[INFO] cloning repository https://github.com/JoshuaRadin37/Infection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshuaRadin37/Infection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2FInfection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2FInfection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afe8199626de3f5da35e161c871aa3ec6b536777
[INFO] checking JoshuaRadin37/Infection against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2FInfection" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JoshuaRadin37/Infection
[INFO] finished tweaking git repo https://github.com/JoshuaRadin37/Infection
[INFO] tweaked toml for git repo https://github.com/JoshuaRadin37/Infection written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JoshuaRadin37/Infection on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JoshuaRadin37/Infection 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" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df26846a58ede01d01f51e2eaf9288f526ad56c8c88db01fe3b141f9c6b58665
[INFO] running `Command { std: "docker" "start" "-a" "df26846a58ede01d01f51e2eaf9288f526ad56c8c88db01fe3b141f9c6b58665", kill_on_drop: false }`
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[INFO] [stdout] 7266847bb0533ce93acaa357157a87503155c71e7e3c748698abbb748be939e0
[INFO] running `Command { std: "docker" "start" "-a" "7266847bb0533ce93acaa357157a87503155c71e7e3c748698abbb748be939e0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.105
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[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking criterion-plot v0.4.1
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[INFO] [stderr]     Checking structure v0.1.0 (/opt/rustwide/workdir/structure)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> structure/src/time.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |         Years(usize::from((self.into_minutes() / 60 / 24 / 365)) as YearsType)
[INFO] [stdout]     |                           ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -         Years(usize::from((self.into_minutes() / 60 / 24 / 365)) as YearsType)
[INFO] [stdout] 243 +         Years(usize::from(self.into_minutes() / 60 / 24 / 365 ) as YearsType)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> structure/src/time.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |         Years(usize::from((self.into_minutes() / 60 / 24 / 365)) as YearsType)
[INFO] [stdout]     |                           ^                                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -         Years(usize::from((self.into_minutes() / 60 / 24 / 365)) as YearsType)
[INFO] [stdout] 243 +         Years(usize::from(self.into_minutes() / 60 / 24 / 365 ) as YearsType)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> structure/src/graph.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let mut g_prime = g.clone();
[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] [stderr]     Checking csv v1.1.3
[INFO] [stdout] warning: method `add_nodes` is never used
[INFO] [stdout]    --> structure/src/graph.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | / impl<ID, W, T> Graph<ID, W, T>
[INFO] [stdout] 188 | | where
[INFO] [stdout] 189 | |     ID: Eq + Hash + Copy,
[INFO] [stdout] 190 | |     T: Copy,
[INFO] [stdout]     | |____________- method in this implementation
[INFO] [stdout] 191 |   {
[INFO] [stdout] 192 |       fn add_nodes<I>(&mut self, id: I, value: T) -> GraphResult<ID>
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_edge_default` is never used
[INFO] [stdout]    --> structure/src/graph.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 222 | / impl<ID, W, T> Graph<ID, W, T>
[INFO] [stdout] 223 | | where
[INFO] [stdout] 224 | |     ID: Eq + Hash + Copy,
[INFO] [stdout] 225 | |     W: Default,
[INFO] [stdout]     | |_______________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |       fn add_edge_default(&mut self, u: ID, v: ID) -> GraphResult<ID> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking infection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/game/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[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: `Deref`
[INFO] [stdout]  --> src/game/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{AddAssign, Deref};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Error, Formatter, Result};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeUnit`
[INFO] [stdout]   --> src/game/pathogen/mod.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use structure::time::{Time, TimeUnit};
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/infection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Distribution`
[INFO] [stdout]  --> src/game/pathogen/infection.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::Distribution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/game/pathogen/symptoms.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Error, Formatter, Result};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/game/pathogen/symptoms.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/symptoms.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     use std::cell::RefCell;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:316:26
[INFO] [stdout]     |
[INFO] [stdout] 316 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/game/pathogen/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stdout]  --> src/game/population/mod.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `Ref`
[INFO] [stdout]  --> src/game/population/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering` and `min`
[INFO] [stdout]  --> src/game/population/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{min, Ordering};
[INFO] [stdout]   |                ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/game/population/mod.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Debug, Display, Error, Formatter, Result};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/game/population/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::DerefMut`
[INFO] [stdout]  --> src/game/population/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::DerefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/population/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutexGuard`, `PoisonError`, and `RwLockReadGuard`
[INFO] [stdout]  --> src/game/population/mod.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, RwLock, RwLockReadGuard};
[INFO] [stdout]   |                             ^^^^^^^^^^  ^^^^^^^^^^^          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicBool`
[INFO] [stdout]  --> src/game/population/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::AtomicBool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::Relaxed`
[INFO] [stdout]   --> src/game/population/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::atomic::Ordering::Relaxed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::pathogen::symptoms::Symp`
[INFO] [stdout]   --> src/game/population/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::game::pathogen::symptoms::Symp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/game/population/person_behavior/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RwLockReadGuard`, `RwLockWriteGuard`, and `TryLockError`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex, RwLockReadGuard, RwLockWriteGuard, TryLockError};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::pathogen::infection::Infection`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::game::pathogen::infection::Infection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Person`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::game::population::{Person, Population};
[INFO] [stdout]   |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game/population/person_behavior/interaction.rs:76:41
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let mut arc = arc.unwrap(); // we know we have some value
[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/game/population/person_behavior/interaction.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut new_add = Arc::new(Mutex::new(vec![]));
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/game/population/person_behavior/interaction.rs:67:45
[INFO] [stdout]    |
[INFO] [stdout] 67 | ...                   'inner: for i in 0..pop_size {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/game/population/mod.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 let mut lock = self.infection.lock();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/game/population/mod.rs:377:25
[INFO] [stdout]     |
[INFO] [stdout] 377 |                         i => 100.0,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]    --> src/game/population/mod.rs:476:40
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn parallel_update_self(&mut self, delta_time: usize) {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/game/mod.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |     while delta_time < &mut TICKS_TO_GAME_MIN {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/game/mod.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 | const TICKS_TO_GAME_MIN: usize = 20;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USE_PARALLEL` is never used
[INFO] [stdout]   --> src/game/mod.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | const USE_PARALLEL: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `population` and `size` are never read
[INFO] [stdout]  --> src/game/board.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Chunk {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 8 |     population: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     size: f64,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `chunk_graph` is never read
[INFO] [stdout]   --> src/game/board.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct GameBoard {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 41 |     chunk_graph: Graph<usize, Adjacency, Chunk>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutation` is never read
[INFO] [stdout]   --> src/game/pathogen/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Pathogen {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     mutation: f64,                 // chance on new infection the pathogen mutates
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pathogen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_recovery_symptom` is never used
[INFO] [stdout]    --> src/game/pathogen/mod.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout]  45 | impl Pathogen {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn add_recovery_symptom<F>(&mut self, function: F)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `modifiers` is never read
[INFO] [stdout]   --> src/game/population/mod.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Person {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     modifiers: Mutex<Vec<Box<dyn HealthModifier + Sync + Send>>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `factory` and `growth_rate` are never read
[INFO] [stdout]    --> src/game/population/mod.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub struct Population {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 327 |     factory: Arc<Mutex<PersonBuilder>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     growth_rate: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:241:16
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn add(&mut self, symptom: Symptom) -> SymptomMapBuilderEntry {
[INFO] [stdout]     |                ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn add(&mut self, symptom: Symptom) -> SymptomMapBuilderEntry<'_> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 291 |     ) -> SymptomMapBuilderEntry {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     ) -> SymptomMapBuilderEntry<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:306:13
[INFO] [stdout]     |
[INFO] [stdout] 306 | /             self.map_builder
[INFO] [stdout] 307 | |                 .add_next_symptom(self.node, next, mutation_chance);
[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] 306 |             let _ = self.map_builder
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> benches/interact.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Range;
[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: `BenchmarkId`
[INFO] [stdout]  --> benches/interact.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use criterion::{BenchmarkId, Criterion, Throughput};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `infection::game::Update`
[INFO] [stdout]   --> benches/interact.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use infection::game::Update;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> tests/single_infection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[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: `std::rc::Rc`
[INFO] [stdout]  --> tests/single_infection.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Symptom`
[INFO] [stdout]  --> tests/single_infection.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 | use infection::game::pathogen::symptoms::{Symptom, SymptomMap};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structure::graph::Graph`
[INFO] [stdout]  --> tests/single_infection.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use structure::graph::Graph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> benches/community.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[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: `ParallelUpdate`
[INFO] [stdout]  --> benches/community.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use infection::game::{ParallelUpdate, Update};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Virus`
[INFO] [stdout]   --> benches/community.rs:15:54
[INFO] [stdout]    |
[INFO] [stdout] 15 | use infection::game::pathogen::types::{PathogenType, Virus};
[INFO] [stdout]    |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SymptomMap`
[INFO] [stdout]  --> tests/single_infection.rs:7:52
[INFO] [stdout]   |
[INFO] [stdout] 7 | use infection::game::pathogen::symptoms::{Symptom, SymptomMap};
[INFO] [stdout]   |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `std_dev_time`
[INFO] [stdout]   --> tests/single_infection.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let std_dev_time = Minutes(std_dev);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_std_dev_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathogenType`
[INFO] [stdout]   --> benches/community.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 | use infection::game::pathogen::types::{PathogenType, Virus};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/community.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut pathogen = Arc::new(p);
[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: `guard`
[INFO] [stdout]   --> benches/community.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let guard = pop_arc.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/game/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[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: `Deref`
[INFO] [stdout]  --> src/game/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{AddAssign, Deref};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Error, Formatter, Result};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/game/pathogen/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeUnit`
[INFO] [stdout]   --> src/game/pathogen/mod.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 | use structure::time::{Time, TimeUnit};
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/infection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Distribution`
[INFO] [stdout]  --> src/game/pathogen/infection.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::Distribution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/game/pathogen/infection.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use std::collections::HashSet;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/game/pathogen/infection.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use std::rc::Rc;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structure::graph::Graph`
[INFO] [stdout]   --> src/game/pathogen/infection.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use structure::graph::Graph;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/game/pathogen/symptoms.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Error, Formatter, Result};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/game/pathogen/symptoms.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/symptoms.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     use std::cell::RefCell;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:316:26
[INFO] [stdout]     |
[INFO] [stdout] 316 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 547 |     use std::cell::RefCell;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |     use rand::thread_rng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/game/pathogen/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/pathogen/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeUnit`
[INFO] [stdout]   --> src/game/pathogen/types.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use structure::time::{Time, TimeUnit};
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Virus`
[INFO] [stdout]    --> src/game/pathogen/mod.rs:273:54
[INFO] [stdout]     |
[INFO] [stdout] 273 |     use crate::game::pathogen::types::{PathogenType, Virus};
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stdout]  --> src/game/population/mod.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `Ref`
[INFO] [stdout]  --> src/game/population/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering` and `min`
[INFO] [stdout]  --> src/game/population/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{min, Ordering};
[INFO] [stdout]   |                ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/game/population/mod.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Debug, Display, Error, Formatter, Result};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/game/population/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::DerefMut`
[INFO] [stdout]  --> src/game/population/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::DerefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/game/population/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MutexGuard`, `PoisonError`, and `RwLockReadGuard`
[INFO] [stdout]  --> src/game/population/mod.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, RwLock, RwLockReadGuard};
[INFO] [stdout]   |                             ^^^^^^^^^^  ^^^^^^^^^^^          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicBool`
[INFO] [stdout]  --> src/game/population/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::atomic::AtomicBool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::Relaxed`
[INFO] [stdout]   --> src/game/population/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::atomic::Ordering::Relaxed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::pathogen::symptoms::Symp`
[INFO] [stdout]   --> src/game/population/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::game::pathogen::symptoms::Symp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/game/population/person_behavior/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RwLockReadGuard`, `RwLockWriteGuard`, and `TryLockError`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex, RwLockReadGuard, RwLockWriteGuard, TryLockError};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::pathogen::infection::Infection`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::game::pathogen::infection::Infection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Person`
[INFO] [stdout]  --> src/game/population/person_behavior/interaction.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::game::population::{Person, Population};
[INFO] [stdout]   |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stdout]    --> src/game/population/mod.rs:534:23
[INFO] [stdout]     |
[INFO] [stdout] 534 |     use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]     |                       ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]    --> src/game/population/mod.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |     use std::collections::HashSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]    --> src/game/population/mod.rs:536:9
[INFO] [stdout]     |
[INFO] [stdout] 536 |     use std::rc::Rc;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PopulationDistribution`
[INFO] [stdout]    --> src/game/population/mod.rs:546:44
[INFO] [stdout]     |
[INFO] [stdout] 546 |         Person, PersonBuilder, Population, PopulationDistribution, UniformDistribution,
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]    --> src/game/mod.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use std::borrow::BorrowMut;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> tests/community_transfer.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::thread;
[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: `PathogenType`
[INFO] [stdout]    --> src/game/pathogen/mod.rs:273:40
[INFO] [stdout]     |
[INFO] [stdout] 273 |     use crate::game::pathogen::types::{PathogenType, Virus};
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game/pathogen/infection.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut time = std::time::SystemTime::now();
[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: `activations`
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let activations = Arc::new(Mutex::new(0));
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_activations`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attempt`
[INFO] [stdout]    --> src/game/pathogen/types.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         for attempt in 0..ATTEMPTS {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attempt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pathogen`
[INFO] [stdout]    --> src/game/pathogen/types.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let pathogen = Virus.create_pathogen("Test", 100);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pathogen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/community_transfer.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut pathogen = Arc::new(Virus.create_pathogen("Test", 100));
[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]   --> tests/community_transfer.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut pathogen = Arc::new(Virus.create_pathogen("Test", 100));
[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]    --> tests/community_transfer.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let mut pathogen = Arc::new(Virus.create_pathogen("Test", 100));
[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]    --> tests/community_transfer.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut loops = 0;
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loops`
[INFO] [stdout]    --> tests/community_transfer.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut loops = 0;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loops`
[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]    --> tests/community_transfer.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut pathogen = {
[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]    --> tests/community_transfer.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut pop = Population::new(
[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]    --> tests/community_transfer.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut pop = Population::new(
[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]    --> tests/community_transfer.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut pop = Population::new(
[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]    --> tests/community_transfer.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut pop = Population::new(
[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/game/pathogen/mod.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut arc = Arc::new(p);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person`
[INFO] [stdout]    --> src/game/pathogen/mod.rs:332:79
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let function: Arc<dyn Fn(&mut Person) + Send + Sync> = Arc::new(move |person| {
[INFO] [stdout]     |                                                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_person`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spread`
[INFO] [stdout]    --> tests/community_transfer.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |         let spread = loop {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game/population/person_behavior/interaction.rs:76:41
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let mut arc = arc.unwrap(); // we know we have some value
[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/game/population/person_behavior/interaction.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut new_add = Arc::new(Mutex::new(vec![]));
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/game/population/person_behavior/interaction.rs:67:45
[INFO] [stdout]    |
[INFO] [stdout] 67 | ...                   'inner: for i in 0..pop_size {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game/population/mod.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 let mut lock = self.infection.lock();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/game/population/mod.rs:377:25
[INFO] [stdout]     |
[INFO] [stdout] 377 |                         i => 100.0,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]    --> src/game/population/mod.rs:476:40
[INFO] [stdout]     |
[INFO] [stdout] 476 |     fn parallel_update_self(&mut self, delta_time: usize) {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game/population/mod.rs:633:13
[INFO] [stdout]     |
[INFO] [stdout] 633 |         let mut pathogen = Arc::new(Virus.create_pathogen("Test", 100));
[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/game/population/mod.rs:671:13
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let mut pathogen = Arc::new(p);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/game/mod.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |     while delta_time < &mut TICKS_TO_GAME_MIN {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/game/mod.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout]  26 | const TICKS_TO_GAME_MIN: usize = 20;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `USE_PARALLEL` is never used
[INFO] [stdout]   --> src/game/mod.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | const USE_PARALLEL: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `population` and `size` are never read
[INFO] [stdout]  --> src/game/board.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Chunk {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 8 |     population: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     size: f64,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `chunk_graph` is never read
[INFO] [stdout]   --> src/game/board.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct GameBoard {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 41 |     chunk_graph: Graph<usize, Adjacency, Chunk>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutation` is never read
[INFO] [stdout]   --> src/game/pathogen/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Pathogen {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     mutation: f64,                 // chance on new infection the pathogen mutates
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pathogen` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_recovery_symptom` is never used
[INFO] [stdout]    --> src/game/pathogen/mod.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout]  45 | impl Pathogen {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn add_recovery_symptom<F>(&mut self, function: F)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `modifiers` is never read
[INFO] [stdout]   --> src/game/population/mod.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Person {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     modifiers: Mutex<Vec<Box<dyn HealthModifier + Sync + Send>>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `factory` and `growth_rate` are never read
[INFO] [stdout]    --> src/game/population/mod.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub struct Population {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 327 |     factory: Arc<Mutex<PersonBuilder>>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     growth_rate: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:241:16
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn add(&mut self, symptom: Symptom) -> SymptomMapBuilderEntry {
[INFO] [stdout]     |                ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn add(&mut self, symptom: Symptom) -> SymptomMapBuilderEntry<'_> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 291 |     ) -> SymptomMapBuilderEntry {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 291 |     ) -> SymptomMapBuilderEntry<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:306:13
[INFO] [stdout]     |
[INFO] [stdout] 306 | /             self.map_builder
[INFO] [stdout] 307 | |                 .add_next_symptom(self.node, next, mutation_chance);
[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] 306 |             let _ = self.map_builder
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game/pathogen/symptoms.rs:595:9
[INFO] [stdout]     |
[INFO] [stdout] 595 |         tx.send(());
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 595 |         let _ = tx.send(());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7266847bb0533ce93acaa357157a87503155c71e7e3c748698abbb748be939e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7266847bb0533ce93acaa357157a87503155c71e7e3c748698abbb748be939e0", kill_on_drop: false }`
[INFO] [stdout] 7266847bb0533ce93acaa357157a87503155c71e7e3c748698abbb748be939e0
