[INFO] fetching crate fungui 0.1.1...
[INFO] testing fungui-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate fungui 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fungui 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fungui 0.1.1
[INFO] finished tweaking crates.io crate fungui 0.1.1
[INFO] tweaked toml for crates.io crate fungui 0.1.1 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding ascii v0.9.3 (latest: v1.1.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding combine v3.8.1 (latest: v4.6.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref_filter_map v1.0.1
[INFO] [stderr]   Downloaded fungui_syntax v0.1.1
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27515bdaad8e0a6a38f14a947975c2ad967110e8e2027f98336a5249dbfd7a58
[INFO] running `Command { std: "docker" "start" "-a" "27515bdaad8e0a6a38f14a947975c2ad967110e8e2027f98336a5249dbfd7a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27515bdaad8e0a6a38f14a947975c2ad967110e8e2027f98336a5249dbfd7a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27515bdaad8e0a6a38f14a947975c2ad967110e8e2027f98336a5249dbfd7a58", kill_on_drop: false }`
[INFO] [stdout] 27515bdaad8e0a6a38f14a947975c2ad967110e8e2027f98336a5249dbfd7a58
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b75667c818a581108f108df6e6dac2492d682b9082cd446b68ecc90370ce097f
[INFO] running `Command { std: "docker" "start" "-a" "b75667c818a581108f108df6e6dac2492d682b9082cd446b68ecc90370ce097f", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling ref_filter_map v1.0.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling fungui_syntax v0.1.1
[INFO] [stderr]    Compiling fungui v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/style.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<dyn for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/style.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (dyn Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/style.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<dyn Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/style.rs:13:66
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<dyn BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:232:107
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:234:92
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:239:90
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:240:94
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> R...
[INFO] [stdout]     |                                                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:255:107
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:266:92
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:288:93
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Re...
[INFO] [stdout]     |                                                                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:413:29
[INFO] [stdout]     |
[INFO] [stdout] 413 |         F: for<'a> Fn(&mut (Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 413 |         F: for<'a> Fn(&mut (dyn Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "b75667c818a581108f108df6e6dac2492d682b9082cd446b68ecc90370ce097f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75667c818a581108f108df6e6dac2492d682b9082cd446b68ecc90370ce097f", kill_on_drop: false }`
[INFO] [stdout] b75667c818a581108f108df6e6dac2492d682b9082cd446b68ecc90370ce097f
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0510f34f9946046cdc562ed18816b8f36de12b92218910b07d414f34bc425bea
[INFO] running `Command { std: "docker" "start" "-a" "0510f34f9946046cdc562ed18816b8f36de12b92218910b07d414f34bc425bea", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/style.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<dyn for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/style.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (dyn Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/style.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<dyn Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/style.rs:13:66
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<dyn BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:232:107
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:234:92
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:239:90
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:240:94
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> R...
[INFO] [stdout]     |                                                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:255:107
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:266:92
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:288:93
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Re...
[INFO] [stdout]     |                                                                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:413:29
[INFO] [stdout]     |
[INFO] [stdout] 413 |         F: for<'a> Fn(&mut (Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 413 |         F: for<'a> Fn(&mut (dyn Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fungui v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/style.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<dyn for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/style.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (dyn Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/style.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<dyn Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/style.rs:13:66
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<dyn BoxLayoutEngine<E>>>>,
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:232:107
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:234:92
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:239:90
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:240:94
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> R...
[INFO] [stdout]     |                                                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:255:107
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:266:92
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/layout.rs:288:93
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Re...
[INFO] [stdout]     |                                                                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stdout]     |                                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:413:29
[INFO] [stdout]     |
[INFO] [stdout] 413 |         F: for<'a> Fn(&mut (Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 413 |         F: for<'a> Fn(&mut (dyn Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let mut stdout = std::io::stdout();
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "0510f34f9946046cdc562ed18816b8f36de12b92218910b07d414f34bc425bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0510f34f9946046cdc562ed18816b8f36de12b92218910b07d414f34bc425bea", kill_on_drop: false }`
[INFO] [stdout] 0510f34f9946046cdc562ed18816b8f36de12b92218910b07d414f34bc425bea
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 276df064be9913761432c1ad0b36789508f231ae9308b27489876e71f06f152b
[INFO] running `Command { std: "docker" "start" "-a" "276df064be9913761432c1ad0b36789508f231ae9308b27489876e71f06f152b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/style.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) type SFunc<E> = Box<dyn for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stderr]   |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/style.rs:5:49
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) type SFunc<E> = Box<for<'a> Fn(&mut (dyn Iterator<Item=Result<Value<E>, Error<'a>>> + 'a)) -> Result<Value<E>, Error<'a>> + 'static>;
[INFO] [stderr]   |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/style.rs:13:54
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<dyn Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/style.rs:13:66
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<BoxLayoutEngine<E>>>>,
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) layouts: FnvHashMap<&'static str, Box<Fn() -> Box<dyn BoxLayoutEngine<E>>>>,
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:232:107
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stderr]     |                                                                                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stderr]     |                                                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:234:92
[INFO] [stderr]     |
[INFO] [stderr] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags;
[INFO] [stderr]     |                                                                                            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 234 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags;
[INFO] [stderr]     |                                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:239:90
[INFO] [stderr]     |
[INFO] [stderr] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stderr]     |                                                                                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 239 |     fn do_layout(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stderr]     |                                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:240:94
[INFO] [stderr]     |
[INFO] [stderr] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> R...
[INFO] [stderr]     |                                                                                              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 240 |     fn do_layout_end(&mut self, value: &NodeValue<E>, _ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect;
[INFO] [stderr]     |                                                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:255:107
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stderr]     |                                                                                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn update_child_data(&mut self, styles: &Styles<E>, nc: &NodeChain<E>, rule: &Rule<E>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stderr]     |                                                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:266:92
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<Any>) -> DirtyFlags {
[INFO] [stderr]     |                                                                                            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn reset_unset_child_data(&mut self, used_keys: &FnvHashSet<StaticKey>, data: &mut Box<dyn Any>) -> DirtyFlags {
[INFO] [stderr]     |                                                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:284:89
[INFO] [stderr]     |
[INFO] [stderr] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stderr]     |                                                                                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 284 |     fn do_layout(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stderr]     |                                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/layout.rs:288:93
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<Any>, current: Rect, flags: DirtyFlags) -> Re...
[INFO] [stderr]     |                                                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn do_layout_end(&mut self, value: &NodeValue<E>, ext: &mut E::NodeData, data: &mut Box<dyn Any>, current: Rect, flags: DirtyFlags) -> Rect {
[INFO] [stderr]     |                                                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:413:29
[INFO] [stderr]     |
[INFO] [stderr] 413 |         F: for<'a> Fn(&mut (Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 413 |         F: for<'a> Fn(&mut (dyn Iterator<Item=FResult<'a, Value<E>>> + 'a)) -> FResult<'a, Value<E>> + 'static,
[INFO] [stderr]     |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let mut stdout = std::io::stdout();
[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: `fungui` (lib) generated 13 warnings (run `cargo fix --lib -p fungui` to apply 13 suggestions)
[INFO] [stderr] warning: `fungui` (lib test) generated 14 warnings (13 duplicates) (run `cargo fix --lib -p fungui --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fungui-62e770f149576e2f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test macros::test_query_macro ... ok
[INFO] [stdout] test query::test ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fungui
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/layout.rs - layout::LayoutEngine (line 10) ... ignored
[INFO] [stdout] test src/layout.rs - layout::LayoutEngine::style_properties (line 40) ... ignored
[INFO] [stdout] test src/layout.rs - layout::LayoutEngine::update_child_data (line 88) ... ignored
[INFO] [stdout] test src/layout.rs - layout::LayoutEngine::update_data (line 64) ... ignored
[INFO] [stdout] test src/lib.rs - (line 142) ... ignored
[INFO] [stdout] test src/lib.rs - Extension::style_properties (line 289) ... ignored
[INFO] [stdout] test src/lib.rs - Extension::update_data (line 310) ... ignored
[INFO] [stdout] test src/lib.rs - eval (line 575) ... ignored
[INFO] [stdout] test src/macros.rs - macros::node (line 29) ... FAILED
[INFO] [stdout] test src/macros.rs - macros::node (line 14) ... FAILED
[INFO] [stdout] test src/macros.rs - macros::query (line 158) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/macros.rs - macros::node (line 29) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tests` in `fungui`
[INFO] [stdout]    --> src/macros.rs:32:30
[INFO] [stdout]     |
[INFO] [stdout] 4   | let _ : fungui::Node<fungui::tests::TestExt> =
[INFO] [stdout]     |                              ^^^^^ could not find `tests` in `fungui`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub mod tests;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/macros.rs - macros::node (line 14) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tests` in `fungui`
[INFO] [stdout]    --> src/macros.rs:17:30
[INFO] [stdout]     |
[INFO] [stdout] 4   | let _ : fungui::Node<fungui::tests::TestExt> =
[INFO] [stdout]     |                              ^^^^^ could not find `tests` in `fungui`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub mod tests;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/macros.rs - macros::query (line 158) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tests` in `fungui`
[INFO] [stdout]    --> src/macros.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 5   | let node : Node<fungui::tests::TestExt> =
[INFO] [stdout]     |                         ^^^^^ could not find `tests` in `fungui`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub mod tests;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/macros.rs - macros::node (line 14)
[INFO] [stdout]     src/macros.rs - macros::node (line 29)
[INFO] [stdout]     src/macros.rs - macros::query (line 158)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 3 failed; 8 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "276df064be9913761432c1ad0b36789508f231ae9308b27489876e71f06f152b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276df064be9913761432c1ad0b36789508f231ae9308b27489876e71f06f152b", kill_on_drop: false }`
[INFO] [stdout] 276df064be9913761432c1ad0b36789508f231ae9308b27489876e71f06f152b
