[INFO] fetching crate amethyst_ecs 0.1.1...
[INFO] checking amethyst_ecs-0.1.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate amethyst_ecs 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate amethyst_ecs 0.1.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6295e9c480d7a97123c331e45513588de24b0b3b3f89133ed3b68740153ea1b
[INFO] running `Command { std: "docker" "start" "-a" "f6295e9c480d7a97123c331e45513588de24b0b3b3f89133ed3b68740153ea1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6295e9c480d7a97123c331e45513588de24b0b3b3f89133ed3b68740153ea1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6295e9c480d7a97123c331e45513588de24b0b3b3f89133ed3b68740153ea1b", kill_on_drop: false }`
[INFO] [stdout] f6295e9c480d7a97123c331e45513588de24b0b3b3f89133ed3b68740153ea1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40b42dcc3aec5b7527fc39733d5da70a767da0fec1e92accfec258b39a66122
[INFO] running `Command { std: "docker" "start" "-a" "d40b42dcc3aec5b7527fc39733d5da70a767da0fec1e92accfec258b39a66122", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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: 5 warnings emitted
[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] error[E0635]: unknown feature `step_by`
[INFO] [stdout]  --> benches/components.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(step_by)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> benches/gen_ents.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Position {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 10 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[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]   --> benches/gen_ents.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Light {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 16 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle` and `y` are never read
[INFO] [stdout]   --> benches/gen_ents.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Mesh {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 22 |     handle: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     y: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_ecs` (bench "components") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d40b42dcc3aec5b7527fc39733d5da70a767da0fec1e92accfec258b39a66122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40b42dcc3aec5b7527fc39733d5da70a767da0fec1e92accfec258b39a66122", kill_on_drop: false }`
[INFO] [stdout] d40b42dcc3aec5b7527fc39733d5da70a767da0fec1e92accfec258b39a66122
[INFO] checking amethyst_ecs-0.1.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate amethyst_ecs 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate amethyst_ecs 0.1.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f24e6e2858dcba257aaae85ae6f4ef89b3342d50f6bb14c1b447b544c7a7b16f
[INFO] running `Command { std: "docker" "start" "-a" "f24e6e2858dcba257aaae85ae6f4ef89b3342d50f6bb14c1b447b544c7a7b16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24e6e2858dcba257aaae85ae6f4ef89b3342d50f6bb14c1b447b544c7a7b16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24e6e2858dcba257aaae85ae6f4ef89b3342d50f6bb14c1b447b544c7a7b16f", kill_on_drop: false }`
[INFO] [stdout] f24e6e2858dcba257aaae85ae6f4ef89b3342d50f6bb14c1b447b544c7a7b16f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97c89d823e09c2777283e95d8102c21743f14cd07ca68e118bf714e86d70b3c5
[INFO] running `Command { std: "docker" "start" "-a" "97c89d823e09c2777283e95d8102c21743f14cd07ca68e118bf714e86d70b3c5", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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: 5 warnings emitted
[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] error[E0635]: unknown feature `step_by`
[INFO] [stdout]  --> benches/components.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(step_by)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> benches/gen_ents.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Position {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 10 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[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]   --> benches/gen_ents.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Light {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 16 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle` and `y` are never read
[INFO] [stdout]   --> benches/gen_ents.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Mesh {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 22 |     handle: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     y: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_ecs` (bench "components") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "97c89d823e09c2777283e95d8102c21743f14cd07ca68e118bf714e86d70b3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c89d823e09c2777283e95d8102c21743f14cd07ca68e118bf714e86d70b3c5", kill_on_drop: false }`
[INFO] [stdout] 97c89d823e09c2777283e95d8102c21743f14cd07ca68e118bf714e86d70b3c5
