[INFO] cloning repository https://github.com/dzamkov/uial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/uial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fuial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fuial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c615cb586a8ccb5b96867c6100c0e232256a787
[INFO] checking dzamkov/uial/9c615cb586a8ccb5b96867c6100c0e232256a787 against try#9a6ce9bcee4fff9f2010ea88aaa7654cc4d95132 for pr-133274
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fuial" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dzamkov/uial on toolchain 9a6ce9bcee4fff9f2010ea88aaa7654cc4d95132
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a6ce9bcee4fff9f2010ea88aaa7654cc4d95132" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dzamkov/uial
[INFO] finished tweaking git repo https://github.com/dzamkov/uial
[INFO] tweaked toml for git repo https://github.com/dzamkov/uial written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dzamkov/uial 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" "+9a6ce9bcee4fff9f2010ea88aaa7654cc4d95132" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+9a6ce9bcee4fff9f2010ea88aaa7654cc4d95132" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b0ba811d42c46a3b65e9a50df89f8d2eab87257ace761cd8a88ee7d2e54be5
[INFO] running `Command { std: "docker" "start" "-a" "86b0ba811d42c46a3b65e9a50df89f8d2eab87257ace761cd8a88ee7d2e54be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b0ba811d42c46a3b65e9a50df89f8d2eab87257ace761cd8a88ee7d2e54be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b0ba811d42c46a3b65e9a50df89f8d2eab87257ace761cd8a88ee7d2e54be5", kill_on_drop: false }`
[INFO] [stdout] 86b0ba811d42c46a3b65e9a50df89f8d2eab87257ace761cd8a88ee7d2e54be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+9a6ce9bcee4fff9f2010ea88aaa7654cc4d95132" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2acf03c0ea5db0f67c276caf7ec4d5aae7c27f32b7ea56e90ccd05e132d317c2
[INFO] running `Command { std: "docker" "start" "-a" "2acf03c0ea5db0f67c276caf7ec4d5aae7c27f32b7ea56e90ccd05e132d317c2", kill_on_drop: false }`
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[INFO] [stderr]     Checking svg_fmt v0.4.3
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[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking guillotiere v0.6.2
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]     Checking uial-geometry v0.1.0 (/opt/rustwide/workdir/geometry)
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wgpu v22.1.0
[INFO] [stderr]     Checking ghost-cell v0.2.6
[INFO] [stderr]     Checking image v0.25.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
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[INFO] [stderr]     Checking anstyle v1.0.8
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[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking x11rb v0.13.1
[INFO] [stderr]     Checking uial v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]    --> core/src/sizing.rs:380:18
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let (sample, next) = find_effective(before_samples, value);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> core/src/sizing.rs:475:50
[INFO] [stdout]     |
[INFO] [stdout] 475 |                     BlockDescription::Lookback { offset } => todo!(),
[INFO] [stdout]     |                                                  ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lookback` is never constructed
[INFO] [stdout]   --> core/src/sizing.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum SampleType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Lookback {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SampleType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lookback` is never constructed
[INFO] [stdout]    --> core/src/sizing.rs:687:5
[INFO] [stdout]     |
[INFO] [stdout] 678 | enum BlockDescription {
[INFO] [stdout]     |      ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 687 |     Lookback { offset: Size2i },
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking uial-widgets v0.1.0 (/opt/rustwide/workdir/widgets)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> widgets/src/button.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn focus(&self, env: &mut Env, backward: bool) -> Option<FocusInteractionRequest<Env>> {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backward`
[INFO] [stdout]    --> widgets/src/button.rs:200:36
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn focus(&self, env: &mut Env, backward: bool) -> Option<FocusInteractionRequest<Env>> {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backward`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking uial-backend v0.1.0 (/opt/rustwide/workdir/backend)
[INFO] [stdout] warning: unused variable: `wgpu`
[INFO] [stdout]    --> backend/src/runner.rs:109:53
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let (surface, drawer_context) = if let Some(wgpu) = &self.wgpu {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_wgpu`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> backend/src/runner.rs:588:26
[INFO] [stdout]     |
[INFO] [stdout] 588 |     fn is_visible(&self, env: &RunEnv<S>) -> bool {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root_widget` is never read
[INFO] [stdout]   --> backend/src/runner.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct RunnerWindow<'a, S: HasReact + Track> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     root_widget: Rc<DynWidget<'a, RunEnv<S>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wgpu`
[INFO] [stdout]    --> backend/src/runner.rs:109:53
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let (surface, drawer_context) = if let Some(wgpu) = &self.wgpu {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_wgpu`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> backend/src/runner.rs:588:26
[INFO] [stdout]     |
[INFO] [stdout] 588 |     fn is_visible(&self, env: &RunEnv<S>) -> bool {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root_widget` is never read
[INFO] [stdout]   --> backend/src/runner.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct RunnerWindow<'a, S: HasReact + Track> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     root_widget: Rc<DynWidget<'a, RunEnv<S>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> widgets/examples/demo.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 on_click: Box::new(move |env: &mut _| {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> widgets/src/button.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn focus(&self, env: &mut Env, backward: bool) -> Option<FocusInteractionRequest<Env>> {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backward`
[INFO] [stdout]    --> widgets/src/button.rs:200:36
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn focus(&self, env: &mut Env, backward: bool) -> Option<FocusInteractionRequest<Env>> {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backward`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next`
[INFO] [stdout]    --> core/src/sizing.rs:380:18
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let (sample, next) = find_effective(before_samples, value);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_next`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> core/src/sizing.rs:475:50
[INFO] [stdout]     |
[INFO] [stdout] 475 |                     BlockDescription::Lookback { offset } => todo!(),
[INFO] [stdout]     |                                                  ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lookback` is never constructed
[INFO] [stdout]   --> core/src/sizing.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum SampleType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Lookback {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SampleType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lookback` is never constructed
[INFO] [stdout]    --> core/src/sizing.rs:687:5
[INFO] [stdout]     |
[INFO] [stdout] 678 | enum BlockDescription {
[INFO] [stdout]     |      ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 687 |     Lookback { offset: Size2i },
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "2acf03c0ea5db0f67c276caf7ec4d5aae7c27f32b7ea56e90ccd05e132d317c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2acf03c0ea5db0f67c276caf7ec4d5aae7c27f32b7ea56e90ccd05e132d317c2", kill_on_drop: false }`
[INFO] [stdout] 2acf03c0ea5db0f67c276caf7ec4d5aae7c27f32b7ea56e90ccd05e132d317c2