[INFO] updating cached repository https://github.com/mdsteele/tuna
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8bce089997143841b0b07cf94b02d2c7cd03a9f
[INFO] testing mdsteele/tuna against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftuna" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsteele/tuna on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdsteele/tuna
[INFO] finished tweaking git repo https://github.com/mdsteele/tuna
[INFO] tweaked toml for git repo https://github.com/mdsteele/tuna written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsteele/tuna already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b94a07d61db09ed05a4f7e21a4ec27084d046bbd69eebdba4b222f658cc802ae
[INFO] running `Command { std: "docker" "start" "-a" "b94a07d61db09ed05a4f7e21a4ec27084d046bbd69eebdba4b222f658cc802ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94a07d61db09ed05a4f7e21a4ec27084d046bbd69eebdba4b222f658cc802ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94a07d61db09ed05a4f7e21a4ec27084d046bbd69eebdba4b222f658cc802ae", kill_on_drop: false }`
[INFO] [stdout] b94a07d61db09ed05a4f7e21a4ec27084d046bbd69eebdba4b222f658cc802ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75a3575a237f5b28336871bbdb2cb18b52fc00e78bb20d9f998ef23582d2ed73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75a3575a237f5b28336871bbdb2cb18b52fc00e78bb20d9f998ef23582d2ed73", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.35
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling tuna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ahi v0.1.0 (https://github.com/mdsteele/ahi?tag=v0.1.0#8dfd2b39)
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.35
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |     elements: Vec<Box<GuiElement<S>>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<S>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:129:34
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn new(elements: Vec<Box<GuiElement<S>>>) -> AggregateElement<S> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<S>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/palette.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let elements: Vec<Box<GuiElement<Color>>> =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Color>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/palette.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |               -> Box<GuiElement<Color>> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Color>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scrollbar.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let elements: Vec<Box<GuiElement<EditorState>>> =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scrollbar.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     -> Box<GuiElement<EditorState>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scrollbar.rs:66:42
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn picker(y: i32, delta: i32) -> Box<GuiElement<EditorState>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/toolbox.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let elements: Vec<Box<GuiElement<Tool>>> =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Tool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/toolbox.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |               -> Box<GuiElement<Tool>> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Tool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:148:27
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let elements: Vec<Box<GuiElement<EditorState>>> =
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.56s
[INFO] running `Command { std: "docker" "inspect" "75a3575a237f5b28336871bbdb2cb18b52fc00e78bb20d9f998ef23582d2ed73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a3575a237f5b28336871bbdb2cb18b52fc00e78bb20d9f998ef23582d2ed73", kill_on_drop: false }`
[INFO] [stdout] 75a3575a237f5b28336871bbdb2cb18b52fc00e78bb20d9f998ef23582d2ed73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45beb74da0585808439801414440731e6da01b9046e7f73fd68d2a7130d5f7bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45beb74da0585808439801414440731e6da01b9046e7f73fd68d2a7130d5f7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |     elements: Vec<Box<GuiElement<S>>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<S>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:129:34
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn new(elements: Vec<Box<GuiElement<S>>>) -> AggregateElement<S> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<S>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/palette.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let elements: Vec<Box<GuiElement<Color>>> =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Color>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/palette.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |               -> Box<GuiElement<Color>> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Color>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scrollbar.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let elements: Vec<Box<GuiElement<EditorState>>> =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scrollbar.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     -> Box<GuiElement<EditorState>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scrollbar.rs:66:42
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn picker(y: i32, delta: i32) -> Box<GuiElement<EditorState>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/toolbox.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let elements: Vec<Box<GuiElement<Tool>>> =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Tool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/toolbox.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |               -> Box<GuiElement<Tool>> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Tool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:148:27
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let elements: Vec<Box<GuiElement<EditorState>>> =
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "45beb74da0585808439801414440731e6da01b9046e7f73fd68d2a7130d5f7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45beb74da0585808439801414440731e6da01b9046e7f73fd68d2a7130d5f7bc", kill_on_drop: false }`
[INFO] [stdout] 45beb74da0585808439801414440731e6da01b9046e7f73fd68d2a7130d5f7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4c40bd95d598344d931a7e1ba59a2a6df22505f4f12926d7e1df3369cf61db8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4c40bd95d598344d931a7e1ba59a2a6df22505f4f12926d7e1df3369cf61db8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/element.rs:125:23
[INFO] [stderr]     |
[INFO] [stderr] 125 |     elements: Vec<Box<GuiElement<S>>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<S>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/element.rs:129:34
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn new(elements: Vec<Box<GuiElement<S>>>) -> AggregateElement<S> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/palette.rs:36:31
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let elements: Vec<Box<GuiElement<Color>>> =
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Color>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/palette.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |               -> Box<GuiElement<Color>> {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Color>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scrollbar.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let elements: Vec<Box<GuiElement<EditorState>>> =
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scrollbar.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     -> Box<GuiElement<EditorState>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scrollbar.rs:66:42
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn picker(y: i32, delta: i32) -> Box<GuiElement<EditorState>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/toolbox.rs:46:31
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let elements: Vec<Box<GuiElement<Tool>>> =
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Tool>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/toolbox.rs:90:22
[INFO] [stderr]    |
[INFO] [stderr] 90 |               -> Box<GuiElement<Tool>> {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<Tool>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:148:27
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let elements: Vec<Box<GuiElement<EditorState>>> =
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GuiElement<EditorState>`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuna-ffed4ca3e38d2862
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4c40bd95d598344d931a7e1ba59a2a6df22505f4f12926d7e1df3369cf61db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c40bd95d598344d931a7e1ba59a2a6df22505f4f12926d7e1df3369cf61db8", kill_on_drop: false }`
[INFO] [stdout] a4c40bd95d598344d931a7e1ba59a2a6df22505f4f12926d7e1df3369cf61db8