: unused variable: `v1`
Dec 17 17:18:01.544 INFO [stderr]   --> src/cryptopals/set1.rs:65:9
Dec 17 17:18:01.544 INFO [stderr]    |
Dec 17 17:18:01.544 INFO [stderr] 65 |     let v1: Vec<u8> = hexutils::str_to_bytevec("this is a test");
Dec 17 17:18:01.544 INFO [stderr]    |         ^^ help: consider using `_v1` instead
Dec 17 17:18:01.544 INFO [stderr]    |
Dec 17 17:18:01.544 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:18:01.544 INFO [stderr] 
Dec 17 17:18:01.544 INFO [stderr] warning: unused variable: `v2`
Dec 17 17:18:01.544 INFO [stderr]   --> src/cryptopals/set1.rs:66:9
Dec 17 17:18:01.544 INFO [stderr]    |
Dec 17 17:18:01.544 INFO [stderr] 66 |     let v2: Vec<u8> = hexutils::str_to_bytevec("wokka wokka!!!");
Dec 17 17:18:01.544 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 17 17:18:01.544 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `challenge1`
Dec 17 17:18:01.609 INFO [stderr]  --> src/cryptopals/set1.rs:8:1
Dec 17 17:18:01.609 INFO [stderr]   |
Dec 17 17:18:01.609 INFO [stderr] 8 | pub fn challenge1() -> () {
Dec 17 17:18:01.609 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr]   |
Dec 17 17:18:01.609 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `challenge2`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/set1.rs:13:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 13 | pub fn challenge2() -> () {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `chi_square_printer`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/set1.rs:28:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 28 | fn chi_square_printer(word: &str, keyword_and_keys: &Vec<(String, u8)>) -> () {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `challenge3`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/set1.rs:39:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 39 | pub fn challenge3() -> () {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `challenge4`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/set1.rs:45:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 45 | pub fn challenge4() -> () {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `challenge5`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/set1.rs:55:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 55 | pub fn challenge5() -> () {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `hex_to_nibble`
Dec 17 17:18:01.609 INFO [stderr]  --> src/cryptopals/hexutils.rs:4:1
Dec 17 17:18:01.609 INFO [stderr]   |
Dec 17 17:18:01.609 INFO [stderr] 4 | pub fn hex_to_nibble(s: char) -> u8 {
Dec 17 17:18:01.609 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `nibble_to_hex`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/hexutils.rs:13:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 13 | pub fn nibble_to_hex(b: u8) -> char {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `hexstr_to_bytevec`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/hexutils.rs:36:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 36 | pub fn hexstr_to_bytevec(s: &str) -> Vec<u8> {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `bytevec_to_hexstr`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/hexutils.rs:52:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 52 | pub fn bytevec_to_hexstr(v: &Vec<u8>) -> String {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `count_set_bits`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/hexutils.rs:62:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 62 | pub fn count_set_bits(v: u8) -> u8 {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `letter_freq`
Dec 17 17:18:01.609 INFO [stderr]  --> src/cryptopals/freq_analysis.rs:4:1
Dec 17 17:18:01.609 INFO [stderr]   |
Dec 17 17:18:01.609 INFO [stderr] 4 | fn letter_freq(c: char) -> Option<f64> {
Dec 17 17:18:01.609 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `chi_square`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/freq_analysis.rs:46:1
Dec 17 17:18:01.609 INFO [stderr]    |
Dec 17 17:18:01.609 INFO [stderr] 46 | pub fn chi_square(text: &str) -> Option<f64> {
Dec 17 17:18:01.609 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `read_file`
Dec 17 17:18:01.609 INFO [stderr]  --> src/cryptopals/fileutils.rs:6:1
Dec 17 17:18:01.609 INFO [stderr]   |
Dec 17 17:18:01.609 INFO [stderr] 6 | pub fn read_file(pathstr: &str) -> io::Result<String> {
Dec 17 17:18:01.609 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.609 INFO [stderr] 
Dec 17 17:18:01.609 INFO [stderr] warning: function is never used: `read_lines`
Dec 17 17:18:01.609 INFO [stderr]   --> src/cryptopals/fileutils.rs:13:1
Dec 17 17:18:01.610 INFO [stderr]    |
Dec 17 17:18:01.610 INFO [stderr] 13 | pub fn read_lines(pathstr: &str) -> io::Result<Vec<String>> {
Dec 17 17:18:01.610 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.610 INFO [stderr] 
Dec 17 17:18:01.610 INFO [stderr] warning: function is never used: `bytexor_keygen`
Dec 17 17:18:01.610 INFO [stderr]  --> src/cryptopals/xorutils.rs:6:1
Dec 17 17:18:01.610 INFO [stderr]   |
Dec 17 17:18:01.610 INFO [stderr] 6 | pub fn bytexor_keygen(s: &str) -> Vec<(String, u8)> {
Dec 17 17:18:01.610 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.610 INFO [stderr] 
Dec 17 17:18:01.610 INFO [stderr] warning: function is never used: `rolling_xor`
Dec 17 17:18:01.610 INFO [stderr]   --> src/cryptopals/xorutils.rs:19:1
Dec 17 17:18:01.610 INFO [stderr]    |
Dec 17 17:18:01.610 INFO [stderr] 19 | pub fn rolling_xor(v: &Vec<u8>, key: &Vec<u8>) -> Vec<u8> {
Dec 17 17:18:01.610 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.610 INFO [stderr] 
Dec 17 17:18:01.610 INFO [stderr] warning: function is never used: `hamming_dist`
Dec 17 17:18:01.610 INFO [stderr]  --> src/cryptopals/strutils.rs:6:1
Dec 17 17:18:01.610 INFO [stderr]   |
Dec 17 17:18:01.610 INFO [stderr] 6 | pub fn hamming_dist(v1: &Vec<u8>, v2: &Vec<u8>) -> u32 {
Dec 17 17:18:01.610 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:18:01.610 INFO [stderr] 
Dec 17 17:18:01.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 17 17:18:02.391 INFO running `"docker" "inspect" "95f61541e5d8a29fb958b1bd146cb14dbc32c18eecaf4b8aa6f4f5b09702418a"`
Dec 17 17:18:02.606 INFO running `"docker" "rm" "-f" "95f61541e5d8a29fb958b1bd146cb14dbc32c18eecaf4b8aa6f4f5b09702418a"`
Dec 17 17:18:02.861 INFO [stdout] 95f61541e5d8a29fb958b1bd146cb14dbc32c18eecaf4b8aa6f4f5b09702418a