[INFO] fetching crate azul-core 0.0.2...
[INFO] checking azul-core-0.0.2 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate azul-core 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate azul-core 0.0.2 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate azul-core 0.0.2
[INFO] finished tweaking crates.io crate azul-core 0.0.2
[INFO] tweaked toml for crates.io crate azul-core 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding gleam v0.11.0 (available: v0.15.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded azul-css v0.0.1
[INFO] [stderr]   Downloaded azul-simplecss v0.1.1
[INFO] [stderr]   Downloaded azul-css-parser v0.0.1
[INFO] [stderr]   Downloaded gleam v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e228e450dd26017fc2902f265463dea2810353a3b4f073a643accb805af3b641
[INFO] running `Command { std: "docker" "start" "-a" "e228e450dd26017fc2902f265463dea2810353a3b4f073a643accb805af3b641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e228e450dd26017fc2902f265463dea2810353a3b4f073a643accb805af3b641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e228e450dd26017fc2902f265463dea2810353a3b4f073a643accb805af3b641", kill_on_drop: false }`
[INFO] [stdout] e228e450dd26017fc2902f265463dea2810353a3b4f073a643accb805af3b641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85739ef24bba2c7cadfc2b6b51c8fd059f799e916f9954e706ba6d9ecb5b27cd
[INFO] running `Command { std: "docker" "start" "-a" "85739ef24bba2c7cadfc2b6b51c8fd059f799e916f9954e706ba6d9ecb5b27cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]     Checking azul-css v0.0.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gleam v0.11.0
[INFO] [stderr]     Checking azul-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/ui_state.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |               "UiState {{ \
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 62 | |
[INFO] [stdout] 63 | |                 dom: {:?}, \
[INFO] [stdout]    | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/ui_state.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |               "UiState {{ \
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 62 | |
[INFO] [stdout] 63 | |                 dom: {:?}, \
[INFO] [stdout]    | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `logging`
[INFO] [stdout]    --> src/display_list.rs:523:15
[INFO] [stdout]     |
[INFO] [stdout] 523 |         #[cfg(feature = "logging")] {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `azul-css-parser`, `css_parser`, `default`, `gleam`, and `opengl`
[INFO] [stdout]     = help: consider adding `logging` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ui_state.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `logging`
[INFO] [stdout]    --> src/display_list.rs:523:15
[INFO] [stdout]     |
[INFO] [stdout] 523 |         #[cfg(feature = "logging")] {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `azul-css-parser`, `css_parser`, `default`, `gleam`, and `opengl`
[INFO] [stdout]     = help: consider adding `logging` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ui_state.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/callbacks.rs:202:1
[INFO] [stdout]     |
[INFO] [stdout] 202 | #[no_mangle] #[repr(C)] pub struct RefAnyPtr { pub ptr: *mut c_void }
[INFO] [stdout]     | ^^^^^^^^^^^^            --------------------------------------------- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/callbacks.rs:555:1
[INFO] [stdout]     |
[INFO] [stdout] 555 | #[no_mangle] #[repr(C)] pub struct LayoutInfoPtr { pub ptr: *mut c_void }
[INFO] [stdout]     | ^^^^^^^^^^^^            ------------------------------------------------- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/dom.rs:924:1
[INFO] [stdout]     |
[INFO] [stdout] 924 | #[no_mangle] #[repr(C)] pub struct DomPtr { pub ptr: *mut c_void }
[INFO] [stdout]     | ^^^^^^^^^^^^            ------------------------------------------ not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/callbacks.rs:202:1
[INFO] [stdout]     |
[INFO] [stdout] 202 | #[no_mangle] #[repr(C)] pub struct RefAnyPtr { pub ptr: *mut c_void }
[INFO] [stdout]     | ^^^^^^^^^^^^            --------------------------------------------- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/callbacks.rs:555:1
[INFO] [stdout]     |
[INFO] [stdout] 555 | #[no_mangle] #[repr(C)] pub struct LayoutInfoPtr { pub ptr: *mut c_void }
[INFO] [stdout]     | ^^^^^^^^^^^^            ------------------------------------------------- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/dom.rs:924:1
[INFO] [stdout]     |
[INFO] [stdout] 924 | #[no_mangle] #[repr(C)] pub struct DomPtr { pub ptr: *mut c_void }
[INFO] [stdout]     | ^^^^^^^^^^^^            ------------------------------------------ not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]    --> src/style.rs:408:24
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn render_tab() -> Dom<DataModel> {
[INFO] [stdout]     |                        ^^^----------- help: remove the unnecessary generics
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected 0 generic arguments
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]    --> src/dom.rs:915:12
[INFO] [stdout]     |
[INFO] [stdout] 915 | pub struct Dom {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]     --> src/dom.rs:1084:14
[INFO] [stdout]      |
[INFO] [stdout] 1084 |     let dom: Dom<Dummy> = Dom::body()
[INFO] [stdout]      |              ^^^------- help: remove the unnecessary generics
[INFO] [stdout]      |              |
[INFO] [stdout]      |              expected 0 generic arguments
[INFO] [stdout]      |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]     --> src/dom.rs:915:12
[INFO] [stdout]      |
[INFO] [stdout] 915  | pub struct Dom {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]     --> src/dom.rs:1091:23
[INFO] [stdout]      |
[INFO] [stdout] 1091 |     let expected_dom: CompactDom<Dummy> = CompactDom {
[INFO] [stdout]      |                       ^^^^^^^^^^------- help: remove the unnecessary generics
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       expected 0 generic arguments
[INFO] [stdout]      |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]     --> src/dom.rs:1148:12
[INFO] [stdout]      |
[INFO] [stdout] 1148 | pub struct CompactDom {
[INFO] [stdout]      |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]     --> src/dom.rs:1395:14
[INFO] [stdout]      |
[INFO] [stdout] 1395 |     let dom: Dom<TestLayout> =
[INFO] [stdout]      |              ^^^------------ help: remove the unnecessary generics
[INFO] [stdout]      |              |
[INFO] [stdout]      |              expected 0 generic arguments
[INFO] [stdout]      |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]     --> src/dom.rs:915:12
[INFO] [stdout]      |
[INFO] [stdout] 915  | pub struct Dom {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]     --> src/dom.rs:1453:14
[INFO] [stdout]      |
[INFO] [stdout] 1453 |     let dom: Dom<TestLayout> = (0..5).map(|e| NodeData::new(NodeType::Label(format!("{}", e + 1).into()))).collect();
[INFO] [stdout]      |              ^^^------------ help: remove the unnecessary generics
[INFO] [stdout]      |              |
[INFO] [stdout]      |              expected 0 generic arguments
[INFO] [stdout]      |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]     --> src/dom.rs:915:12
[INFO] [stdout]      |
[INFO] [stdout] 915  | pub struct Dom {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]     --> src/dom.rs:1499:19
[INFO] [stdout]      |
[INFO] [stdout] 1499 |     let null_dom: Dom<TestLayout> = (0..0).map(|_| NodeData::default()).collect();
[INFO] [stdout]      |                   ^^^------------ help: remove the unnecessary generics
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   expected 0 generic arguments
[INFO] [stdout]      |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]     --> src/dom.rs:915:12
[INFO] [stdout]      |
[INFO] [stdout] 915  | pub struct Dom {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 112 |         insert_only_non_empty_callbacks!(window_node_id, None, normal_window_callbacks);
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 117 |         insert_callbacks!(hover_node_id, Some(hit_test_item.clone()), hover_callbacks, current_hover_events, Hover);
[INFO] [stdout]     |         ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` which comes from the expansion of the macro `insert_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 122 |         insert_callbacks!(&current_focused_node.1, None, focus_callbacks, current_focus_events, Focus);
[INFO] [stdout]     |         ---------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` which comes from the expansion of the macro `insert_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 157 |         insert_callbacks!(node_id, None, focus_callbacks, current_focus_leave_events, Focus);
[INFO] [stdout]     |         ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` which comes from the expansion of the macro `insert_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 let mut callback_result = nodes_with_callbacks.entry($node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 218 |         mouse_enter!(node_id, hit_test_item, MouseEnter);
[INFO] [stdout]     |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `mouse_enter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 let mut callback_result = nodes_with_callbacks.entry($node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 236 |         mouse_enter!(node_id, hit_test_item, MouseLeave);
[INFO] [stdout]     |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `mouse_enter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 112 |         insert_only_non_empty_callbacks!(window_node_id, None, normal_window_callbacks);
[INFO] [stdout]     |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/task.rs:139:22
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct DropCheck(Arc<()>);
[INFO] [stdout]     |            --------- ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 117 |         insert_callbacks!(hover_node_id, Some(hit_test_item.clone()), hover_callbacks, current_hover_events, Hover);
[INFO] [stdout]     |         ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` which comes from the expansion of the macro `insert_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 122 |         insert_callbacks!(&current_focused_node.1, None, focus_callbacks, current_focus_events, Focus);
[INFO] [stdout]     |         ---------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` which comes from the expansion of the macro `insert_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:70:21
[INFO] [stdout]     |
[INFO] [stdout] 70  |                 let mut callback_result = nodes_with_callbacks.entry(*$node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 157 |         insert_callbacks!(node_id, None, focus_callbacks, current_focus_leave_events, Focus);
[INFO] [stdout]     |         ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `insert_only_non_empty_callbacks` which comes from the expansion of the macro `insert_callbacks` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 let mut callback_result = nodes_with_callbacks.entry($node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 218 |         mouse_enter!(node_id, hit_test_item, MouseEnter);
[INFO] [stdout]     |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `mouse_enter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/window_state.rs:188:21
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 let mut callback_result = nodes_with_callbacks.entry($node_id)
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 236 |         mouse_enter!(node_id, hit_test_item, MouseLeave);
[INFO] [stdout]     |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `mouse_enter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `azul-core` (lib test) due to 7 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85739ef24bba2c7cadfc2b6b51c8fd059f799e916f9954e706ba6d9ecb5b27cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85739ef24bba2c7cadfc2b6b51c8fd059f799e916f9954e706ba6d9ecb5b27cd", kill_on_drop: false }`
[INFO] [stdout] 85739ef24bba2c7cadfc2b6b51c8fd059f799e916f9954e706ba6d9ecb5b27cd
