[INFO] fetching crate ABC-ECS 0.2.0...
[INFO] checking ABC-ECS-0.2.0 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate ABC-ECS 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ABC-ECS 0.2.0 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ABC-ECS 0.2.0
[INFO] finished tweaking crates.io crate ABC-ECS 0.2.0
[INFO] tweaked toml for crates.io crate ABC-ECS 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded either v1.13.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.18
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded anymap v1.0.0-beta.2
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded slotmap v1.0.7
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded getrandom v0.2.15
[INFO] [stderr]   Downloaded nohash-hasher v0.2.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded rayon v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f2bf8b0edb05db3ae31876f250875acb69ddc13d8ebcccefdb982478591b7d9
[INFO] running `Command { std: "docker" "start" "-a" "3f2bf8b0edb05db3ae31876f250875acb69ddc13d8ebcccefdb982478591b7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f2bf8b0edb05db3ae31876f250875acb69ddc13d8ebcccefdb982478591b7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2bf8b0edb05db3ae31876f250875acb69ddc13d8ebcccefdb982478591b7d9", kill_on_drop: false }`
[INFO] [stdout] 3f2bf8b0edb05db3ae31876f250875acb69ddc13d8ebcccefdb982478591b7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55bb492a9888103c2c4c5b78e176ce4d55017caa1b43503181628342c93cd5e
[INFO] running `Command { std: "docker" "start" "-a" "b55bb492a9888103c2c4c5b78e176ce4d55017caa1b43503181628342c93cd5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking anymap v1.0.0-beta.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ABC-ECS v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:652:21
[INFO] [stdout]     |
[INFO] [stdout] 652 |                 let mut entities_and_components_ptr = EntitiesAndComponentPtr {
[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: `engine`
[INFO] [stdout]    --> src/lib.rs:704:27
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn prestep(&mut self, engine: &EntitiesAndComponentsThreadSafe) {}
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_entity`
[INFO] [stdout]    --> src/lib.rs:710:34
[INFO] [stdout]     |
[INFO] [stdout] 710 |     fn single_entity_step(&self, single_entity: &mut SingleMutEntity) {}
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/lib.rs:716:23
[INFO] [stdout]     |
[INFO] [stdout] 716 |     fn run(&mut self, engine: &mut EntitiesAndComponents) {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/lib.rs:934:14
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let (position, velocity) =
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `velocity`
[INFO] [stdout]    --> src/lib.rs:934:24
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let (position, velocity) =
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_velocity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:652:21
[INFO] [stdout]     |
[INFO] [stdout] 652 |                 let mut entities_and_components_ptr = EntitiesAndComponentPtr {
[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: `engine`
[INFO] [stdout]    --> src/lib.rs:704:27
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn prestep(&mut self, engine: &EntitiesAndComponentsThreadSafe) {}
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_entity`
[INFO] [stdout]    --> src/lib.rs:710:34
[INFO] [stdout]     |
[INFO] [stdout] 710 |     fn single_entity_step(&self, single_entity: &mut SingleMutEntity) {}
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/lib.rs:716:23
[INFO] [stdout]     |
[INFO] [stdout] 716 |     fn run(&mut self, engine: &mut EntitiesAndComponents) {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ABC_ECS` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `abc_ecs`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NonSendSyncSystem` is never constructed
[INFO] [stdout]     --> src/lib.rs:1097:16
[INFO] [stdout]      |
[INFO] [stdout] 1097 |         struct NonSendSyncSystem {}
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: anymap v1.0.0-beta.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b55bb492a9888103c2c4c5b78e176ce4d55017caa1b43503181628342c93cd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55bb492a9888103c2c4c5b78e176ce4d55017caa1b43503181628342c93cd5e", kill_on_drop: false }`
[INFO] [stdout] b55bb492a9888103c2c4c5b78e176ce4d55017caa1b43503181628342c93cd5e
[INFO] checking ABC-ECS-0.2.0 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate ABC-ECS 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ABC-ECS 0.2.0 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ABC-ECS 0.2.0
[INFO] finished tweaking crates.io crate ABC-ECS 0.2.0
[INFO] tweaked toml for crates.io crate ABC-ECS 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbb3615c019abd5217e25ef6780621b6ca0172442cc5d719e23770a3cb700de
[INFO] running `Command { std: "docker" "start" "-a" "6bbb3615c019abd5217e25ef6780621b6ca0172442cc5d719e23770a3cb700de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbb3615c019abd5217e25ef6780621b6ca0172442cc5d719e23770a3cb700de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbb3615c019abd5217e25ef6780621b6ca0172442cc5d719e23770a3cb700de", kill_on_drop: false }`
[INFO] [stdout] 6bbb3615c019abd5217e25ef6780621b6ca0172442cc5d719e23770a3cb700de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06344718e00f01c3a2750a0c6ee9ba6980462730df447d0430bce94aa85b9fe1
[INFO] running `Command { std: "docker" "start" "-a" "06344718e00f01c3a2750a0c6ee9ba6980462730df447d0430bce94aa85b9fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking anymap v1.0.0-beta.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ABC-ECS v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:652:21
[INFO] [stdout]     |
[INFO] [stdout] 652 |                 let mut entities_and_components_ptr = EntitiesAndComponentPtr {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:652:21
[INFO] [stdout]     |
[INFO] [stdout] 652 |                 let mut entities_and_components_ptr = EntitiesAndComponentPtr {
[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: `engine`
[INFO] [stdout]    --> src/lib.rs:704:27
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn prestep(&mut self, engine: &EntitiesAndComponentsThreadSafe) {}
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/lib.rs:704:27
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn prestep(&mut self, engine: &EntitiesAndComponentsThreadSafe) {}
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_entity`
[INFO] [stdout]    --> src/lib.rs:710:34
[INFO] [stdout]     |
[INFO] [stdout] 710 |     fn single_entity_step(&self, single_entity: &mut SingleMutEntity) {}
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/lib.rs:716:23
[INFO] [stdout]     |
[INFO] [stdout] 716 |     fn run(&mut self, engine: &mut EntitiesAndComponents) {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_entity`
[INFO] [stdout]    --> src/lib.rs:710:34
[INFO] [stdout]     |
[INFO] [stdout] 710 |     fn single_entity_step(&self, single_entity: &mut SingleMutEntity) {}
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_entity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]    --> src/lib.rs:716:23
[INFO] [stdout]     |
[INFO] [stdout] 716 |     fn run(&mut self, engine: &mut EntitiesAndComponents) {}
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/lib.rs:934:14
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let (position, velocity) =
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `velocity`
[INFO] [stdout]    --> src/lib.rs:934:24
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let (position, velocity) =
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_velocity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ABC_ECS` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `abc_ecs`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NonSendSyncSystem` is never constructed
[INFO] [stdout]     --> src/lib.rs:1097:16
[INFO] [stdout]      |
[INFO] [stdout] 1097 |         struct NonSendSyncSystem {}
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: anymap v1.0.0-beta.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "06344718e00f01c3a2750a0c6ee9ba6980462730df447d0430bce94aa85b9fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06344718e00f01c3a2750a0c6ee9ba6980462730df447d0430bce94aa85b9fe1", kill_on_drop: false }`
[INFO] [stdout] 06344718e00f01c3a2750a0c6ee9ba6980462730df447d0430bce94aa85b9fe1
