[INFO] cloning repository https://github.com/dfockler/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfockler/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6d248ac44b83b6503ceee90587bb3b5f8b41fbc
[INFO] checking dfockler/cryptopals against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fcryptopals" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dfockler/cryptopals on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dfockler/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f161404b1138ad213b5e567e8c22efca0fce61f17598261dff9df9315787204
[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" "3f161404b1138ad213b5e567e8c22efca0fce61f17598261dff9df9315787204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f161404b1138ad213b5e567e8c22efca0fce61f17598261dff9df9315787204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f161404b1138ad213b5e567e8c22efca0fce61f17598261dff9df9315787204", kill_on_drop: false }`
[INFO] [stdout] 3f161404b1138ad213b5e567e8c22efca0fce61f17598261dff9df9315787204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82a3eec42e9cb976184d517ab01790068fb7eb37dd96b30ef3d7ac0fc0590af
[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" "c82a3eec42e9cb976184d517ab01790068fb7eb37dd96b30ef3d7ac0fc0590af", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `challenge1`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn challenge1() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge2`
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn challenge2() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge3`
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn challenge3() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge4`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn challenge4() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge5`
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn challenge5() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge6`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn challenge6() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `top_scored_value`
[INFO] [stdout]    --> src/main.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn top_scored_value(input: &[u8]) -> (i32, String, u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `score_string`
[INFO] [stdout]    --> src/main.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn score_string(input: &String) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_bytes`
[INFO] [stdout]    --> src/main.rs:275:4
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn hex_to_bytes(input: &str) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_base64`
[INFO] [stdout]    --> src/main.rs:279:4
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn hex_to_base64(input: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `xor`
[INFO] [stdout]    --> src/main.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn xor(a: &Vec<u8>, b: &Vec<u8>) -> String {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `single_xor`
[INFO] [stdout]    --> src/main.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn single_xor(input: &[u8], value: u8) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeating_xor`
[INFO] [stdout]    --> src/main.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn repeating_xor(input: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeating_xor_decode`
[INFO] [stdout]    --> src/main.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn repeating_xor_decode(input: &[u8], key: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming_distance`
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn hamming_distance(a: &[u8], b: &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge1`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn challenge1() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge2`
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn challenge2() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge3`
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn challenge3() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge4`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn challenge4() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge5`
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn challenge5() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge6`
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn challenge6() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `top_scored_value`
[INFO] [stdout]    --> src/main.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn top_scored_value(input: &[u8]) -> (i32, String, u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `score_string`
[INFO] [stdout]    --> src/main.rs:237:4
[INFO] [stdout]     |
[INFO] [stdout] 237 | fn score_string(input: &String) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_bytes`
[INFO] [stdout]    --> src/main.rs:275:4
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn hex_to_bytes(input: &str) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_base64`
[INFO] [stdout]    --> src/main.rs:279:4
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn hex_to_base64(input: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `xor`
[INFO] [stdout]    --> src/main.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn xor(a: &Vec<u8>, b: &Vec<u8>) -> String {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `single_xor`
[INFO] [stdout]    --> src/main.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn single_xor(input: &[u8], value: u8) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeating_xor`
[INFO] [stdout]    --> src/main.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn repeating_xor(input: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeating_xor_decode`
[INFO] [stdout]    --> src/main.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn repeating_xor_decode(input: &[u8], key: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming_distance`
[INFO] [stdout]    --> src/main.rs:327:4
[INFO] [stdout]     |
[INFO] [stdout] 327 | fn hamming_distance(a: &[u8], b: &[u8]) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "c82a3eec42e9cb976184d517ab01790068fb7eb37dd96b30ef3d7ac0fc0590af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82a3eec42e9cb976184d517ab01790068fb7eb37dd96b30ef3d7ac0fc0590af", kill_on_drop: false }`
[INFO] [stdout] c82a3eec42e9cb976184d517ab01790068fb7eb37dd96b30ef3d7ac0fc0590af