[INFO] cloning repository https://github.com/overdrivenpotato/ui-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/overdrivenpotato/ui-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverdrivenpotato%2Fui-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverdrivenpotato%2Fui-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00bee4df583a1959f94b7c802a01d5c61e0e4fa9
[INFO] checking overdrivenpotato/ui-experiments against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverdrivenpotato%2Fui-experiments" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/overdrivenpotato/ui-experiments on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/overdrivenpotato/ui-experiments
[INFO] finished tweaking git repo https://github.com/overdrivenpotato/ui-experiments
[INFO] tweaked toml for git repo https://github.com/overdrivenpotato/ui-experiments written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/overdrivenpotato/ui-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee43454251aba57946df40d3b77539cd1ddd5c4ad09c5f6f12d904516cdd11f
[INFO] running `Command { std: "docker" "start" "-a" "fee43454251aba57946df40d3b77539cd1ddd5c4ad09c5f6f12d904516cdd11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee43454251aba57946df40d3b77539cd1ddd5c4ad09c5f6f12d904516cdd11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee43454251aba57946df40d3b77539cd1ddd5c4ad09c5f6f12d904516cdd11f", kill_on_drop: false }`
[INFO] [stdout] fee43454251aba57946df40d3b77539cd1ddd5c4ad09c5f6f12d904516cdd11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbf9ba05f5252ff8a97bddb16c4ac8a85c2c868db94771ea1add09cc7c8193a1
[INFO] running `Command { std: "docker" "start" "-a" "cbf9ba05f5252ff8a97bddb16c4ac8a85c2c868db94771ea1add09cc7c8193a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Length`
[INFO] [stdout]  --> src/ui/size.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Length, Unit};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::position::Position`
[INFO] [stdout]   --> src/ui/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use self::position::Position;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::size::Size`
[INFO] [stdout]   --> src/ui/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use self::size::Size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::content::Content`
[INFO] [stdout]   --> src/ui/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::content::Content;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::spacing::Spacing`
[INFO] [stdout]   --> src/ui/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::spacing::Spacing;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::border::Border`
[INFO] [stdout]   --> src/ui/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::border::Border;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::shadow::Shadow`
[INFO] [stdout]   --> src/ui/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use self::shadow::Shadow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::render::Render`
[INFO] [stdout]   --> src/ui/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use self::render::Render;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::reactive::Reactive`
[INFO] [stdout]   --> src/ui/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use self::reactive::Reactive;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::font::Font`
[INFO] [stdout]   --> src/ui/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use self::font::Font;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn group<M, G>(self, G) -> Self::Walked
[INFO] [stdout]    |                          ^ help: try naming the parameter or explicitly ignoring it: `_: G`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn block<E, M, C>(self, Build<E>, C) -> Self::Walked
[INFO] [stdout]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Build<E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn block<E, M, C>(self, Build<E>, C) -> Self::Walked
[INFO] [stdout]    |                                       ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn walk<T>(self, T) -> T::Walked where T: Walker, T::Message: From<M>;
[INFO] [stdout]    |                      ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/block/mod.rs:173:31
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn child<M, C>(&mut self, C) where C: Child<M>, Self::Message: From<M>, M: 'static;
[INFO] [stdout]     |                               ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/block/mod.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn consolidate<C>(self, C)
[INFO] [stdout]     |                             ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/reactor.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     update: Box<Update<Message = T>>,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn wrap(update: Box<Update<Message = T>>) -> Self {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn clone(&self) -> Box<Update<Message = U>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = U>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     update: Box<Update<Message = M>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn clone(&self) -> Box<Update<Message = Self::Message>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<M> Update for Box<Update<Message = M>> where M: Send + 'static {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn clone(&self) -> Box<Update<Message = Self::Message>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(Reactor<Self::Message>) -> Self;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Reactor<Self::Message>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn reduce(&mut self, Self::Message);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Message`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate serde_derive;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Length`
[INFO] [stdout]  --> src/ui/size.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Length, Unit};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::position::Position`
[INFO] [stdout]   --> src/ui/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use self::position::Position;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::size::Size`
[INFO] [stdout]   --> src/ui/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use self::size::Size;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::content::Content`
[INFO] [stdout]   --> src/ui/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::content::Content;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::spacing::Spacing`
[INFO] [stdout]   --> src/ui/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::spacing::Spacing;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::border::Border`
[INFO] [stdout]   --> src/ui/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::border::Border;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::shadow::Shadow`
[INFO] [stdout]   --> src/ui/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use self::shadow::Shadow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::render::Render`
[INFO] [stdout]   --> src/ui/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use self::render::Render;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::reactive::Reactive`
[INFO] [stdout]   --> src/ui/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use self::reactive::Reactive;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::font::Font`
[INFO] [stdout]   --> src/ui/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use self::font::Font;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn group<M, G>(self, G) -> Self::Walked
[INFO] [stdout]    |                          ^ help: try naming the parameter or explicitly ignoring it: `_: G`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn block<E, M, C>(self, Build<E>, C) -> Self::Walked
[INFO] [stdout]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Build<E>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn block<E, M, C>(self, Build<E>, C) -> Self::Walked
[INFO] [stdout]    |                                       ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/block/mod.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn walk<T>(self, T) -> T::Walked where T: Walker, T::Message: From<M>;
[INFO] [stdout]    |                      ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/block/mod.rs:173:31
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn child<M, C>(&mut self, C) where C: Child<M>, Self::Message: From<M>, M: 'static;
[INFO] [stdout]     |                               ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/block/mod.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn consolidate<C>(self, C)
[INFO] [stdout]     |                             ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/reactor.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     update: Box<Update<Message = T>>,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn wrap(update: Box<Update<Message = T>>) -> Self {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn clone(&self) -> Box<Update<Message = U>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = U>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     update: Box<Update<Message = M>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn clone(&self) -> Box<Update<Message = Self::Message>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<M> Update for Box<Update<Message = M>> where M: Send + 'static {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn clone(&self) -> Box<Update<Message = Self::Message>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn new(Reactor<Self::Message>) -> Self;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Reactor<Self::Message>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn reduce(&mut self, Self::Message);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Message`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `web` in `blocks`
[INFO] [stdout]   --> src/bin/counter.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     blocks::web::launch(app);
[INFO] [stdout]    |             ^^^ could not find `web` in `blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `web` in `blocks`
[INFO] [stdout]   --> src/bin/counter.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     blocks::web::launch(app);
[INFO] [stdout]    |             ^^^ could not find `web` in `blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blocks` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cbf9ba05f5252ff8a97bddb16c4ac8a85c2c868db94771ea1add09cc7c8193a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf9ba05f5252ff8a97bddb16c4ac8a85c2c868db94771ea1add09cc7c8193a1", kill_on_drop: false }`
[INFO] [stdout] cbf9ba05f5252ff8a97bddb16c4ac8a85c2c868db94771ea1add09cc7c8193a1