[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] testing andrewgazelka/leet_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewgazelka/leet_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-25/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5098d5c616d5c042c28fe8555f400cb54b5307d107335a8b1bd957ac826f560
[INFO] running `Command { std: "docker" "start" "-a" "a5098d5c616d5c042c28fe8555f400cb54b5307d107335a8b1bd957ac826f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5098d5c616d5c042c28fe8555f400cb54b5307d107335a8b1bd957ac826f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5098d5c616d5c042c28fe8555f400cb54b5307d107335a8b1bd957ac826f560", kill_on_drop: false }`
[INFO] [stdout] a5098d5c616d5c042c28fe8555f400cb54b5307d107335a8b1bd957ac826f560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e3eff60842418b6552b2e0f94fdf7f14ca176311671190a437d2de009926ecd
[INFO] running `Command { std: "docker" "start" "-a" "4e3eff60842418b6552b2e0f94fdf7f14ca176311671190a437d2de009926ecd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling leet_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/problems0300/p80.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{Hasher};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/problems0300/p80.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Entry::Occupied(x) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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: 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: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "4e3eff60842418b6552b2e0f94fdf7f14ca176311671190a437d2de009926ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3eff60842418b6552b2e0f94fdf7f14ca176311671190a437d2de009926ecd", kill_on_drop: false }`
[INFO] [stdout] 4e3eff60842418b6552b2e0f94fdf7f14ca176311671190a437d2de009926ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac4272fc306345b77eaf217670eed4d7c820277d9fd6c81cd8f04313f7ad589
[INFO] running `Command { std: "docker" "start" "-a" "2ac4272fc306345b77eaf217670eed4d7c820277d9fd6c81cd8f04313f7ad589", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/problems0300/p80.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{Hasher};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/problems0300/p80.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Entry::Occupied(x) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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] [stderr]    Compiling leet_rust v0.1.0 (/opt/rustwide/workdir)
[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: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/problems0300/p80.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{Hasher};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/problems0300/p80.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Entry::Occupied(x) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "2ac4272fc306345b77eaf217670eed4d7c820277d9fd6c81cd8f04313f7ad589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac4272fc306345b77eaf217670eed4d7c820277d9fd6c81cd8f04313f7ad589", kill_on_drop: false }`
[INFO] [stdout] 2ac4272fc306345b77eaf217670eed4d7c820277d9fd6c81cd8f04313f7ad589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e00f99cc86b858db383b4011814e70ccd6e2992f9937c1600d87becb070db2c8
[INFO] running `Command { std: "docker" "start" "-a" "e00f99cc86b858db383b4011814e70ccd6e2992f9937c1600d87becb070db2c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]  --> src/problems0300/p80.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::hash::{Hasher};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/problems0300/p80.rs:35:29
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Entry::Occupied(x) => {
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/problems0300/p84.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/problems0300/p84.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn new(original: Vec<i32>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reset`
[INFO] [stderr]   --> src/problems0300/p84.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn reset(&self) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shuffle`
[INFO] [stderr]   --> src/problems0300/p84.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn shuffle(&self) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bucket`
[INFO] [stderr]  --> src/problems0300/p80.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Bucket(Vec<i32>);
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Elem`
[INFO] [stderr]  --> src/problems0300/p80.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Elem = i32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Idx`
[INFO] [stderr]   --> src/problems0300/p80.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Idx = usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RandomizedSet`
[INFO] [stderr]   --> src/problems0300/p80.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct RandomizedSet {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/problems0300/p80.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]   --> src/problems0300/p80.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn insert(&mut self, val: i32) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/problems0300/p80.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn remove(&mut self, val: i32) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_random`
[INFO] [stderr]   --> src/problems0300/p80.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn get_random(&self) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_vec`
[INFO] [stderr]   --> src/lib.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn from_vec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leet_rust` (lib) generated 15 warnings
[INFO] [stderr] warning: `leet_rust` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leet_rust-aaa799a154f5265b)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test problems0100::p02::tests::it_works ... ok
[INFO] [stdout] test problems0100::p03::tests::it_works ... ok
[INFO] [stdout] test problems0100::p06::tests::paypal ... ok
[INFO] [stdout] test problems0100::p05::tests::it_works ... ok
[INFO] [stdout] test problems0100::p07::tests::it_works ... ok
[INFO] [stdout] test problems0100::p09::tests::it_works ... ok
[INFO] [stdout] test problems0100::p10::tests::it_works ... ok
[INFO] [stdout] test problems0100::p11::tests::it_works ... ok
[INFO] [stdout] test problems0100::p41::tests::it_works ... ok
[INFO] [stdout] test problems0100::p42::tests::it_works ... ok
[INFO] [stdout] test problems0100::p08::tests::it_works ... ok
[INFO] [stdout] test problems0100::p60::tests::it_works ... ok
[INFO] [stdout] test problems0200::p90::tests::it_works ... ok
[INFO] [stdout] test problems0200::p91::tests::it_works ... ok
[INFO] [stdout] test problems0100::p89::tests::it_works ... ok
[INFO] [stdout] test problems0200::p28::tests::it_works ... ok
[INFO] [stdout] test problems0400::p54::tests::it_works ... ok
[INFO] [stdout] test problems0300::p87::tests::it_works ... ok
[INFO] [stdout] test problems0300::p95::tests::it_works ... ok
[INFO] [stdout] test problems0400::p12::tests::it_works ... ok
[INFO] [stdout] test problems0300::p38::tests::it_works ... ok
[INFO] [stdout] test problems0500::p60::tests::it_works ... ok
[INFO] [stdout] test problems0600::p59::tests::it_works ... ok
[INFO] [stdout] test problems0300::p29::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leet_rust
[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" "e00f99cc86b858db383b4011814e70ccd6e2992f9937c1600d87becb070db2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00f99cc86b858db383b4011814e70ccd6e2992f9937c1600d87becb070db2c8", kill_on_drop: false }`
[INFO] [stdout] e00f99cc86b858db383b4011814e70ccd6e2992f9937c1600d87becb070db2c8