[INFO] fetching crate amethyst_ecs 0.1.1...
[INFO] testing amethyst_ecs-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate amethyst_ecs 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate amethyst_ecs 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_ecs 0.1.1
[INFO] finished tweaking crates.io crate amethyst_ecs 0.1.1
[INFO] tweaked toml for crates.io crate amethyst_ecs 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1859df87dfe0642520d78f5461fdc952f2b25991caf5bb23b8231dd0ba1b9c4
[INFO] running `Command { std: "docker" "start" "-a" "a1859df87dfe0642520d78f5461fdc952f2b25991caf5bb23b8231dd0ba1b9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1859df87dfe0642520d78f5461fdc952f2b25991caf5bb23b8231dd0ba1b9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1859df87dfe0642520d78f5461fdc952f2b25991caf5bb23b8231dd0ba1b9c4", kill_on_drop: false }`
[INFO] [stdout] a1859df87dfe0642520d78f5461fdc952f2b25991caf5bb23b8231dd0ba1b9c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f40916bd37287bfe9199bc81601464001fe1f46640f700b4172e894b438c0db
[INFO] running `Command { std: "docker" "start" "-a" "3f40916bd37287bfe9199bc81601464001fe1f46640f700b4172e894b438c0db", kill_on_drop: false }`
[INFO] [stderr]    Compiling amethyst_ecs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sim.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     procs: Vec<Box<Processor>>,
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     procs: Vec<Box<dyn Processor>>,
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sim.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut next_state = world;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/world.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |             for (a, b) in data {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/world.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |         if let Some(mut c) = self.components.get_mut(&TypeId::of::<(Entity, T)>()) {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `num_alive` is never used
[INFO] [stdout]   --> src/entity.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Entities {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn num_alive(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "3f40916bd37287bfe9199bc81601464001fe1f46640f700b4172e894b438c0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f40916bd37287bfe9199bc81601464001fe1f46640f700b4172e894b438c0db", kill_on_drop: false }`
[INFO] [stdout] 3f40916bd37287bfe9199bc81601464001fe1f46640f700b4172e894b438c0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ef035da7312feb2a6faf41952ec5c1f45116de2e2bca479d307b042f7443b3d
[INFO] running `Command { std: "docker" "start" "-a" "3ef035da7312feb2a6faf41952ec5c1f45116de2e2bca479d307b042f7443b3d", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sim.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     procs: Vec<Box<Processor>>,
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     procs: Vec<Box<dyn Processor>>,
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling amethyst_ecs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sim.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut next_state = world;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/world.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |             for (a, b) in data {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/world.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |         if let Some(mut c) = self.components.get_mut(&TypeId::of::<(Entity, T)>()) {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `num_alive` is never used
[INFO] [stdout]   --> src/entity.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Entities {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn num_alive(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sim.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     procs: Vec<Box<Processor>>,
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     procs: Vec<Box<dyn Processor>>,
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> examples/current_usage.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Position {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 9  |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> examples/current_usage.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Light {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 15 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 16 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle` and `y` are never read
[INFO] [stdout]   --> examples/current_usage.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Mesh {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 21 |     handle: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     y: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id3`
[INFO] [stdout]   --> src/dynvec.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let id3 = vec.add(Test(0, 0.0));
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_id3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> src/dynvec.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let vec = DynVec::new::<()>();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sim.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut next_state = world;
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/world.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |             for (a, b) in data {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/world.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |         if let Some(mut c) = self.components.get_mut(&TypeId::of::<(Entity, T)>()) {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/dynvec.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |         struct Struct1(u8);
[INFO] [stdout]     |                ------- ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 |         struct Struct1(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/dynvec.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |         struct Struct2(u8);
[INFO] [stdout]     |                ------- ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 114 |         struct Struct2(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `num_alive` is never used
[INFO] [stdout]   --> src/entity.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Entities {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn num_alive(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "3ef035da7312feb2a6faf41952ec5c1f45116de2e2bca479d307b042f7443b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef035da7312feb2a6faf41952ec5c1f45116de2e2bca479d307b042f7443b3d", kill_on_drop: false }`
[INFO] [stdout] 3ef035da7312feb2a6faf41952ec5c1f45116de2e2bca479d307b042f7443b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa4b8872489c0146d9a6d4b2e97bbb978d5ad177bb14abce4dd0d6b34735ba4c
[INFO] running `Command { std: "docker" "start" "-a" "fa4b8872489c0146d9a6d4b2e97bbb978d5ad177bb14abce4dd0d6b34735ba4c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sim.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     procs: Vec<Box<Processor>>,
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 |     procs: Vec<Box<dyn Processor>>,
[INFO] [stderr]   |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sim.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut next_state = world;
[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: unused variable: `b`
[INFO] [stderr]   --> src/world.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for (a, b) in data {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/world.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |         if let Some(mut c) = self.components.get_mut(&TypeId::of::<(Entity, T)>()) {
[INFO] [stderr]    |                     ----^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method `num_alive` is never used
[INFO] [stderr]   --> src/entity.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Entities {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn num_alive(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `amethyst_ecs` (lib) generated 5 warnings (run `cargo fix --lib -p amethyst_ecs` to apply 3 suggestions)
[INFO] [stderr] warning: fields `x`, `y`, and `z` are never read
[INFO] [stderr]   --> examples/current_usage.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | struct Position {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 9  |     x: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 10 |     y: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 11 |     z: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x`, `y`, and `z` are never read
[INFO] [stderr]   --> examples/current_usage.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Light {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 15 |     x: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 16 |     y: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 17 |     z: f32,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `handle` and `y` are never read
[INFO] [stderr]   --> examples/current_usage.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Mesh {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 21 |     handle: u64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 22 |     y: usize,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id3`
[INFO] [stdout] 
[INFO] [stderr]   --> src/dynvec.rs:99:13
[INFO] [stdout] running 5 tests
[INFO] [stderr]    |
[INFO] [stdout] test entity::tests::recycling ... ok
[INFO] [stderr] 99 |         let id3 = vec.add(Test(0, 0.0));
[INFO] [stdout] test entity::tests::creation ... ok
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_id3`
[INFO] [stdout] test dynvec::tests::add_remove ... ok
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]    --> src/dynvec.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let vec = DynVec::new::<()>();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/world.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for (a, b) in data {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/dynvec.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 |         struct Struct1(u8);
[INFO] [stderr]     |                ------- ^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 113 |         struct Struct1(());
[INFO] [stderr]     |                        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/dynvec.rs:114:24
[INFO] [stderr]     |
[INFO] [stderr] 114 |         struct Struct2(u8);
[INFO] [stderr]     |                ------- ^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                field in this struct
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 114 |         struct Struct2(());
[INFO] [stderr]     |                        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: method `num_alive` is never used
[INFO] [stderr]   --> src/entity.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Entities {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn num_alive(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `amethyst_ecs` (example "current_usage") generated 3 warnings
[INFO] [stderr] warning: `amethyst_ecs` (lib test) generated 9 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/amethyst_ecs-4919f1eeb7727ddc)
[INFO] [stdout] test dynvec::tests::zero_sized_structs - should panic ... ok
[INFO] [stderr]    Doc-tests amethyst_ecs
[INFO] [stdout] test dynvec::tests::type_check - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa4b8872489c0146d9a6d4b2e97bbb978d5ad177bb14abce4dd0d6b34735ba4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4b8872489c0146d9a6d4b2e97bbb978d5ad177bb14abce4dd0d6b34735ba4c", kill_on_drop: false }`
[INFO] [stdout] fa4b8872489c0146d9a6d4b2e97bbb978d5ad177bb14abce4dd0d6b34735ba4c
