[INFO] cloning repository https://github.com/DeveloperTheExplorer/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeveloperTheExplorer/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeveloperTheExplorer%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeveloperTheExplorer%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9e9631c2b06cb6321b4a887e090e72d58ed9184
[INFO] testing DeveloperTheExplorer/rust-sandbox against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeveloperTheExplorer%2Frust-sandbox" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DeveloperTheExplorer/rust-sandbox
[INFO] finished tweaking git repo https://github.com/DeveloperTheExplorer/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/DeveloperTheExplorer/rust-sandbox written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DeveloperTheExplorer/rust-sandbox on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DeveloperTheExplorer/rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d86a1e7a9e14e1861e8bcfcd89e3cf12fa44697a7cec2fa1a296cfbfcd61271
[INFO] running `Command { std: "docker" "start" "-a" "6d86a1e7a9e14e1861e8bcfcd89e3cf12fa44697a7cec2fa1a296cfbfcd61271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d86a1e7a9e14e1861e8bcfcd89e3cf12fa44697a7cec2fa1a296cfbfcd61271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d86a1e7a9e14e1861e8bcfcd89e3cf12fa44697a7cec2fa1a296cfbfcd61271", kill_on_drop: false }`
[INFO] [stdout] 6d86a1e7a9e14e1861e8bcfcd89e3cf12fa44697a7cec2fa1a296cfbfcd61271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5750bdd568666e9558a9dd79d07878bbe1347b8ef428db998ca40b53b95b617b
[INFO] running `Command { std: "docker" "start" "-a" "5750bdd568666e9558a9dd79d07878bbe1347b8ef428db998ca40b53b95b617b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/leetcode.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 (str_num) => {
[INFO] [stdout]    |                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                 (str_num) => {
[INFO] [stdout] 71 +                 str_num  => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinStack` is never constructed
[INFO] [stdout]    --> src/leetcode.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MinStack {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used
[INFO] [stdout]    --> src/leetcode.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl MinStack {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 166 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn push(&mut self, val: i32) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn pop(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn top(&self) -> i32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn get_min(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pig_latin` is never used
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn pig_latin(phrase: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_vec` is never used
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn generate_random_vec(&len: &u8) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_med_and_mode` is never used
[INFO] [stdout]   --> src/main.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn get_med_and_mode(data: Vec<u8>) -> (u8, Option<u8>, Vec<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "5750bdd568666e9558a9dd79d07878bbe1347b8ef428db998ca40b53b95b617b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5750bdd568666e9558a9dd79d07878bbe1347b8ef428db998ca40b53b95b617b", kill_on_drop: false }`
[INFO] [stdout] 5750bdd568666e9558a9dd79d07878bbe1347b8ef428db998ca40b53b95b617b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8404672ffab869d8c0e99511db1463478a57cc5c70ab24bb60014bc504727f6
[INFO] running `Command { std: "docker" "start" "-a" "e8404672ffab869d8c0e99511db1463478a57cc5c70ab24bb60014bc504727f6", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/leetcode.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 (str_num) => {
[INFO] [stdout]    |                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                 (str_num) => {
[INFO] [stdout] 71 +                 str_num  => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MinStack` is never constructed
[INFO] [stdout]    --> src/leetcode.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MinStack {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used
[INFO] [stdout]    --> src/leetcode.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl MinStack {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 166 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn push(&mut self, val: i32) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn pop(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn top(&self) -> i32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn get_min(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pig_latin` is never used
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn pig_latin(phrase: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_vec` is never used
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn generate_random_vec(&len: &u8) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_med_and_mode` is never used
[INFO] [stdout]   --> src/main.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn get_med_and_mode(data: Vec<u8>) -> (u8, Option<u8>, Vec<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/leetcode.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 (str_num) => {
[INFO] [stdout]    |                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                 (str_num) => {
[INFO] [stdout] 71 +                 str_num  => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinStack` is never constructed
[INFO] [stdout]    --> src/leetcode.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MinStack {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used
[INFO] [stdout]    --> src/leetcode.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl MinStack {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 166 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn push(&mut self, val: i32) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn pop(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn top(&self) -> i32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn get_min(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e8404672ffab869d8c0e99511db1463478a57cc5c70ab24bb60014bc504727f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8404672ffab869d8c0e99511db1463478a57cc5c70ab24bb60014bc504727f6", kill_on_drop: false }`
[INFO] [stdout] e8404672ffab869d8c0e99511db1463478a57cc5c70ab24bb60014bc504727f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33fc95a0cb2f90c843e26cafd523f79ae08fa9f9cc9151c1d0063f2e6bb1d1c9
[INFO] running `Command { std: "docker" "start" "-a" "33fc95a0cb2f90c843e26cafd523f79ae08fa9f9cc9151c1d0063f2e6bb1d1c9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/leetcode.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 (str_num) => {
[INFO] [stderr]    |                 ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -                 (str_num) => {
[INFO] [stderr] 71 +                 str_num  => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MinStack` is never constructed
[INFO] [stderr]    --> src/leetcode.rs:156:8
[INFO] [stderr]     |
[INFO] [stderr] 156 | struct MinStack {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used
[INFO] [stderr]    --> src/leetcode.rs:166:8
[INFO] [stderr]     |
[INFO] [stderr] 165 | impl MinStack {
[INFO] [stderr]     | ------------- associated items in this implementation
[INFO] [stderr] 166 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     fn push(&mut self, val: i32) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 180 |     fn pop(&mut self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 188 |     fn top(&self) -> i32 {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 192 |     fn get_min(&self) -> i32 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sandbox` (lib) generated 3 warnings (run `cargo fix --lib -p sandbox` to apply 1 suggestion)
[INFO] [stderr] warning: function `pig_latin` is never used
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn pig_latin(phrase: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_random_vec` is never used
[INFO] [stderr]   --> src/main.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn generate_random_vec(&len: &u8) -> Vec<u8> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_med_and_mode` is never used
[INFO] [stderr]   --> src/main.rs:72:4
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn get_med_and_mode(data: Vec<u8>) -> (u8, Option<u8>, Vec<u8>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sandbox` (bin "sandbox" test) generated 3 warnings
[INFO] [stderr] warning: `sandbox` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sandbox-dab629c61f6e48bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sandbox-4ea1258f94cb1547)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sandbox
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/leetcode.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 (str_num) => {
[INFO] [stderr]    |                 ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -                 (str_num) => {
[INFO] [stderr] 71 +                 str_num  => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33fc95a0cb2f90c843e26cafd523f79ae08fa9f9cc9151c1d0063f2e6bb1d1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fc95a0cb2f90c843e26cafd523f79ae08fa9f9cc9151c1d0063f2e6bb1d1c9", kill_on_drop: false }`
[INFO] [stdout] 33fc95a0cb2f90c843e26cafd523f79ae08fa9f9cc9151c1d0063f2e6bb1d1c9