[INFO] fetching crate amethyst_ecs 0.1.1...
[INFO] checking amethyst_ecs-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate amethyst_ecs 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate amethyst_ecs 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 28400d8ce6446a7179daf4ed590f6ffdb2d80dc2ed8bc878556e097ac093dfca
[INFO] running `"docker" "start" "-a" "28400d8ce6446a7179daf4ed590f6ffdb2d80dc2ed8bc878556e097ac093dfca"`
[INFO] [stderr]     Checking amethyst_ecs v0.1.1 (/opt/rustwide/workdir)
[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]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Processor`
[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/sim.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     procs: Vec<Box<Processor>>,
[INFO] [stderr]   |                    ^^^^^^^^^ help: use `dyn`: `dyn Processor`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` 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/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: 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 is never used: `num_alive`
[INFO] [stderr]   --> src/entity.rs:40:5
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id3`
[INFO] [stderr]   --> src/dynvec.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let id3 = vec.add(Test(0, 0.0));
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_id3`
[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: 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: 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 is never used: `num_alive`
[INFO] [stderr]   --> src/entity.rs:40:5
[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: field is never read: `x`
[INFO] [stderr]   --> examples/current_usage.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     x: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> examples/current_usage.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     y: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `z`
[INFO] [stderr]   --> examples/current_usage.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     z: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `handle`
[INFO] [stderr]   --> examples/current_usage.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     handle: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> examples/current_usage.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     y: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> benches/gen_ents.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     x: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> benches/gen_ents.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     y: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `z`
[INFO] [stderr]   --> benches/gen_ents.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     z: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> benches/gen_ents.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     x: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> benches/gen_ents.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     y: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `z`
[INFO] [stderr]   --> benches/gen_ents.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     z: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `handle`
[INFO] [stderr]   --> benches/gen_ents.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     handle: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> benches/gen_ents.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     y: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> benches/components.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     x: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> benches/components.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     y: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `z`
[INFO] [stderr]   --> benches/components.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     z: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> benches/components.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     x: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> benches/components.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     y: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `z`
[INFO] [stderr]   --> benches/components.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     z: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `handle`
[INFO] [stderr]   --> benches/components.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     handle: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> benches/components.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     y: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `step_by`
[INFO] [stderr]  --> benches/components.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(step_by)]
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `amethyst_ecs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "28400d8ce6446a7179daf4ed590f6ffdb2d80dc2ed8bc878556e097ac093dfca"`
[INFO] running `"docker" "rm" "-f" "28400d8ce6446a7179daf4ed590f6ffdb2d80dc2ed8bc878556e097ac093dfca"`
[INFO] [stdout] 28400d8ce6446a7179daf4ed590f6ffdb2d80dc2ed8bc878556e097ac093dfca