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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngmmartins%2Froguelike-tutorial" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch03-walkmap/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch09-items/src/gui.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch09-items/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch09-items/src/spawner.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch10-ranged/src/gui.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch10-ranged/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch10-ranged/src/spawner.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch07-damage/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch09-items/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch03-walkmap/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch09-items/src/gui.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch09-items/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch09-items/src/spawner.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch06-monsters/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch09-items/src/monster_ai_system.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch09-items/src/monster_ai_system.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch07-damage/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch02-helloecs v0.1.0 (/opt/rustwide/workdir/ch02-helloecs)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch12-delvingdeeper/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch12-delvingdeeper/src/spawner.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch19-food/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch19-food/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch19-food/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch07-damage/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch07-damage/src/monster_ai_system.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch07-damage/src/monster_ai_system.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch10-ranged/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch16-nicewalls/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch16-nicewalls/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch16-nicewalls/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch18-particles v0.1.0 (/opt/rustwide/workdir/ch18-particles)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch09-items/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch10-ranged/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch10-ranged/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch07-damage/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch21-rexmenu/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch21-rexmenu/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch21-rexmenu/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch07-damage/src/monster_ai_system.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch07-damage/src/monster_ai_system.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch06-monsters/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch11-loadsave/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch11-loadsave/src/spawner.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch09-items/src/monster_ai_system.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch09-items/src/monster_ai_system.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch20-magicmapping/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch20-magicmapping/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch20-magicmapping/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch14-gear/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch05-fov v0.1.0 (/opt/rustwide/workdir/ch05-fov)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch14-gear/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch14-gear/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch17-blood/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch17-blood/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch17-blood/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch22-simpletraps/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch22-simpletraps/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch22-simpletraps/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch05-fov/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch13-difficulty v0.1.0 (/opt/rustwide/workdir/ch13-difficulty)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch16-nicewalls/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch16-nicewalls/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch16-nicewalls/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch21-rexmenu/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch21-rexmenu/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch21-rexmenu/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch11-loadsave/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch11-loadsave/src/spawner.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch18-particles/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch18-particles/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch18-particles/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch13-difficulty/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch13-difficulty/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch13-difficulty/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch17-blood/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch17-blood/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch17-blood/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch19-food/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch19-food/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch19-food/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch12-delvingdeeper/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch12-delvingdeeper/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch12-delvingdeeper/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch11-loadsave/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch11-loadsave/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch11-loadsave/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch19-food/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch19-food/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch21-rexmenu/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch21-rexmenu/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch19-food/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch16-nicewalls/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch16-nicewalls/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch21-rexmenu/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch16-nicewalls/src/damage_system.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch21-rexmenu/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch21-rexmenu/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch20-magicmapping/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch20-magicmapping/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch14-gear/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch14-gear/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch17-blood/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch17-blood/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch17-blood/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch20-magicmapping/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch14-gear/src/damage_system.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch01-hellorust v0.1.0 (/opt/rustwide/workdir/ch01-hellorust)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch19-food/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch11-loadsave/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch11-loadsave/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch16-nicewalls/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch16-nicewalls/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch19-food/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch11-loadsave/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch16-nicewalls/src/damage_system.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch13-difficulty/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch13-difficulty/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch13-difficulty/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch22-simpletraps/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch22-simpletraps/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch22-simpletraps/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch05-fov/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch20-magicmapping/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch20-magicmapping/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch08-ui v0.1.0 (/opt/rustwide/workdir/ch08-ui)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch21-rexmenu/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch21-rexmenu/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch21-rexmenu/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[INFO] [stdout]    |                      ----^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch04-newmap v0.1.0 (/opt/rustwide/workdir/ch04-newmap)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch08-ui/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch22-simpletraps/src/monster_ai_system.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch22-simpletraps/src/monster_ai_system.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch22-simpletraps/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch21-rexmenu/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch21-rexmenu/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch08-ui/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch10-ranged/src/gui.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch10-ranged/src/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch10-ranged/src/spawner.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch12-delvingdeeper/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch12-delvingdeeper/src/spawner.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch22-simpletraps/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch22-simpletraps/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch08-ui/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch08-ui/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch18-particles/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch18-particles/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch18-particles/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch10-ranged/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch14-gear/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch14-gear/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch14-gear/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch17-blood/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch17-blood/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch08-ui/src/monster_ai_system.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch08-ui/src/monster_ai_system.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch08-ui/src/monster_ai_system.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch08-ui/src/monster_ai_system.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch10-ranged/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch10-ranged/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch17-blood/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch18-particles/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch18-particles/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch13-difficulty/src/map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch13-difficulty/src/spawner.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch13-difficulty/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch18-particles/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[INFO] [stdout]    |                      ----^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch20-magicmapping/src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch20-magicmapping/src/spawner.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{collections::HashMap, usize};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> ch20-magicmapping/src/random_table.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> ch22-simpletraps/src/monster_ai_system.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch22-simpletraps/src/monster_ai_system.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch22-simpletraps/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch19-food/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch19-food/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch19-food/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch22-simpletraps/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch22-simpletraps/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch18-particles/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch19-food/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch19-food/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch13-difficulty/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch13-difficulty/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch13-difficulty/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch14-gear/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch14-gear/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch14-gear/src/damage_system.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch12-delvingdeeper/src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch12-delvingdeeper/src/monster_ai_system.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch12-delvingdeeper/src/damage_system.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[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]   --> ch20-magicmapping/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch20-magicmapping/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch20-magicmapping/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch20-magicmapping/src/hunger_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
[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]   --> ch20-magicmapping/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[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]   --> ch18-particles/src/monster_ai_system.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch18-particles/src/monster_ai_system.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |         for (entity, mut viewshed, _monster, mut pos) in
[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]   --> ch18-particles/src/damage_system.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for (entity, mut stats, damage) in (&entities, &mut stats, &damage).join() {
[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]   --> ch18-particles/src/particle_system.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `specs`
[INFO] [stderr]   --> ch01-hellorust/Cargo.toml:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | specs = "0.16.1"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `specs`
[INFO] [stderr] warning: unused dependency `specs-derive`
[INFO] [stderr]   --> ch01-hellorust/Cargo.toml:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | specs-derive = "0.4.1"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `specs-derive`
[INFO] [stderr] warning: `ch01-hellorust` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "22de4ceccffaf595358fefeec28637411e28960e630f514b046633a8f67d52ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22de4ceccffaf595358fefeec28637411e28960e630f514b046633a8f67d52ec", kill_on_drop: false }`
[INFO] [stdout] 22de4ceccffaf595358fefeec28637411e28960e630f514b046633a8f67d52ec
