[INFO] updating cached repository https://github.com/Jon-Davis/ECS
[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] fe97ae2e5e0f9e5f1b492f2eb7bbdb786000c1c0
[INFO] checking Jon-Davis/ECS against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon-Davis%2FECS" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jon-Davis/ECS 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/Jon-Davis/ECS
[INFO] finished tweaking git repo https://github.com/Jon-Davis/ECS
[INFO] tweaked toml for git repo https://github.com/Jon-Davis/ECS written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Jon-Davis/ECS already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c12473a86781999638ff68f05662efc4d5df273d82962bfc499ec9f09365f07f
[INFO] running `"docker" "start" "-a" "c12473a86781999638ff68f05662efc4d5df273d82962bfc499ec9f09365f07f"`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking ecs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syncmap.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |     owner: &'a Loaner<K, V>,
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn Loaner<K, V>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syncmap.rs:309:32
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/syncmap.rs:323:9
[INFO] [stderr]     |
[INFO] [stderr] 323 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]    --> src/syncmap.rs:324:15
[INFO] [stderr]     |
[INFO] [stderr] 324 |     use std::{thread,time};
[INFO] [stderr]     |               ^^^^^^ ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]    --> src/syncmap.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |     use std::sync::Arc;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:32:40
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn with(mut self, system : Box<System>) -> State {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatcher.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     systems : Vec<Box<System>>,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatcher.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn with(&mut self, system : Box<System>) -> &Self{
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:254:49
[INFO] [stderr]     |
[INFO] [stderr] 254 |     component_collections : SyncMap<TypeId, Box<ComponentCollection>>,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:273:74
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn request(&self, request : &ResourceRequest) -> Loan<TypeId,Box<ComponentCollection>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:286:38
[INFO] [stderr]     |
[INFO] [stderr] 286 |     loan : Option<Loan<'a,TypeId,Box<ComponentCollection>>>,
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:317:54
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn loan(&self) -> Option<&Loan<'a,TypeId,Box<ComponentCollection>>>{
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:331:46
[INFO] [stderr]     |
[INFO] [stderr] 331 | ...                   transmute::<&Box<ComponentCollection>, &Box<ComponentVector<C>>>(value)
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:349:57
[INFO] [stderr]     |
[INFO] [stderr] 349 | ...                   transmute::<RefMut<&mut Box<ComponentCollection>>, RefMut<&mut Box<ComponentVector<C>>>>(value)
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syncmap.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |     owner: &'a Loaner<K, V>,
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn Loaner<K, V>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/syncmap.rs:309:32
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:32:40
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn with(mut self, system : Box<System>) -> State {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatcher.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     systems : Vec<Box<System>>,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatcher.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn with(&mut self, system : Box<System>) -> &Self{
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:254:49
[INFO] [stderr]     |
[INFO] [stderr] 254 |     component_collections : SyncMap<TypeId, Box<ComponentCollection>>,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:273:74
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn request(&self, request : &ResourceRequest) -> Loan<TypeId,Box<ComponentCollection>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:286:38
[INFO] [stderr]     |
[INFO] [stderr] 286 |     loan : Option<Loan<'a,TypeId,Box<ComponentCollection>>>,
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:317:54
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn loan(&self) -> Option<&Loan<'a,TypeId,Box<ComponentCollection>>>{
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:331:46
[INFO] [stderr]     |
[INFO] [stderr] 331 | ...                   transmute::<&Box<ComponentCollection>, &Box<ComponentVector<C>>>(value)
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resources.rs:349:57
[INFO] [stderr]     |
[INFO] [stderr] 349 | ...                   transmute::<RefMut<&mut Box<ComponentCollection>>, RefMut<&mut Box<ComponentVector<C>>>>(value)
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComponentCollection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/main.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn update(&mut self, token : ResourceToken) -> Trans {
[INFO] [stderr]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Read`
[INFO] [stderr]   --> src/syncmap.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Read,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/syncmap.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn read(&mut self, r : K) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/syncmap.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn read(&self, key : &K) -> Option<& V>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Push`
[INFO] [stderr]   --> src/state.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Push(State),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Swap`
[INFO] [stderr]   --> src/state.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Swap(State),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_entity`
[INFO] [stderr]   --> src/resources.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_entity(&self) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `type_id`
[INFO] [stderr]   --> src/resources.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     type_id: TypeId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/resources.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn iter(&self) -> ComponentVectorIter<D> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]    --> src/resources.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn remove(&mut self, entity_id : u64){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/resources.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn new(vector : &ComponentVector<D>) -> ComponentVectorIter<D> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/resources.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn new(vector : &'a ComponentVector<D>) -> CompVecIter<D> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `loan`
[INFO] [stderr]    --> src/resources.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn loan(&self) -> Option<&Loan<'a,TypeId,Box<ComponentCollection>>>{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unpack`
[INFO] [stderr]    --> src/resources.rs:324:5
[INFO] [stderr]     |
[INFO] [stderr] 324 |     pub fn unpack<C : Component>(&self) -> Option<&Box<ComponentVector<C>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]    --> src/resources.rs:376:5
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn read<T : Component>(&mut self) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/entity.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn id(&self) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/main.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn update(&mut self, token : ResourceToken) -> Trans {
[INFO] [stderr]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Push`
[INFO] [stderr]   --> src/state.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Push(State),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Swap`
[INFO] [stderr]   --> src/state.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Swap(State),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `type_id`
[INFO] [stderr]   --> src/resources.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     type_id: TypeId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/resources.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn new(vector : &'a ComponentVector<D>) -> CompVecIter<D> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `loan`
[INFO] [stderr]    --> src/resources.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     pub fn loan(&self) -> Option<&Loan<'a,TypeId,Box<ComponentCollection>>>{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unpack`
[INFO] [stderr]    --> src/resources.rs:324:5
[INFO] [stderr]     |
[INFO] [stderr] 324 |     pub fn unpack<C : Component>(&self) -> Option<&Box<ComponentVector<C>>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]    --> src/resources.rs:376:5
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn read<T : Component>(&mut self) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CompB`
[INFO] [stderr]    --> src/resources.rs:399:12
[INFO] [stderr]     |
[INFO] [stderr] 399 |     struct CompB {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/resources.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         fn new(id : u64) -> CompB {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/entity.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn id(&self) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `"docker" "inspect" "c12473a86781999638ff68f05662efc4d5df273d82962bfc499ec9f09365f07f"`
[INFO] running `"docker" "rm" "-f" "c12473a86781999638ff68f05662efc4d5df273d82962bfc499ec9f09365f07f"`
[INFO] [stdout] c12473a86781999638ff68f05662efc4d5df273d82962bfc499ec9f09365f07f