[INFO] fetching crate thomas 0.2.4...
[INFO] building thomas-0.2.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate thomas 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate thomas 0.2.4
[INFO] finished tweaking crates.io crate thomas 0.2.4
[INFO] tweaked toml for crates.io crate thomas 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thomas 0.2.4 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding crossterm v0.26.1 (available: v0.29.0)
[INFO] [stderr]       Adding device_query v1.1.3 (available: v4.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc5284a9e1827d9d7f3dc6caf28482725f5044b98adfaa43ad020bc0d31565cc
[INFO] running `Command { std: "docker" "start" "-a" "cc5284a9e1827d9d7f3dc6caf28482725f5044b98adfaa43ad020bc0d31565cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5284a9e1827d9d7f3dc6caf28482725f5044b98adfaa43ad020bc0d31565cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5284a9e1827d9d7f3dc6caf28482725f5044b98adfaa43ad020bc0d31565cc", kill_on_drop: false }`
[INFO] [stdout] cc5284a9e1827d9d7f3dc6caf28482725f5044b98adfaa43ad020bc0d31565cc
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4390b84473d517fb76defd9756db9c633ec07a78212bed6a40067a37c88519c3
[INFO] running `Command { std: "docker" "start" "-a" "4390b84473d517fb76defd9756db9c633ec07a78212bed6a40067a37c88519c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling device_query v1.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling thomas_derive v0.2.0
[INFO] [stderr]    Compiling thomas v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/data/matrix.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut cell = &mut self.matrix[y as usize][x as usize];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_get<T>(&self) -> Option<Ref<T>>
[INFO] [stdout]    |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_get<T>(&self) -> Option<Ref<'_, T>>
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get_mut<T>(&self) -> Option<RefMut<T>>
[INFO] [stdout]    |                           ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get_mut<T>(&self) -> Option<RefMut<'_, T>>
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get<T>(&self) -> Ref<T>
[INFO] [stdout]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get<T>(&self) -> Ref<'_, T>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut<T>(&self) -> RefMut<T>
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut<T>(&self) -> RefMut<'_, T>
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:138:45
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_only<T: Component + 'static>(&self) -> Ref<T> {
[INFO] [stdout]     |                                             ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_only<T: Component + 'static>(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:147:49
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_only_mut<T: Component + 'static>(&self) -> RefMut<T> {
[INFO] [stdout]     |                                                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_only_mut<T: Component + 'static>(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:152:49
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn try_get_only<T: Component + 'static>(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                                                 ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn try_get_only<T: Component + 'static>(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn try_get_only_mut<T: Component + 'static>(&self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                                                     ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn try_get_only_mut<T: Component + 'static>(&self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "4390b84473d517fb76defd9756db9c633ec07a78212bed6a40067a37c88519c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4390b84473d517fb76defd9756db9c633ec07a78212bed6a40067a37c88519c3", kill_on_drop: false }`
[INFO] [stdout] 4390b84473d517fb76defd9756db9c633ec07a78212bed6a40067a37c88519c3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a5af3b4c53f894a2d70ffd7aeba202123144bfc887ffa5d56b9ef2c6811baa0
[INFO] running `Command { std: "docker" "start" "-a" "9a5af3b4c53f894a2d70ffd7aeba202123144bfc887ffa5d56b9ef2c6811baa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling thomas v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/data/matrix.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut cell = &mut self.matrix[y as usize][x as usize];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_get<T>(&self) -> Option<Ref<T>>
[INFO] [stdout]    |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_get<T>(&self) -> Option<Ref<'_, T>>
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get_mut<T>(&self) -> Option<RefMut<T>>
[INFO] [stdout]    |                           ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get_mut<T>(&self) -> Option<RefMut<'_, T>>
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get<T>(&self) -> Ref<T>
[INFO] [stdout]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get<T>(&self) -> Ref<'_, T>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut<T>(&self) -> RefMut<T>
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut<T>(&self) -> RefMut<'_, T>
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:138:45
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_only<T: Component + 'static>(&self) -> Ref<T> {
[INFO] [stdout]     |                                             ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_only<T: Component + 'static>(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:147:49
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_only_mut<T: Component + 'static>(&self) -> RefMut<T> {
[INFO] [stdout]     |                                                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_only_mut<T: Component + 'static>(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:152:49
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn try_get_only<T: Component + 'static>(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                                                 ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn try_get_only<T: Component + 'static>(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn try_get_only_mut<T: Component + 'static>(&self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                                                     ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn try_get_only_mut<T: Component + 'static>(&self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/data/matrix.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut cell = &mut self.matrix[y as usize][x as usize];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_get<T>(&self) -> Option<Ref<T>>
[INFO] [stdout]    |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_get<T>(&self) -> Option<Ref<'_, T>>
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get_mut<T>(&self) -> Option<RefMut<T>>
[INFO] [stdout]    |                           ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get_mut<T>(&self) -> Option<RefMut<'_, T>>
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get<T>(&self) -> Ref<T>
[INFO] [stdout]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get<T>(&self) -> Ref<'_, T>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/entity_manager.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut<T>(&self) -> RefMut<T>
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn get_mut<T>(&self) -> RefMut<'_, T>
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:138:45
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_only<T: Component + 'static>(&self) -> Ref<T> {
[INFO] [stdout]     |                                             ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get_only<T: Component + 'static>(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:147:49
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_only_mut<T: Component + 'static>(&self) -> RefMut<T> {
[INFO] [stdout]     |                                                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_only_mut<T: Component + 'static>(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:152:49
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn try_get_only<T: Component + 'static>(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                                                 ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn try_get_only<T: Component + 'static>(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/query.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn try_get_only_mut<T: Component + 'static>(&self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                                                     ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn try_get_only_mut<T: Component + 'static>(&self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "9a5af3b4c53f894a2d70ffd7aeba202123144bfc887ffa5d56b9ef2c6811baa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5af3b4c53f894a2d70ffd7aeba202123144bfc887ffa5d56b9ef2c6811baa0", kill_on_drop: false }`
[INFO] [stdout] 9a5af3b4c53f894a2d70ffd7aeba202123144bfc887ffa5d56b9ef2c6811baa0
