[INFO] updating cached repository bantic/cryptopals-v2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bantic/cryptopals-v2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bantic/cryptopals-v2" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/bantic/cryptopals-v2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/bantic/cryptopals-v2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bantic/cryptopals-v2" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/bantic/cryptopals-v2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/bantic/cryptopals-v2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 907c75dae6599a6a49bf8302384ffbef9537191b
[INFO] sha for GitHub repo bantic/cryptopals-v2: 907c75dae6599a6a49bf8302384ffbef9537191b
[INFO] validating manifest of bantic/cryptopals-v2 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bantic/cryptopals-v2 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bantic/cryptopals-v2
[INFO] finished frobbing bantic/cryptopals-v2
[INFO] frobbed toml for bantic/cryptopals-v2 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/bantic/cryptopals-v2/Cargo.toml
[INFO] started frobbing bantic/cryptopals-v2
[INFO] finished frobbing bantic/cryptopals-v2
[INFO] frobbed toml for bantic/cryptopals-v2 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/bantic/cryptopals-v2/Cargo.toml
[INFO] crate bantic/cryptopals-v2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bantic/cryptopals-v2 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/bantic/cryptopals-v2:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 583f3d319a09dc87ed5e26ea4a1e951c7e99673653f2b2e1168068926fb525a4
[INFO] running `"docker" "start" "-a" "583f3d319a09dc87ed5e26ea4a1e951c7e99673653f2b2e1168068926fb525a4"`
[INFO] [stderr]     Checking cryptopals-v2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `letter_frequency`
[INFO] [stderr]  --> src/set1/mod.rs:5:3
[INFO] [stderr]   |
[INFO] [stderr] 5 |   fn letter_frequency(c: &char) -> f32 {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_alphabetic`
[INFO] [stderr]   --> src/set1/mod.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |   fn is_alphabetic(c: &char) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `chi_squared`
[INFO] [stderr]   --> src/set1/mod.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |   pub fn chi_squared(s: &str) -> f32 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `top_bits`
[INFO] [stderr]   --> src/set1/mod.rs:78:3
[INFO] [stderr]    |
[INFO] [stderr] 78 |   pub fn top_bits(v: u8, hi: u8) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bottom_bits`
[INFO] [stderr]   --> src/set1/mod.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   pub fn bottom_bits(v: u8, lo: u8) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decrypt_single_byte_xor`
[INFO] [stderr]   --> src/set1/mod.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 |   pub fn decrypt_single_byte_xor(input: &str) -> String {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `single_byte`
[INFO] [stderr]    --> src/set1/mod.rs:110:3
[INFO] [stderr]     |
[INFO] [stderr] 110 |   pub fn single_byte(lhs: &str, rhs: u8) -> Vec<u8> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed`
[INFO] [stderr]    --> src/set1/mod.rs:121:3
[INFO] [stderr]     |
[INFO] [stderr] 121 |   pub fn fixed(lhs: &str, rhs: &str) -> Vec<u8> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed_to_str`
[INFO] [stderr]    --> src/set1/mod.rs:137:3
[INFO] [stderr]     |
[INFO] [stderr] 137 |   pub fn fixed_to_str(lhs: &str, rhs: &str) -> String {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_str`
[INFO] [stderr]    --> src/set1/mod.rs:144:3
[INFO] [stderr]     |
[INFO] [stderr] 144 |   pub fn from_str(s: &str) -> Vec<u8> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_str`
[INFO] [stderr]    --> src/set1/mod.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |   pub fn to_str(data: Vec<u8>) -> String {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_ascii_str`
[INFO] [stderr]    --> src/set1/mod.rs:153:3
[INFO] [stderr]     |
[INFO] [stderr] 153 |   pub fn to_ascii_str(data: Vec<u8>) -> String {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_u8`
[INFO] [stderr]    --> src/set1/mod.rs:161:3
[INFO] [stderr]     |
[INFO] [stderr] 161 |   fn from_u8(data: Vec<u8>) -> String {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_u8`
[INFO] [stderr]    --> src/set1/mod.rs:174:3
[INFO] [stderr]     |
[INFO] [stderr] 174 |   fn to_u8(s: &str) -> Vec<u8> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `char_val`
[INFO] [stderr]    --> src/set1/mod.rs:188:3
[INFO] [stderr]     |
[INFO] [stderr] 188 |   fn char_val(d: u8) -> char {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_val`
[INFO] [stderr]    --> src/set1/mod.rs:196:3
[INFO] [stderr]     |
[INFO] [stderr] 196 |   fn hex_val(c: u8) -> u8 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BASE64_CHARS`
[INFO] [stderr]    --> src/set1/mod.rs:207:3
[INFO] [stderr]     |
[INFO] [stderr] 207 | /   const BASE64_CHARS: [char; 64] = [
[INFO] [stderr] 208 | |     'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
[INFO] [stderr] 209 | |     'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
[INFO] [stderr] 210 | |     'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4',
[INFO] [stderr] 211 | |     '5', '6', '7', '8', '9', '+', '/',
[INFO] [stderr] 212 | |   ];
[INFO] [stderr]     | |____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_base64`
[INFO] [stderr]    --> src/set1/mod.rs:214:3
[INFO] [stderr]     |
[INFO] [stderr] 214 |   pub fn to_base64(data: Vec<u8>) -> String {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_8bit_to_6bit`
[INFO] [stderr]    --> src/set1/mod.rs:232:3
[INFO] [stderr]     |
[INFO] [stderr] 232 |   pub fn u8_8bit_to_6bit(data: Vec<u8>) -> Vec<u8> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `base64_val`
[INFO] [stderr]    --> src/set1/mod.rs:265:3
[INFO] [stderr]     |
[INFO] [stderr] 265 |   fn base64_val(c: u8) -> char {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "583f3d319a09dc87ed5e26ea4a1e951c7e99673653f2b2e1168068926fb525a4"`
[INFO] running `"docker" "rm" "-f" "583f3d319a09dc87ed5e26ea4a1e951c7e99673653f2b2e1168068926fb525a4"`
[INFO] [stdout] 583f3d319a09dc87ed5e26ea4a1e951c7e99673653f2b2e1168068926fb525a4