[INFO] cloning repository https://github.com/aleksrutins/silence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleksrutins/silence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksrutins%2Fsilence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksrutins%2Fsilence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 251950f1d8449bf42cfccf27e97c94c07546ef6c
[INFO] checking aleksrutins/silence against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksrutins%2Fsilence" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aleksrutins/silence
[INFO] finished tweaking git repo https://github.com/aleksrutins/silence
[INFO] tweaked toml for git repo https://github.com/aleksrutins/silence written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aleksrutins/silence on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aleksrutins/silence already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded tracing-core v0.1.27
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8119a47c882d825ad9485945d60365e22b8c7e1d30c63c83a05b1bc06d6a391f
[INFO] running `Command { std: "docker" "start" "-a" "8119a47c882d825ad9485945d60365e22b8c7e1d30c63c83a05b1bc06d6a391f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8119a47c882d825ad9485945d60365e22b8c7e1d30c63c83a05b1bc06d6a391f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8119a47c882d825ad9485945d60365e22b8c7e1d30c63c83a05b1bc06d6a391f", kill_on_drop: false }`
[INFO] [stdout] 8119a47c882d825ad9485945d60365e22b8c7e1d30c63c83a05b1bc06d6a391f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb2c1f92558004373288edf050a7f4263759b64ad12a6061963a5a3243fbdeb
[INFO] running `Command { std: "docker" "start" "-a" "acb2c1f92558004373288edf050a7f4263759b64ad12a6061963a5a3243fbdeb", kill_on_drop: false }`
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[INFO] [stderr]     Checking druid v0.7.0 (https://github.com/linebender/druid.git#afbe73b9)
[INFO] [stderr]     Checking silence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Label`, `LensWrap`, and `Padding`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     widget::{Align, Flex, Label, LensWrap, Padding},
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lens`
[INFO] [stdout]  --> src/transport.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use druid::{Data, Lens, Widget, Size, TimerToken, Event};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RenderContext`, `Size`, and `kurbo::RoundedRect`
[INFO] [stdout]  --> src/transport_display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     kurbo::RoundedRect,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     widget::{Button, Flex, Label},
[INFO] [stdout] 4 |     Color, Env, RenderContext, Size, Widget, WidgetExt,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Label`, `LensWrap`, and `Padding`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     widget::{Align, Flex, Label, LensWrap, Padding},
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lens`
[INFO] [stdout]  --> src/transport.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use druid::{Data, Lens, Widget, Size, TimerToken, Event};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RenderContext`, `Size`, and `kurbo::RoundedRect`
[INFO] [stdout]  --> src/transport_display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     kurbo::RoundedRect,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     widget::{Button, Flex, Label},
[INFO] [stdout] 4 |     Color, Env, RenderContext, Size, Widget, WidgetExt,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn event(&mut self, ctx: &mut druid::EventCtx, event: &druid::Event, data: &mut Transport, env: &druid::Env) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:71:74
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn event(&mut self, ctx: &mut druid::EventCtx, event: &druid::Event, data: &mut Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:71:96
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn event(&mut self, ctx: &mut druid::EventCtx, event: &druid::Event, data: &mut Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/transport.rs:80:60
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:80:86
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:80:104
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_data`
[INFO] [stdout]   --> src/transport.rs:84:54
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:84:76
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:84:94
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn layout(&mut self, ctx: &mut druid::LayoutCtx, bc: &druid::BoxConstraints, data: &Transport, env: &druid::Env) -> druid::Size {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:88:82
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn layout(&mut self, ctx: &mut druid::LayoutCtx, bc: &druid::BoxConstraints, data: &Transport, env: &druid::Env) -> druid::Size {
[INFO] [stdout]    |                                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:88:100
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn layout(&mut self, ctx: &mut druid::LayoutCtx, bc: &druid::BoxConstraints, data: &Transport, env: &druid::Env) -> druid::Size {
[INFO] [stdout]    |                                                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn paint(&mut self, ctx: &mut druid::PaintCtx, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:92:52
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn paint(&mut self, ctx: &mut druid::PaintCtx, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:92:70
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn paint(&mut self, ctx: &mut druid::PaintCtx, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `jump_back`, `jump_fwd`, and `update` are never used
[INFO] [stdout]   --> src/transport.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Transport {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn jump_back(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn jump_fwd(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn update(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransportManager` is never constructed
[INFO] [stdout]   --> src/transport.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct TransportManager {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn event(&mut self, ctx: &mut druid::EventCtx, event: &druid::Event, data: &mut Transport, env: &druid::Env) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:71:74
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn event(&mut self, ctx: &mut druid::EventCtx, event: &druid::Event, data: &mut Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:71:96
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn event(&mut self, ctx: &mut druid::EventCtx, event: &druid::Event, data: &mut Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/transport.rs:80:60
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:80:86
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:80:104
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lifecycle(&mut self, ctx: &mut druid::LifeCycleCtx, event: &druid::LifeCycle, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:84:26
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_data`
[INFO] [stdout]   --> src/transport.rs:84:54
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:84:76
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:84:94
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(&mut self, ctx: &mut druid::UpdateCtx, old_data: &Transport, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn layout(&mut self, ctx: &mut druid::LayoutCtx, bc: &druid::BoxConstraints, data: &Transport, env: &druid::Env) -> druid::Size {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:88:82
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn layout(&mut self, ctx: &mut druid::LayoutCtx, bc: &druid::BoxConstraints, data: &Transport, env: &druid::Env) -> druid::Size {
[INFO] [stdout]    |                                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:88:100
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn layout(&mut self, ctx: &mut druid::LayoutCtx, bc: &druid::BoxConstraints, data: &Transport, env: &druid::Env) -> druid::Size {
[INFO] [stdout]    |                                                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/transport.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn paint(&mut self, ctx: &mut druid::PaintCtx, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/transport.rs:92:52
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn paint(&mut self, ctx: &mut druid::PaintCtx, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/transport.rs:92:70
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn paint(&mut self, ctx: &mut druid::PaintCtx, data: &Transport, env: &druid::Env) {
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `jump_back`, `jump_fwd`, and `update` are never used
[INFO] [stdout]   --> src/transport.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Transport {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn jump_back(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn jump_fwd(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn update(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransportManager` is never constructed
[INFO] [stdout]   --> src/transport.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct TransportManager {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "acb2c1f92558004373288edf050a7f4263759b64ad12a6061963a5a3243fbdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb2c1f92558004373288edf050a7f4263759b64ad12a6061963a5a3243fbdeb", kill_on_drop: false }`
[INFO] [stdout] acb2c1f92558004373288edf050a7f4263759b64ad12a6061963a5a3243fbdeb
