[INFO] cloning repository https://github.com/eikrt/worldgen2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eikrt/worldgen2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feikrt%2Fworldgen2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feikrt%2Fworldgen2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1c5ac055863d57f160e33102307a79f3d5217a1
[INFO] checking eikrt/worldgen2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feikrt%2Fworldgen2" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eikrt/worldgen2
[INFO] finished tweaking git repo https://github.com/eikrt/worldgen2
[INFO] tweaked toml for git repo https://github.com/eikrt/worldgen2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eikrt/worldgen2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eikrt/worldgen2 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v2.0.0
[INFO] [stderr]   Downloaded noise v0.9.0
[INFO] [stderr]   Downloaded gnuplot v0.0.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bada28492e48e9622dff90ec851101ee9d2ec3214d185877428ef3724cc87731
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[INFO] [stdout] bada28492e48e9622dff90ec851101ee9d2ec3214d185877428ef3724cc87731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
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[INFO] [stderr]     Checking crossbeam v0.8.4
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[INFO] [stderr]     Checking gnuplot v0.0.43
[INFO] [stderr]     Checking U v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]  --> src/renderer.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::worldgen::{Chunk, Coords, Faction, CHUNK_SIZE, TILE_SIZE};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]  --> src/renderer.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::worldgen::{Chunk, Coords, Faction, CHUNK_SIZE, TILE_SIZE};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/bitmap.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |         for (index, character) in input_string.chars().enumerate() {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/bitmap.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |         for (index, character) in input_string.chars().enumerate() {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/renderer.rs:169:29
[INFO] [stdout]     |
[INFO] [stdout] 169 |                         let mut text = n;
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/renderer.rs:169:29
[INFO] [stdout]     |
[INFO] [stdout] 169 |                         let mut text = n;
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `faction`
[INFO] [stdout]   --> src/worldgen.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn gen_human_name(faction: Faction, gender: &Gender) -> String {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_faction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `faction`
[INFO] [stdout]   --> src/worldgen.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn gen_human_name(faction: Faction, gender: &Gender) -> String {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_faction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vel`
[INFO] [stdout]    --> src/worldgen.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         vel: (f32, f32),
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_vel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vel`
[INFO] [stdout]    --> src/worldgen.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         vel: (f32, f32),
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_vel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `roll`
[INFO] [stdout]    --> src/worldgen.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let roll = rng.gen_range(0..10);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_roll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `roll`
[INFO] [stdout]    --> src/worldgen.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let roll = rng.gen_range(0..10);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_roll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_increment`
[INFO] [stdout]    --> src/worldgen.rs:286:59
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn resolve_against(&mut self, other: &mut Entity, step_increment: i32) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_increment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_increment`
[INFO] [stdout]    --> src/worldgen.rs:286:59
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn resolve_against(&mut self, other: &mut Entity, step_increment: i32) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_increment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/worldgen.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         for i in 0..step_increment {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/worldgen.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         for i in 0..step_increment {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_increment`
[INFO] [stdout]    --> src/worldgen.rs:506:39
[INFO] [stdout]     |
[INFO] [stdout] 506 |     pub fn resolve_between(&mut self, step_increment: i32) {}
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_increment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fight`, `animal_husbandry`, `industry`, `farm`, and `oil_rig` are never read
[INFO] [stdout]   --> src/worldgen.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Tasks {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 31 |     build: (u8, bool),
[INFO] [stdout] 32 |     fight: (u8, bool),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     animal_husbandry: (u8, bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     industry: (u8, bool),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 35 |     farm: (u8, bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     oil_rig: (u8, bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tasks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_increment`
[INFO] [stdout]    --> src/worldgen.rs:506:39
[INFO] [stdout]     |
[INFO] [stdout] 506 |     pub fn resolve_between(&mut self, step_increment: i32) {}
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_increment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intelligence` and `agility` are never read
[INFO] [stdout]   --> src/worldgen.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Stats {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 97 |     intelligence: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 98 |     agility: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `FinWords` should have an upper case name
[INFO] [stdout]  --> src/lang.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub static ref FinWords: HashMap<String, Pos> =
[INFO] [stdout]   |                    ^^^^^^^^ help: convert the identifier to upper case: `FIN_WORDS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `EstWords` should have an upper case name
[INFO] [stdout]  --> src/lang.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static ref EstWords: HashMap<String, Pos> =
[INFO] [stdout]   |                    ^^^^^^^^ help: convert the identifier to upper case: `EST_WORDS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RusWords` should have an upper case name
[INFO] [stdout]  --> src/lang.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static ref RusWords: HashMap<String, Pos> = HashMap::from([("".to_string(), Pos::Verb)]);
[INFO] [stdout]   |                    ^^^^^^^^ help: convert the identifier to upper case: `RUS_WORDS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fight`, `animal_husbandry`, `industry`, `farm`, and `oil_rig` are never read
[INFO] [stdout]   --> src/worldgen.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Tasks {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 31 |     build: (u8, bool),
[INFO] [stdout] 32 |     fight: (u8, bool),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     animal_husbandry: (u8, bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 34 |     industry: (u8, bool),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 35 |     farm: (u8, bool),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     oil_rig: (u8, bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tasks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intelligence` and `agility` are never read
[INFO] [stdout]   --> src/worldgen.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Stats {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 97 |     intelligence: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 98 |     agility: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `U` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `u`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `FinWords` should have an upper case name
[INFO] [stdout]  --> src/lang.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub static ref FinWords: HashMap<String, Pos> =
[INFO] [stdout]   |                    ^^^^^^^^ help: convert the identifier to upper case: `FIN_WORDS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `EstWords` should have an upper case name
[INFO] [stdout]  --> src/lang.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub static ref EstWords: HashMap<String, Pos> =
[INFO] [stdout]   |                    ^^^^^^^^ help: convert the identifier to upper case: `EST_WORDS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RusWords` should have an upper case name
[INFO] [stdout]  --> src/lang.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static ref RusWords: HashMap<String, Pos> = HashMap::from([("".to_string(), Pos::Verb)]);
[INFO] [stdout]   |                    ^^^^^^^^ help: convert the identifier to upper case: `RUS_WORDS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/plot.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = fg.show();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/plot.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = fg.show();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::iter::Map` that must be used
[INFO] [stdout]    --> src/worldgen.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 | /         self.entities
[INFO] [stdout] 467 | |             .iter()
[INFO] [stdout] 468 | |             .map(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = self.entities
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Iterator::map` call that discard the iterator's values
[INFO] [stdout]    --> src/worldgen.rs:468:14
[INFO] [stdout]     |
[INFO] [stdout] 468 |             .map(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout]     |              ^^^^-----------------------------------------^
[INFO] [stdout]     |              |   |
[INFO] [stdout]     |              |   this function returns `()`, which is likely not what you wanted
[INFO] [stdout]     |              |   called `Iterator::map` with callable that returns `()`
[INFO] [stdout]     |              after this call to map, the resulting iterator is `impl Iterator<Item = ()>`, which means the only information carried by the iterator is the number of items
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Iterator::map`, like many of the methods on `Iterator`, gets executed lazily, meaning that its effects won't be visible until it is iterated
[INFO] [stdout]     = note: `#[warn(map_unit_fn)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to use `Iterator::for_each`
[INFO] [stdout]     |
[INFO] [stdout] 468 -             .map(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout] 468 +             .for_each(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::iter::Map` that must be used
[INFO] [stdout]    --> src/worldgen.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 | /         self.entities
[INFO] [stdout] 467 | |             .iter()
[INFO] [stdout] 468 | |             .map(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout]     | |___________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = self.entities
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `Iterator::map` call that discard the iterator's values
[INFO] [stdout]    --> src/worldgen.rs:468:14
[INFO] [stdout]     |
[INFO] [stdout] 468 |             .map(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout]     |              ^^^^-----------------------------------------^
[INFO] [stdout]     |              |   |
[INFO] [stdout]     |              |   this function returns `()`, which is likely not what you wanted
[INFO] [stdout]     |              |   called `Iterator::map` with callable that returns `()`
[INFO] [stdout]     |              after this call to map, the resulting iterator is `impl Iterator<Item = ()>`, which means the only information carried by the iterator is the number of items
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Iterator::map`, like many of the methods on `Iterator`, gets executed lazily, meaning that its effects won't be visible until it is iterated
[INFO] [stdout]     = note: `#[warn(map_unit_fn)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to use `Iterator::for_each`
[INFO] [stdout]     |
[INFO] [stdout] 468 -             .map(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout] 468 +             .for_each(|e| coin_count += e.inventory.get_coins());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `U::plot::plot`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use U::plot::plot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut step_increment = 1;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut vic_world = 0;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut render = false;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut world = &mut worlds[vic_world];
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(e) => panic!("End..."),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `step` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut step = 0;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_step` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut render = false;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `step` is never read
[INFO] [stdout]   --> src/main.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         step += step_increment;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `U::plot::plot`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use U::plot::plot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut step_increment = 1;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut vic_world = 0;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut render = false;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut world = &mut worlds[vic_world];
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Err(e) => panic!("End..."),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `step` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut step = 0;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_step` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut render = false;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `step` is never read
[INFO] [stdout]   --> src/main.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         step += step_increment;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "7d1a3ca29496c0934e9f533746f05f7087719d0dbebeeff82966de5bdc3929bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1a3ca29496c0934e9f533746f05f7087719d0dbebeeff82966de5bdc3929bf", kill_on_drop: false }`
[INFO] [stdout] 7d1a3ca29496c0934e9f533746f05f7087719d0dbebeeff82966de5bdc3929bf