[INFO] updating cached repository https://github.com/dfockler/cryptopals
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6d248ac44b83b6503ceee90587bb3b5f8b41fbc
[INFO] checking dfockler/cryptopals against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fcryptopals" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dfockler/cryptopals on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dfockler/cryptopals
[INFO] finished tweaking git repo https://github.com/dfockler/cryptopals
[INFO] tweaked toml for git repo https://github.com/dfockler/cryptopals written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dfockler/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 043e1f10fc9537ade64ebb8a7bb5d9d4e67a83d36d7ec9707e816957273992ec
[INFO] running `"docker" "start" "-a" "043e1f10fc9537ade64ebb8a7bb5d9d4e67a83d36d7ec9707e816957273992ec"`
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `challenge1`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn challenge1() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge2`
[INFO] [stderr]   --> src/main.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn challenge2() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge3`
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn challenge3() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge4`
[INFO] [stderr]   --> src/main.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn challenge4() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge5`
[INFO] [stderr]   --> src/main.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn challenge5() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge6`
[INFO] [stderr]   --> src/main.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn challenge6() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `top_scored_value`
[INFO] [stderr]    --> src/main.rs:214:4
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn top_scored_value(input: &[u8]) -> (i32, String, u8) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `score_string`
[INFO] [stderr]    --> src/main.rs:237:4
[INFO] [stderr]     |
[INFO] [stderr] 237 | fn score_string(input: &String) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytes`
[INFO] [stderr]    --> src/main.rs:275:4
[INFO] [stderr]     |
[INFO] [stderr] 275 | fn hex_to_bytes(input: &str) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_base64`
[INFO] [stderr]    --> src/main.rs:279:4
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn hex_to_base64(input: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]    --> src/main.rs:283:4
[INFO] [stderr]     |
[INFO] [stderr] 283 | fn xor(a: &Vec<u8>, b: &Vec<u8>) -> String {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `single_xor`
[INFO] [stderr]    --> src/main.rs:293:4
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn single_xor(input: &[u8], value: u8) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeating_xor`
[INFO] [stderr]    --> src/main.rs:303:4
[INFO] [stderr]     |
[INFO] [stderr] 303 | fn repeating_xor(input: &str, key: &str) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeating_xor_decode`
[INFO] [stderr]    --> src/main.rs:315:4
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn repeating_xor_decode(input: &[u8], key: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hamming_distance`
[INFO] [stderr]    --> src/main.rs:327:4
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn hamming_distance(a: &[u8], b: &[u8]) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge1`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn challenge1() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge2`
[INFO] [stderr]   --> src/main.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn challenge2() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge3`
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn challenge3() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge4`
[INFO] [stderr]   --> src/main.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn challenge4() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge5`
[INFO] [stderr]   --> src/main.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn challenge5() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge6`
[INFO] [stderr]   --> src/main.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn challenge6() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `top_scored_value`
[INFO] [stderr]    --> src/main.rs:214:4
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn top_scored_value(input: &[u8]) -> (i32, String, u8) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `score_string`
[INFO] [stderr]    --> src/main.rs:237:4
[INFO] [stderr]     |
[INFO] [stderr] 237 | fn score_string(input: &String) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_bytes`
[INFO] [stderr]    --> src/main.rs:275:4
[INFO] [stderr]     |
[INFO] [stderr] 275 | fn hex_to_bytes(input: &str) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_base64`
[INFO] [stderr]    --> src/main.rs:279:4
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn hex_to_base64(input: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `xor`
[INFO] [stderr]    --> src/main.rs:283:4
[INFO] [stderr]     |
[INFO] [stderr] 283 | fn xor(a: &Vec<u8>, b: &Vec<u8>) -> String {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `single_xor`
[INFO] [stderr]    --> src/main.rs:293:4
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn single_xor(input: &[u8], value: u8) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeating_xor`
[INFO] [stderr]    --> src/main.rs:303:4
[INFO] [stderr]     |
[INFO] [stderr] 303 | fn repeating_xor(input: &str, key: &str) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeating_xor_decode`
[INFO] [stderr]    --> src/main.rs:315:4
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn repeating_xor_decode(input: &[u8], key: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hamming_distance`
[INFO] [stderr]    --> src/main.rs:327:4
[INFO] [stderr]     |
[INFO] [stderr] 327 | fn hamming_distance(a: &[u8], b: &[u8]) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "043e1f10fc9537ade64ebb8a7bb5d9d4e67a83d36d7ec9707e816957273992ec"`
[INFO] running `"docker" "rm" "-f" "043e1f10fc9537ade64ebb8a7bb5d9d4e67a83d36d7ec9707e816957273992ec"`
[INFO] [stdout] 043e1f10fc9537ade64ebb8a7bb5d9d4e67a83d36d7ec9707e816957273992ec