[INFO] cloning repository https://github.com/ramon54321/StateScrubStructure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramon54321/StateScrubStructure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framon54321%2FStateScrubStructure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framon54321%2FStateScrubStructure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d5830e1c17d4d7dc60423f5fd2031f59ce50f82
[INFO] testing ramon54321/StateScrubStructure against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framon54321%2FStateScrubStructure" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramon54321/StateScrubStructure on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ramon54321/StateScrubStructure
[INFO] finished tweaking git repo https://github.com/ramon54321/StateScrubStructure
[INFO] tweaked toml for git repo https://github.com/ramon54321/StateScrubStructure written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ramon54321/StateScrubStructure already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed5f0f52ce65f51971a86abf1ce74e4333a3095b7452f4ec1d099c170b42e3e9
[INFO] running `Command { std: "docker" "start" "-a" "ed5f0f52ce65f51971a86abf1ce74e4333a3095b7452f4ec1d099c170b42e3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5f0f52ce65f51971a86abf1ce74e4333a3095b7452f4ec1d099c170b42e3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5f0f52ce65f51971a86abf1ce74e4333a3095b7452f4ec1d099c170b42e3e9", kill_on_drop: false }`
[INFO] [stdout] ed5f0f52ce65f51971a86abf1ce74e4333a3095b7452f4ec1d099c170b42e3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39316ef970146b13827d3ddda18898d10848874ec76aad330793f0cee8ab5941
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "39316ef970146b13827d3ddda18898d10848874ec76aad330793f0cee8ab5941", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling rust_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/main.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 for (id, entity) in &self.entities {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/main.rs:124:18
[INFO] [stdout]     |
[INFO] [stdout] 124 |             for (label, graph) in &self.graphs {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/main.rs:190:23
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 Some((key, value)) => {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut new_entity = Entity { id: NEXT_ENTITY_ID,
[INFO] [stdout]    |                     ----^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/main.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn print(self : &Self) {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         id : u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/main.rs:122:16
[INFO] [stdout]     |
[INFO] [stdout] 122 |         pub fn print(self : &Self) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PositionY`
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         PositionY = 1,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PositionZ`
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         PositionZ = 2
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/main.rs:200:16
[INFO] [stdout]     |
[INFO] [stdout] 200 |         pub fn print(self : &Self) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     simple_logger::init();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keyOption` should have a snake case name
[INFO] [stdout]    --> src/main.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |             let keyOption = self.keys.range((Unbounded, (Included(t)))).next_back();
[INFO] [stdout]     |                 ^^^^^^^^^ help: convert the identifier to snake case: `key_option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "39316ef970146b13827d3ddda18898d10848874ec76aad330793f0cee8ab5941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39316ef970146b13827d3ddda18898d10848874ec76aad330793f0cee8ab5941", kill_on_drop: false }`
[INFO] [stdout] 39316ef970146b13827d3ddda18898d10848874ec76aad330793f0cee8ab5941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57e4d9c57386ceee3ff5435820659965480c3e72d0f329427e91ea0d86efe780
[INFO] running `Command { std: "docker" "start" "-a" "57e4d9c57386ceee3ff5435820659965480c3e72d0f329427e91ea0d86efe780", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/main.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 for (id, entity) in &self.entities {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/main.rs:124:18
[INFO] [stdout]     |
[INFO] [stdout] 124 |             for (label, graph) in &self.graphs {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/main.rs:190:23
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 Some((key, value)) => {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut new_entity = Entity { id: NEXT_ENTITY_ID,
[INFO] [stdout]    |                     ----^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/main.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub fn print(self : &Self) {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         id : u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/main.rs:122:16
[INFO] [stdout]     |
[INFO] [stdout] 122 |         pub fn print(self : &Self) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PositionY`
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         PositionY = 1,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PositionZ`
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         PositionZ = 2
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/main.rs:200:16
[INFO] [stdout]     |
[INFO] [stdout] 200 |         pub fn print(self : &Self) {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     simple_logger::init();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `keyOption` should have a snake case name
[INFO] [stdout]    --> src/main.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |             let keyOption = self.keys.range((Unbounded, (Included(t)))).next_back();
[INFO] [stdout]     |                 ^^^^^^^^^ help: convert the identifier to snake case: `key_option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "57e4d9c57386ceee3ff5435820659965480c3e72d0f329427e91ea0d86efe780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e4d9c57386ceee3ff5435820659965480c3e72d0f329427e91ea0d86efe780", kill_on_drop: false }`
[INFO] [stdout] 57e4d9c57386ceee3ff5435820659965480c3e72d0f329427e91ea0d86efe780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e30ccc19521e8dd717d3d6d19cc754175153fb52c80fbb385ecfaafbb7e95ce
[INFO] running `Command { std: "docker" "start" "-a" "3e30ccc19521e8dd717d3d6d19cc754175153fb52c80fbb385ecfaafbb7e95ce", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/main.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 for (id, entity) in &self.entities {
[INFO] [stderr]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `label`
[INFO] [stderr]    --> src/main.rs:124:18
[INFO] [stderr]     |
[INFO] [stderr] 124 |             for (label, graph) in &self.graphs {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/main.rs:190:23
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 Some((key, value)) => {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 let mut new_entity = Entity { id: NEXT_ENTITY_ID,
[INFO] [stderr]    |                     ----^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]   --> src/main.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |         pub fn print(self : &Self) {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         id : u16,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/main.rs:122:16
[INFO] [stderr]     |
[INFO] [stderr] 122 |         pub fn print(self : &Self) {
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PositionY`
[INFO] [stderr]    --> src/main.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         PositionY = 1,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PositionZ`
[INFO] [stderr]    --> src/main.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         PositionZ = 2
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/main.rs:200:16
[INFO] [stderr]     |
[INFO] [stderr] 200 |         pub fn print(self : &Self) {
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     simple_logger::init();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `keyOption` should have a snake case name
[INFO] [stderr]    --> src/main.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let keyOption = self.keys.range((Unbounded, (Included(t)))).next_back();
[INFO] [stderr]     |                 ^^^^^^^^^ help: convert the identifier to snake case: `key_option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_simple` (bin "rust_simple" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_simple-34b2321a075dae16)
[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" "3e30ccc19521e8dd717d3d6d19cc754175153fb52c80fbb385ecfaafbb7e95ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e30ccc19521e8dd717d3d6d19cc754175153fb52c80fbb385ecfaafbb7e95ce", kill_on_drop: false }`
[INFO] [stdout] 3e30ccc19521e8dd717d3d6d19cc754175153fb52c80fbb385ecfaafbb7e95ce