[INFO] cloning repository https://github.com/lodetrick/PropertyGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lodetrick/PropertyGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flodetrick%2FPropertyGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flodetrick%2FPropertyGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc30b33064048e16390bc1450a5db98dd676a038
[INFO] testing lodetrick/PropertyGame against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flodetrick%2FPropertyGame" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lodetrick/PropertyGame
[INFO] finished tweaking git repo https://github.com/lodetrick/PropertyGame
[INFO] tweaked toml for git repo https://github.com/lodetrick/PropertyGame written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lodetrick/PropertyGame on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lodetrick/PropertyGame 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba
[INFO] running `Command { std: "docker" "start" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[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 guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `family`
[INFO] [stdout]   --> src/properties.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn generate(family: u8) -> Self {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:271:25
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:303:25
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Property` is never used
[INFO] [stdout]  --> src/properties.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Property {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Problem` is never constructed
[INFO] [stdout]   --> src/properties.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `generate` and `check` are never used
[INFO] [stdout]   --> src/properties.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Problem {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 31 |     fn generate(length: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn check(&self, num: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GeneralProperty` is never used
[INFO] [stdout]   --> src/properties.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum GeneralProperty {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fulfilled`, `debug_print`, and `generate` are never used
[INFO] [stdout]   --> src/properties.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl GeneralProperty {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 67 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     fn debug_print(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     fn generate(family: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sequence` is never used
[INFO] [stdout]    --> src/properties.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum Sequence {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HasBase` is never constructed
[INFO] [stdout]    --> src/properties.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HasBase {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HasFactor` is never constructed
[INFO] [stdout]    --> src/properties.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct HasFactor {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumFactor` is never constructed
[INFO] [stdout]    --> src/properties.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct NumFactor {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxGCDWith` is never constructed
[INFO] [stdout]    --> src/properties.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct MaxGCDWith {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Prime` is never constructed
[INFO] [stdout]    --> src/properties.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct Prime {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumDigits` is never constructed
[INFO] [stdout]    --> src/properties.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub struct NumDigits {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SumDigits` is never constructed
[INFO] [stdout]    --> src/properties.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub struct SumDigits {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_triangular` is never used
[INFO] [stdout]    --> src/properties.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn check_in_triangular(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_fibbonacci` is never used
[INFO] [stdout]    --> src/properties.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn check_in_fibbonacci(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_two_powers` is never used
[INFO] [stdout]    --> src/properties.rs:349:4
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn check_in_two_powers(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_square_num` is never used
[INFO] [stdout]    --> src/properties.rs:358:4
[INFO] [stdout]     |
[INFO] [stdout] 358 | fn check_in_square_num(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `family`
[INFO] [stdout]   --> src/properties.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn generate(family: u8) -> Self {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:271:25
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by`
[INFO] [stdout]    --> src/properties.rs:303:25
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Property` is never used
[INFO] [stdout]  --> src/properties.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Property {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Problem` is never constructed
[INFO] [stdout]   --> src/properties.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `generate` and `check` are never used
[INFO] [stdout]   --> src/properties.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Problem {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 31 |     fn generate(length: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn check(&self, num: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GeneralProperty` is never used
[INFO] [stdout]   --> src/properties.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum GeneralProperty {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fulfilled`, `debug_print`, and `generate` are never used
[INFO] [stdout]   --> src/properties.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl GeneralProperty {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 67 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     fn debug_print(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     fn generate(family: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sequence` is never used
[INFO] [stdout]    --> src/properties.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum Sequence {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HasBase` is never constructed
[INFO] [stdout]    --> src/properties.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct HasBase {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HasFactor` is never constructed
[INFO] [stdout]    --> src/properties.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct HasFactor {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumFactor` is never constructed
[INFO] [stdout]    --> src/properties.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub struct NumFactor {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxGCDWith` is never constructed
[INFO] [stdout]    --> src/properties.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct MaxGCDWith {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Prime` is never constructed
[INFO] [stdout]    --> src/properties.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct Prime {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumDigits` is never constructed
[INFO] [stdout]    --> src/properties.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub struct NumDigits {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SumDigits` is never constructed
[INFO] [stdout]    --> src/properties.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub struct SumDigits {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_triangular` is never used
[INFO] [stdout]    --> src/properties.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn check_in_triangular(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_fibbonacci` is never used
[INFO] [stdout]    --> src/properties.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn check_in_fibbonacci(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_two_powers` is never used
[INFO] [stdout]    --> src/properties.rs:349:4
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn check_in_two_powers(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_in_square_num` is never used
[INFO] [stdout]    --> src/properties.rs:358:4
[INFO] [stdout]     |
[INFO] [stdout] 358 | fn check_in_square_num(by: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `family`
[INFO] [stderr]   --> src/properties.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn generate(family: u8) -> Self {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_family`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:159:25
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:182:25
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:204:25
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:227:25
[INFO] [stderr]     |
[INFO] [stderr] 227 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:249:25
[INFO] [stderr]     |
[INFO] [stderr] 249 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:271:25
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `by`
[INFO] [stderr]    --> src/properties.rs:303:25
[INFO] [stderr]     |
[INFO] [stderr] 303 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_by`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Property` is never used
[INFO] [stderr]  --> src/properties.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait Property {
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Problem` is never constructed
[INFO] [stderr]   --> src/properties.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Problem {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `generate` and `check` are never used
[INFO] [stderr]   --> src/properties.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl Problem {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 31 |     fn generate(length: u8) -> Self {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     fn check(&self, num: u8) -> u8 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `GeneralProperty` is never used
[INFO] [stderr]   --> src/properties.rs:55:10
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub enum GeneralProperty {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `fulfilled`, `debug_print`, and `generate` are never used
[INFO] [stderr]   --> src/properties.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl GeneralProperty {
[INFO] [stderr]    | -------------------- associated items in this implementation
[INFO] [stderr] 67 |     fn fulfilled(&self, by: u8) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |     fn debug_print(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 93 |     fn generate(family: u8) -> Self {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: enum `Sequence` is never used
[INFO] [stderr]    --> src/properties.rs:111:10
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub enum Sequence {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HasBase` is never constructed
[INFO] [stderr]    --> src/properties.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 | pub struct HasBase {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HasFactor` is never constructed
[INFO] [stderr]    --> src/properties.rs:176:12
[INFO] [stderr]     |
[INFO] [stderr] 176 | pub struct HasFactor {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NumFactor` is never constructed
[INFO] [stderr]    --> src/properties.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub struct NumFactor {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MaxGCDWith` is never constructed
[INFO] [stderr]    --> src/properties.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 | pub struct MaxGCDWith {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Prime` is never constructed
[INFO] [stderr]    --> src/properties.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 | pub struct Prime {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NumDigits` is never constructed
[INFO] [stderr]    --> src/properties.rs:264:12
[INFO] [stderr]     |
[INFO] [stderr] 264 | pub struct NumDigits {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SumDigits` is never constructed
[INFO] [stderr]    --> src/properties.rs:296:12
[INFO] [stderr]     |
[INFO] [stderr] 296 | pub struct SumDigits {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_in_triangular` is never used
[INFO] [stderr]    --> src/properties.rs:330:4
[INFO] [stderr]     |
[INFO] [stderr] 330 | fn check_in_triangular(by: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_in_fibbonacci` is never used
[INFO] [stderr]    --> src/properties.rs:337:4
[INFO] [stderr]     |
[INFO] [stderr] 337 | fn check_in_fibbonacci(by: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_in_two_powers` is never used
[INFO] [stderr]    --> src/properties.rs:349:4
[INFO] [stderr]     |
[INFO] [stderr] 349 | fn check_in_two_powers(by: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_in_square_num` is never used
[INFO] [stderr]    --> src/properties.rs:358:4
[INFO] [stderr]     |
[INFO] [stderr] 358 | fn check_in_square_num(by: u8) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 25 warnings (run `cargo fix --bin "guessing_game" -p guessing_game --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-51ebb19e400da32c)
[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" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba", kill_on_drop: false }`
[INFO] [stdout] 4fefd7a9074da57fae0e3acefb6f03f70a84f295374ccf7d326a82720d5080ba
