[INFO] cloning repository https://github.com/andrewgazelka/leet_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/leet_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c19bf822b6da013b28b9dc48ec4906c0e0ebc6e8
[INFO] checking andrewgazelka/leet_rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewgazelka/leet_rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewgazelka/leet_rust
[INFO] finished tweaking git repo https://github.com/andrewgazelka/leet_rust
[INFO] tweaked toml for git repo https://github.com/andrewgazelka/leet_rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewgazelka/leet_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 819a0fcf5b08c5a1540a80295bb1558870b2a3167011798a7f9965e96a251171
[INFO] running `Command { std: "docker" "start" "-a" "819a0fcf5b08c5a1540a80295bb1558870b2a3167011798a7f9965e96a251171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "819a0fcf5b08c5a1540a80295bb1558870b2a3167011798a7f9965e96a251171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819a0fcf5b08c5a1540a80295bb1558870b2a3167011798a7f9965e96a251171", kill_on_drop: false }`
[INFO] [stdout] 819a0fcf5b08c5a1540a80295bb1558870b2a3167011798a7f9965e96a251171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a86ca9e194d36756bc372f333ba3a672d7f8452f8a7cbc68acbcaa75bb07efb7
[INFO] running `Command { std: "docker" "start" "-a" "a86ca9e194d36756bc372f333ba3a672d7f8452f8a7cbc68acbcaa75bb07efb7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking leet_rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/problems0300/p80.rs (2 fixes)
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems0300/p84.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p84.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(original: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/problems0300/p84.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn reset(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> src/problems0300/p84.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn shuffle(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bucket`
[INFO] [stdout]  --> src/problems0300/p80.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Bucket(Vec<i32>);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elem`
[INFO] [stdout]  --> src/problems0300/p80.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Elem = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Idx`
[INFO] [stdout]   --> src/problems0300/p80.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Idx = usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomizedSet`
[INFO] [stdout]   --> src/problems0300/p80.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct RandomizedSet {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p80.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/problems0300/p80.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/problems0300/p80.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> src/problems0300/p80.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> src/lib.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn from_vec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems0300/p84.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p84.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(original: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/problems0300/p84.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn reset(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> src/problems0300/p84.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn shuffle(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bucket`
[INFO] [stdout]  --> src/problems0300/p80.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Bucket(Vec<i32>);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elem`
[INFO] [stdout]  --> src/problems0300/p80.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Elem = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Idx`
[INFO] [stdout]   --> src/problems0300/p80.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Idx = usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomizedSet`
[INFO] [stdout]   --> src/problems0300/p80.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct RandomizedSet {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p80.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/problems0300/p80.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/problems0300/p80.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> src/problems0300/p80.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking leet_rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems0300/p84.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p84.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(original: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/problems0300/p84.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn reset(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> src/problems0300/p84.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn shuffle(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bucket`
[INFO] [stdout]  --> src/problems0300/p80.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Bucket(Vec<i32>);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elem`
[INFO] [stdout]  --> src/problems0300/p80.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Elem = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Idx`
[INFO] [stdout]   --> src/problems0300/p80.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Idx = usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomizedSet`
[INFO] [stdout]   --> src/problems0300/p80.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct RandomizedSet {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p80.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/problems0300/p80.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/problems0300/p80.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> src/problems0300/p80.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> src/lib.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn from_vec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/problems0300/p84.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p84.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(original: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/problems0300/p84.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn reset(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]   --> src/problems0300/p84.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn shuffle(&self) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bucket`
[INFO] [stdout]  --> src/problems0300/p80.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Bucket(Vec<i32>);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elem`
[INFO] [stdout]  --> src/problems0300/p80.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Elem = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Idx`
[INFO] [stdout]   --> src/problems0300/p80.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Idx = usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RandomizedSet`
[INFO] [stdout]   --> src/problems0300/p80.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct RandomizedSet {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problems0300/p80.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/problems0300/p80.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/problems0300/p80.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_random`
[INFO] [stdout]   --> src/problems0300/p80.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn get_random(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "a86ca9e194d36756bc372f333ba3a672d7f8452f8a7cbc68acbcaa75bb07efb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86ca9e194d36756bc372f333ba3a672d7f8452f8a7cbc68acbcaa75bb07efb7", kill_on_drop: false }`
[INFO] [stdout] a86ca9e194d36756bc372f333ba3a672d7f8452f8a7cbc68acbcaa75bb07efb7