[INFO] updating cached repository https://github.com/AlterionX/crossarena
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3413071e091cdf9e7f0e9a21256fe637bb22c8c
[INFO] testing AlterionX/crossarena against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlterionX%2Fcrossarena" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlterionX/crossarena on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AlterionX/crossarena
[INFO] finished tweaking git repo https://github.com/AlterionX/crossarena
[INFO] tweaked toml for git repo https://github.com/AlterionX/crossarena written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AlterionX/crossarena already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c717cda1ba5db2bd1b07f72761fd7fa8a421fdbbb6e08acdfad7c1c7b0640d33
[INFO] running `"docker" "start" "-a" "c717cda1ba5db2bd1b07f72761fd7fa8a421fdbbb6e08acdfad7c1c7b0640d33"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling mint v0.5.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling tap v0.4.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling gdnative-derive v0.5.0 (https://github.com/GodotNativeTools/godot-rust?rev=e95c7e6e8ec0cade723c6bda5dbb5c72b6fcb6a8#e95c7e6e)
[INFO] [stderr]    Compiling euclid v0.20.3
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling fern v0.5.9
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling gdnative_bindings_generator v0.2.0 (https://github.com/GodotNativeTools/godot-rust?rev=e95c7e6e8ec0cade723c6bda5dbb5c72b6fcb6a8#e95c7e6e)
[INFO] [stderr]    Compiling gdnative-sys v0.5.0 (https://github.com/GodotNativeTools/godot-rust?rev=e95c7e6e8ec0cade723c6bda5dbb5c72b6fcb6a8#e95c7e6e)
[INFO] [stderr]    Compiling gdnative-core v0.5.0 (https://github.com/GodotNativeTools/godot-rust?rev=e95c7e6e8ec0cade723c6bda5dbb5c72b6fcb6a8#e95c7e6e)
[INFO] [stderr]    Compiling gdnative-bindings v0.1.0 (https://github.com/GodotNativeTools/godot-rust?rev=e95c7e6e8ec0cade723c6bda5dbb5c72b6fcb6a8#e95c7e6e)
[INFO] [stderr]    Compiling gdnative v0.5.0 (https://github.com/GodotNativeTools/godot-rust?rev=e95c7e6e8ec0cade723c6bda5dbb5c72b6fcb6a8#e95c7e6e)
[INFO] [stderr]    Compiling crossarena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `GodotString`, `Property`
[INFO] [stderr]  --> src/entity/enemy.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     init::{ClassBuilder, Property, Signal, SignalArgument, PropertyHint, PropertyUsage,},
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DEFAULT_USAGE`
[INFO] [stderr]   --> src/entity/enemy.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         DEFAULT_USAGE,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Variant`
[INFO] [stderr]   --> src/entity/forge.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Variant,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GodotString`
[INFO] [stderr]  --> src/entity/projectile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self as godot`
[INFO] [stderr]  --> src/event_bus.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     self as godot,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/event_bus.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[inherit(Node)]
[INFO] [stderr]   |          ^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/records.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[inherit(Node)]
[INFO] [stderr]    |          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/ui/start.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[inherit(Control)]
[INFO] [stderr]   |          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Container`, `Control`, `GodotString`
[INFO] [stderr]  --> src/ui/inventory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Control,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 5 |     Container,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 6 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/entity/player.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             .tap_ok(|e| log::info!("Successfully crafted {:?}!", recipe));
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]   --> src/entity/forge.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn instance_init(&mut self, owner: StaticBody2D, ui_node: Node) {
[INFO] [stderr]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]   --> src/ui.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn init(owner: Self::Base) -> Self {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]  --> src/ui/start.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn _init(owner: Control) -> Self {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/entity/arena.rs:207:35
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn setup_next_wave(&mut self, mut owner: Node) {
[INFO] [stderr]     |                                   ----^^^^^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `accel_time`
[INFO] [stderr]   --> src/entity/player.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     accel_time: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `remaining_accel`
[INFO] [stderr]   --> src/entity/player.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     remaining_accel: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_drops`
[INFO] [stderr]    --> src/entity/enemy.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 |     pub fn get_drops(&self, wave: u64) -> Vec<items::Stack> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `BEGIN_WAVE`
[INFO] [stderr]   --> src/ui.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     const BEGIN_WAVE: &'static str = "trigger_wave";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Full`
[INFO] [stderr]   --> src/systems/items.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Full,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MismatchedItemGroup`
[INFO] [stderr]   --> src/systems/items.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     MismatchedItemGroup(Vec<Stack>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_composed_of`
[INFO] [stderr]    --> src/systems/items.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn is_composed_of(&self, item: &Item) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `group_stacks`
[INFO] [stderr]    --> src/systems/items.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn group_stacks(stacks: Vec<Self>) -> HashMap<Item, Vec<Self>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `collapse_stacks`
[INFO] [stderr]    --> src/systems/items.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn collapse_stacks(mut stacks: Vec<Self>) -> Result<Vec<Self>, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OverflowItems`
[INFO] [stderr]   --> src/crafting.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     OverflowItems(Vec<items::Stack>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/entity/player.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 | /         recipe
[INFO] [stderr] 288 | |             .attempt_craft(&mut self.inventory)
[INFO] [stderr] 289 | |             .tap_err(|e| log::error!("Failed to craft recipe {:?} due to {:?}.", recipe, e))
[INFO] [stderr] 290 | |             .tap_ok(|e| log::info!("Successfully crafted {:?}!", recipe));
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/entity/forge.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 | /                     instance.map_mut(|ui, base| ui.to_forge(base))
[INFO] [stderr] 105 | |                         .tap_err(|e| log::error!("Could not transition to forge due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui.rs:132:33
[INFO] [stderr]     |
[INFO] [stderr] 132 | / ...                   instance.map_mut(|ui, base| {
[INFO] [stderr] 133 | | ...                       ui.render_recipes(base);
[INFO] [stderr] 134 | | ...                   })
[INFO] [stderr] 135 | | ...                   .tap_err(|e| log::error!("Could not invoke `render_recipes` due to {:?}.", e));
[INFO] [stderr]     | |_____________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui.rs:153:33
[INFO] [stderr]     |
[INFO] [stderr] 153 | / ...                   instance.map_mut(|ui, base| {
[INFO] [stderr] 154 | | ...                       ui.render_inventory(base);
[INFO] [stderr] 155 | | ...                   })
[INFO] [stderr] 156 | | ...                   .tap_err(|e| log::error!("Could not invoke `render_inventory` due to {:?}.", e));
[INFO] [stderr]     | |_______________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 | /                     instance.map_mut(|player, base| {
[INFO] [stderr] 109 | |                         if let Some(mut item_grid) = owner.get_node(self.item_grid_path.new_ref()) {
[INFO] [stderr] 110 | |                             while let Some(child) = item_grid.get_child(0) {
[INFO] [stderr] 111 | |                                 item_grid.remove_child(Some(child));
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |                     })
[INFO] [stderr] 127 | |                     .tap_err(|e| log::error!("Could not render inventory due to {:?}.", e));
[INFO] [stderr]     | |____________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:119:37
[INFO] [stderr]     |
[INFO] [stderr] 119 | / ...                   button.connect("button_up".into(), Some(base.to_object()), "use_item".into(), arr, 0)
[INFO] [stderr] 120 | | ...                       .tap_err(|e| log::error!("Could not connect item usage signal due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | / ...                   button.connect("button_up".into(), Some(owner.to_object()), "render_inventory".into(), VariantArray::new(), 0)
[INFO] [stderr] 122 | | ...                       .tap_err(|e| log::error!("Could not connect item usage signal due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `base_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref base_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^ help: convert the identifier to upper case: `BASE_PIXEL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `moderate_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     static ref moderate_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MODERATE_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `advanced_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     static ref advanced_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ADVANCED_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `master_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |     static ref master_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `MASTER_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `generic_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |     static ref generic_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: convert the identifier to upper case: `GENERIC_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `cheap_health_potion` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |     static ref cheap_health_potion: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHEAP_HEALTH_POTION`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `health_elixir` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |     static ref health_elixir: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: convert the identifier to upper case: `HEALTH_ELIXIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `recipes` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |     static ref recipes: Vec<Recipes> = vec![
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `RECIPES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:250:21
[INFO] [stderr]     |
[INFO] [stderr] 250 | /                     player.map_mut(move |player, base| {
[INFO] [stderr] 251 | |                         if let Some(mut recipe_columns) = self.recipe_columns(&owner) {
[INFO] [stderr] 252 | |                             while let Some(child) = recipe_columns.0.get_child(0) {
[INFO] [stderr] 253 | |                                 recipe_columns.0.remove_child(Some(child));
[INFO] [stderr] ...   |
[INFO] [stderr] 273 | |                         }
[INFO] [stderr] 274 | |                     }).tap_err(|e| log::error!("Could not find player due to {:?}!", e));
[INFO] [stderr]     | |_________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:267:37
[INFO] [stderr]     |
[INFO] [stderr] 267 | ...                   mark.connect("button_up".into(), Some(base.to_object()), "craft_recipe".into(), arr, 0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:268:37
[INFO] [stderr]     |
[INFO] [stderr] 268 | ...                   mark.connect("button_up".into(), Some(owner.to_object()), "render_recipes".into(), VariantArray::new(), 0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 14s
[INFO] running `"docker" "inspect" "c717cda1ba5db2bd1b07f72761fd7fa8a421fdbbb6e08acdfad7c1c7b0640d33"`
[INFO] running `"docker" "rm" "-f" "c717cda1ba5db2bd1b07f72761fd7fa8a421fdbbb6e08acdfad7c1c7b0640d33"`
[INFO] [stdout] c717cda1ba5db2bd1b07f72761fd7fa8a421fdbbb6e08acdfad7c1c7b0640d33
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b037d53c09b1d29330573006d3a31076d16ffaa121eec09d0233336d92afd42b
[INFO] running `"docker" "start" "-a" "b037d53c09b1d29330573006d3a31076d16ffaa121eec09d0233336d92afd42b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling crossarena v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `GodotString`, `Property`
[INFO] [stderr]  --> src/entity/enemy.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     init::{ClassBuilder, Property, Signal, SignalArgument, PropertyHint, PropertyUsage,},
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DEFAULT_USAGE`
[INFO] [stderr]   --> src/entity/enemy.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         DEFAULT_USAGE,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Variant`
[INFO] [stderr]   --> src/entity/forge.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Variant,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GodotString`
[INFO] [stderr]  --> src/entity/projectile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self as godot`
[INFO] [stderr]  --> src/event_bus.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     self as godot,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/event_bus.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[inherit(Node)]
[INFO] [stderr]   |          ^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/records.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[inherit(Node)]
[INFO] [stderr]    |          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/ui/start.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[inherit(Control)]
[INFO] [stderr]   |          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Container`, `Control`, `GodotString`
[INFO] [stderr]  --> src/ui/inventory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Control,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 5 |     Container,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 6 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/entity/player.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             .tap_ok(|e| log::info!("Successfully crafted {:?}!", recipe));
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]   --> src/entity/forge.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn instance_init(&mut self, owner: StaticBody2D, ui_node: Node) {
[INFO] [stderr]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]   --> src/ui.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn init(owner: Self::Base) -> Self {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]  --> src/ui/start.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn _init(owner: Control) -> Self {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/entity/arena.rs:207:35
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn setup_next_wave(&mut self, mut owner: Node) {
[INFO] [stderr]     |                                   ----^^^^^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `accel_time`
[INFO] [stderr]   --> src/entity/player.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     accel_time: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `remaining_accel`
[INFO] [stderr]   --> src/entity/player.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     remaining_accel: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_drops`
[INFO] [stderr]    --> src/entity/enemy.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 |     pub fn get_drops(&self, wave: u64) -> Vec<items::Stack> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `BEGIN_WAVE`
[INFO] [stderr]   --> src/ui.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     const BEGIN_WAVE: &'static str = "trigger_wave";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Full`
[INFO] [stderr]   --> src/systems/items.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Full,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MismatchedItemGroup`
[INFO] [stderr]   --> src/systems/items.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     MismatchedItemGroup(Vec<Stack>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_composed_of`
[INFO] [stderr]    --> src/systems/items.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn is_composed_of(&self, item: &Item) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `group_stacks`
[INFO] [stderr]    --> src/systems/items.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn group_stacks(stacks: Vec<Self>) -> HashMap<Item, Vec<Self>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `collapse_stacks`
[INFO] [stderr]    --> src/systems/items.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn collapse_stacks(mut stacks: Vec<Self>) -> Result<Vec<Self>, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OverflowItems`
[INFO] [stderr]   --> src/crafting.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     OverflowItems(Vec<items::Stack>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/entity/player.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 | /         recipe
[INFO] [stderr] 288 | |             .attempt_craft(&mut self.inventory)
[INFO] [stderr] 289 | |             .tap_err(|e| log::error!("Failed to craft recipe {:?} due to {:?}.", recipe, e))
[INFO] [stderr] 290 | |             .tap_ok(|e| log::info!("Successfully crafted {:?}!", recipe));
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/entity/forge.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 | /                     instance.map_mut(|ui, base| ui.to_forge(base))
[INFO] [stderr] 105 | |                         .tap_err(|e| log::error!("Could not transition to forge due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui.rs:132:33
[INFO] [stderr]     |
[INFO] [stderr] 132 | / ...                   instance.map_mut(|ui, base| {
[INFO] [stderr] 133 | | ...                       ui.render_recipes(base);
[INFO] [stderr] 134 | | ...                   })
[INFO] [stderr] 135 | | ...                   .tap_err(|e| log::error!("Could not invoke `render_recipes` due to {:?}.", e));
[INFO] [stderr]     | |_____________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui.rs:153:33
[INFO] [stderr]     |
[INFO] [stderr] 153 | / ...                   instance.map_mut(|ui, base| {
[INFO] [stderr] 154 | | ...                       ui.render_inventory(base);
[INFO] [stderr] 155 | | ...                   })
[INFO] [stderr] 156 | | ...                   .tap_err(|e| log::error!("Could not invoke `render_inventory` due to {:?}.", e));
[INFO] [stderr]     | |_______________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 | /                     instance.map_mut(|player, base| {
[INFO] [stderr] 109 | |                         if let Some(mut item_grid) = owner.get_node(self.item_grid_path.new_ref()) {
[INFO] [stderr] 110 | |                             while let Some(child) = item_grid.get_child(0) {
[INFO] [stderr] 111 | |                                 item_grid.remove_child(Some(child));
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |                     })
[INFO] [stderr] 127 | |                     .tap_err(|e| log::error!("Could not render inventory due to {:?}.", e));
[INFO] [stderr]     | |____________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:119:37
[INFO] [stderr]     |
[INFO] [stderr] 119 | / ...                   button.connect("button_up".into(), Some(base.to_object()), "use_item".into(), arr, 0)
[INFO] [stderr] 120 | | ...                       .tap_err(|e| log::error!("Could not connect item usage signal due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | / ...                   button.connect("button_up".into(), Some(owner.to_object()), "render_inventory".into(), VariantArray::new(), 0)
[INFO] [stderr] 122 | | ...                       .tap_err(|e| log::error!("Could not connect item usage signal due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `base_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref base_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^ help: convert the identifier to upper case: `BASE_PIXEL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `moderate_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     static ref moderate_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MODERATE_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `advanced_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     static ref advanced_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ADVANCED_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `master_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |     static ref master_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `MASTER_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `generic_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |     static ref generic_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: convert the identifier to upper case: `GENERIC_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `cheap_health_potion` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |     static ref cheap_health_potion: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHEAP_HEALTH_POTION`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `health_elixir` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |     static ref health_elixir: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: convert the identifier to upper case: `HEALTH_ELIXIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `recipes` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |     static ref recipes: Vec<Recipes> = vec![
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `RECIPES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:250:21
[INFO] [stderr]     |
[INFO] [stderr] 250 | /                     player.map_mut(move |player, base| {
[INFO] [stderr] 251 | |                         if let Some(mut recipe_columns) = self.recipe_columns(&owner) {
[INFO] [stderr] 252 | |                             while let Some(child) = recipe_columns.0.get_child(0) {
[INFO] [stderr] 253 | |                                 recipe_columns.0.remove_child(Some(child));
[INFO] [stderr] ...   |
[INFO] [stderr] 273 | |                         }
[INFO] [stderr] 274 | |                     }).tap_err(|e| log::error!("Could not find player due to {:?}!", e));
[INFO] [stderr]     | |_________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:267:37
[INFO] [stderr]     |
[INFO] [stderr] 267 | ...                   mark.connect("button_up".into(), Some(base.to_object()), "craft_recipe".into(), arr, 0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:268:37
[INFO] [stderr]     |
[INFO] [stderr] 268 | ...                   mark.connect("button_up".into(), Some(owner.to_object()), "render_recipes".into(), VariantArray::new(), 0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `"docker" "inspect" "b037d53c09b1d29330573006d3a31076d16ffaa121eec09d0233336d92afd42b"`
[INFO] running `"docker" "rm" "-f" "b037d53c09b1d29330573006d3a31076d16ffaa121eec09d0233336d92afd42b"`
[INFO] [stdout] b037d53c09b1d29330573006d3a31076d16ffaa121eec09d0233336d92afd42b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de5db6d57238ad3d37b89b2454e2df10f2f8671c7126c4b593cfda14f3b60593
[INFO] running `"docker" "start" "-a" "de5db6d57238ad3d37b89b2454e2df10f2f8671c7126c4b593cfda14f3b60593"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `GodotString`, `Property`
[INFO] [stderr]  --> src/entity/enemy.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     init::{ClassBuilder, Property, Signal, SignalArgument, PropertyHint, PropertyUsage,},
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DEFAULT_USAGE`
[INFO] [stderr]   --> src/entity/enemy.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         DEFAULT_USAGE,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Variant`
[INFO] [stderr]   --> src/entity/forge.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Variant,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GodotString`
[INFO] [stderr]  --> src/entity/projectile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self as godot`
[INFO] [stderr]  --> src/event_bus.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     self as godot,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/event_bus.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[inherit(Node)]
[INFO] [stderr]   |          ^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/records.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[inherit(Node)]
[INFO] [stderr]    |          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/ui/start.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[inherit(Control)]
[INFO] [stderr]   |          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Container`, `Control`, `GodotString`
[INFO] [stderr]  --> src/ui/inventory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Control,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 5 |     Container,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 6 |     GodotString,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/entity/player.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 |             .tap_ok(|e| log::info!("Successfully crafted {:?}!", recipe));
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]   --> src/entity/forge.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn instance_init(&mut self, owner: StaticBody2D, ui_node: Node) {
[INFO] [stderr]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]   --> src/ui.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn init(owner: Self::Base) -> Self {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `owner`
[INFO] [stderr]  --> src/ui/start.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn _init(owner: Control) -> Self {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/entity/arena.rs:207:35
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn setup_next_wave(&mut self, mut owner: Node) {
[INFO] [stderr]     |                                   ----^^^^^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `accel_time`
[INFO] [stderr]   --> src/entity/player.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     accel_time: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `remaining_accel`
[INFO] [stderr]   --> src/entity/player.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     remaining_accel: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_drops`
[INFO] [stderr]    --> src/entity/enemy.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 |     pub fn get_drops(&self, wave: u64) -> Vec<items::Stack> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `BEGIN_WAVE`
[INFO] [stderr]   --> src/ui.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     const BEGIN_WAVE: &'static str = "trigger_wave";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Full`
[INFO] [stderr]   --> src/systems/items.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Full,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MismatchedItemGroup`
[INFO] [stderr]   --> src/systems/items.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     MismatchedItemGroup(Vec<Stack>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_composed_of`
[INFO] [stderr]    --> src/systems/items.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn is_composed_of(&self, item: &Item) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `group_stacks`
[INFO] [stderr]    --> src/systems/items.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn group_stacks(stacks: Vec<Self>) -> HashMap<Item, Vec<Self>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `collapse_stacks`
[INFO] [stderr]    --> src/systems/items.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn collapse_stacks(mut stacks: Vec<Self>) -> Result<Vec<Self>, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OverflowItems`
[INFO] [stderr]   --> src/crafting.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     OverflowItems(Vec<items::Stack>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/entity/player.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 | /         recipe
[INFO] [stderr] 288 | |             .attempt_craft(&mut self.inventory)
[INFO] [stderr] 289 | |             .tap_err(|e| log::error!("Failed to craft recipe {:?} due to {:?}.", recipe, e))
[INFO] [stderr] 290 | |             .tap_ok(|e| log::info!("Successfully crafted {:?}!", recipe));
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/entity/forge.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 | /                     instance.map_mut(|ui, base| ui.to_forge(base))
[INFO] [stderr] 105 | |                         .tap_err(|e| log::error!("Could not transition to forge due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui.rs:132:33
[INFO] [stderr]     |
[INFO] [stderr] 132 | / ...                   instance.map_mut(|ui, base| {
[INFO] [stderr] 133 | | ...                       ui.render_recipes(base);
[INFO] [stderr] 134 | | ...                   })
[INFO] [stderr] 135 | | ...                   .tap_err(|e| log::error!("Could not invoke `render_recipes` due to {:?}.", e));
[INFO] [stderr]     | |_____________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui.rs:153:33
[INFO] [stderr]     |
[INFO] [stderr] 153 | / ...                   instance.map_mut(|ui, base| {
[INFO] [stderr] 154 | | ...                       ui.render_inventory(base);
[INFO] [stderr] 155 | | ...                   })
[INFO] [stderr] 156 | | ...                   .tap_err(|e| log::error!("Could not invoke `render_inventory` due to {:?}.", e));
[INFO] [stderr]     | |_______________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 | /                     instance.map_mut(|player, base| {
[INFO] [stderr] 109 | |                         if let Some(mut item_grid) = owner.get_node(self.item_grid_path.new_ref()) {
[INFO] [stderr] 110 | |                             while let Some(child) = item_grid.get_child(0) {
[INFO] [stderr] 111 | |                                 item_grid.remove_child(Some(child));
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |                     })
[INFO] [stderr] 127 | |                     .tap_err(|e| log::error!("Could not render inventory due to {:?}.", e));
[INFO] [stderr]     | |____________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:119:37
[INFO] [stderr]     |
[INFO] [stderr] 119 | / ...                   button.connect("button_up".into(), Some(base.to_object()), "use_item".into(), arr, 0)
[INFO] [stderr] 120 | | ...                       .tap_err(|e| log::error!("Could not connect item usage signal due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/inventory.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | / ...                   button.connect("button_up".into(), Some(owner.to_object()), "render_inventory".into(), VariantArray::new(), 0)
[INFO] [stderr] 122 | | ...                       .tap_err(|e| log::error!("Could not connect item usage signal due to {:?}.", e));
[INFO] [stderr]     | |___________________________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `base_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref base_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^ help: convert the identifier to upper case: `BASE_PIXEL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `moderate_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     static ref moderate_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MODERATE_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `advanced_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     static ref advanced_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `ADVANCED_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `master_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |     static ref master_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `MASTER_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `generic_pixel` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |     static ref generic_pixel: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: convert the identifier to upper case: `GENERIC_PIXEL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `cheap_health_potion` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 54 |     static ref cheap_health_potion: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHEAP_HEALTH_POTION`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `health_elixir` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |     static ref health_elixir: Item = Item {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: convert the identifier to upper case: `HEALTH_ELIXIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `recipes` should have an upper case name
[INFO] [stderr]   --> src/ui/crafting.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |     static ref recipes: Vec<Recipes> = vec![
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `RECIPES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:250:21
[INFO] [stderr]     |
[INFO] [stderr] 250 | /                     player.map_mut(move |player, base| {
[INFO] [stderr] 251 | |                         if let Some(mut recipe_columns) = self.recipe_columns(&owner) {
[INFO] [stderr] 252 | |                             while let Some(child) = recipe_columns.0.get_child(0) {
[INFO] [stderr] 253 | |                                 recipe_columns.0.remove_child(Some(child));
[INFO] [stderr] ...   |
[INFO] [stderr] 273 | |                         }
[INFO] [stderr] 274 | |                     }).tap_err(|e| log::error!("Could not find player due to {:?}!", e));
[INFO] [stderr]     | |_________________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:267:37
[INFO] [stderr]     |
[INFO] [stderr] 267 | ...                   mark.connect("button_up".into(), Some(base.to_object()), "craft_recipe".into(), arr, 0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ui/crafting.rs:268:37
[INFO] [stderr]     |
[INFO] [stderr] 268 | ...                   mark.connect("button_up".into(), Some(owner.to_object()), "render_recipes".into(), VariantArray::new(), 0);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crossarena-57634f6bcf2dab0c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "de5db6d57238ad3d37b89b2454e2df10f2f8671c7126c4b593cfda14f3b60593"`
[INFO] running `"docker" "rm" "-f" "de5db6d57238ad3d37b89b2454e2df10f2f8671c7126c4b593cfda14f3b60593"`
[INFO] [stdout] de5db6d57238ad3d37b89b2454e2df10f2f8671c7126c4b593cfda14f3b60593