[INFO] updating cached repository https://github.com/johnkoehn/econ-sim
[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] 6867684f2d04c483c108cc34c837d9ad2bc140bd
[INFO] checking johnkoehn/econ-sim against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnkoehn%2Fecon-sim" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnkoehn/econ-sim on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnkoehn/econ-sim
[INFO] finished tweaking git repo https://github.com/johnkoehn/econ-sim
[INFO] tweaked toml for git repo https://github.com/johnkoehn/econ-sim written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/johnkoehn/econ-sim already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90fd79db398504aa4189be01d2756691ede413e57bed097203a854e1672b3d16
[INFO] running `"docker" "start" "-a" "90fd79db398504aa4189be01d2756691ede413e57bed097203a854e1672b3d16"`
[INFO] [stderr]     Checking econ-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `village_mind::*`
[INFO] [stderr]    --> src/simulation/mod.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     use village_mind::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `village::resource::*`
[INFO] [stderr]    --> src/simulation/mod.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |     use village::resource::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `village_mind::trade_request::*`
[INFO] [stderr]    --> src/simulation/mod.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |     use village_mind::trade_request::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `village::worker::*`
[INFO] [stderr]    --> src/village/mod.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     use village::worker::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/village/mod.rs:210:23
[INFO] [stderr]     |
[INFO] [stderr] 210 |         assert_eq!(0, *value.unwrap() as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/village/mod.rs:224:23
[INFO] [stderr]     |
[INFO] [stderr] 224 |         assert_eq!(2, *v.stockpile.get(&ResourceType::Wood).unwrap() as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulation/mod.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             for mut vm in self.village_managers.iter_mut() {
[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] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/village/mod.rs:281:23
[INFO] [stderr]     |
[INFO] [stderr] 281 |         assert_eq!(2, *v.stockpile.get(&ResourceType::Wood).unwrap() as u32);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `econ-sim`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: struct is never constructed: `VillageManager`
[INFO] [stderr]  --> src/simulation/village_manager.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct VillageManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Upward`
[INFO] [stderr]   --> src/simulation/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Upward,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Downward`
[INFO] [stderr]   --> src/simulation/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Downward,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equilibrium`
[INFO] [stderr]   --> src/simulation/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Equilibrium,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Simulation`
[INFO] [stderr]   --> src/simulation/mod.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Simulation {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/simulation/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new() -> Simulation {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_village`
[INFO] [stderr]   --> src/simulation/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn add_village(&mut self, village: Village) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `village_managers`
[INFO] [stderr]   --> src/simulation/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn village_managers(&self) -> &Vec<VillageManager> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `simulate`
[INFO] [stderr]   --> src/simulation/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn simulate(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_trades`
[INFO] [stderr]   --> src/simulation/mod.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn handle_trades(&mut self, trade_requests: &mut Vec<TradeRequest>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Gold`
[INFO] [stderr]  --> src/village/resource.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Gold,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Food`
[INFO] [stderr]  --> src/village/resource.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Food,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wood`
[INFO] [stderr]  --> src/village/resource.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Wood,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stone`
[INFO] [stderr]  --> src/village/resource.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Stone,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iterator`
[INFO] [stderr]   --> src/village/resource.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn iterator() -> Iter<'static, ResourceType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `RESOURCE_TYPES`
[INFO] [stderr]   --> src/village/resource.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         static RESOURCE_TYPES: [ResourceType; 4] = [Gold, Food, Wood, Stone];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ResourceId`
[INFO] [stderr]   --> src/village/resource.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub type ResourceId = u32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CollectResource`
[INFO] [stderr]   --> src/village/resource.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type CollectResource = fn(worker_power : u32) -> f64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Resource`
[INFO] [stderr]   --> src/village/resource.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Resource {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/village/resource.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(resource_type : ResourceType, resource_id : ResourceId, collect_resource : CollectResource) -> Resource {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `WorkerId`
[INFO] [stderr]  --> src/village/worker.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type WorkerId = u32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Worker`
[INFO] [stderr]  --> src/village/worker.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Worker {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/village/worker.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(worker_id: WorkerId, power: u32) -> Worker {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `VillageRef`
[INFO] [stderr]   --> src/village/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type VillageRef = Rc<RefCell<Village>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CheckForWorkerDeath`
[INFO] [stderr]   --> src/village/mod.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type CheckForWorkerDeath = fn(&Worker) -> bool;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Village`
[INFO] [stderr]   --> src/village/mod.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Village {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/village/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(check_for_worker_death: CheckForWorkerDeath) -> Village {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_worker`
[INFO] [stderr]   --> src/village/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn create_worker(&mut self, power: u32) -> WorkerId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_resource`
[INFO] [stderr]   --> src/village/mod.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn create_resource(&mut self, resource_type: ResourceType, collect_resource: CollectResource) -> ResourceId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assign_worker`
[INFO] [stderr]   --> src/village/mod.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn assign_worker(&mut self, worker_id: WorkerId, resource_id: ResourceId) -> Result<(), &'static str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resource`
[INFO] [stderr]   --> src/village/mod.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn resource(&self, resource_id: ResourceId) -> Option<&Resource> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resources_of_type`
[INFO] [stderr]   --> src/village/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn resources_of_type(&self, resource_type: ResourceType) -> Vec<&Resource> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resources`
[INFO] [stderr]   --> src/village/mod.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn resources(&self) -> &Vec<Resource> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `idle_worker_count`
[INFO] [stderr]    --> src/village/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn idle_worker_count(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `worker`
[INFO] [stderr]    --> src/village/mod.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn worker(&self, worker_id: WorkerId) -> Option<&Worker> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `workers_on_resource`
[INFO] [stderr]    --> src/village/mod.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn workers_on_resource(&self, resource_id: u32) -> Vec<&Worker> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `power_on_resource`
[INFO] [stderr]    --> src/village/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn power_on_resource(&self, resource_id: u32) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `simulate`
[INFO] [stderr]    --> src/village/mod.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn simulate(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Buy`
[INFO] [stderr]  --> src/village_mind/trade_request.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Buy,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sell`
[INFO] [stderr]  --> src/village_mind/trade_request.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Sell,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TradeRequest`
[INFO] [stderr]  --> src/village_mind/trade_request.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct TradeRequest {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/village_mind/trade_request.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(trade_type: TradeType, amount: u32, resource_type: ResourceType) -> TradeRequest{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VillageMind`
[INFO] [stderr]  --> src/village_mind/mod.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct VillageMind {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/village_mind/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(village: VillageRef) -> VillageMind {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `trade`
[INFO] [stderr]   --> src/village_mind/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn trade(&mut self) -> Vec<TradeRequest> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `manage_village`
[INFO] [stderr]   --> src/village_mind/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn manage_village(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/village/resource.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |         RESOURCE_TYPES.into_iter()
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: variable `villageRC` should have a snake case name
[INFO] [stderr]   --> src/simulation/mod.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let villageRC = Rc::new(RefCell::new(village));
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `village_rc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 49 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "90fd79db398504aa4189be01d2756691ede413e57bed097203a854e1672b3d16"`
[INFO] running `"docker" "rm" "-f" "90fd79db398504aa4189be01d2756691ede413e57bed097203a854e1672b3d16"`
[INFO] [stdout] 90fd79db398504aa4189be01d2756691ede413e57bed097203a854e1672b3d16