[INFO] cloning repository https://github.com/anlumo/flutter_embedder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anlumo/flutter_embedder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fflutter_embedder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fflutter_embedder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26a863f1c8955e61c796c8fdd087d71f0a6189e
[INFO] checking anlumo/flutter_embedder against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanlumo%2Fflutter_embedder" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anlumo/flutter_embedder on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/anlumo/flutter_embedder
[INFO] finished tweaking git repo https://github.com/anlumo/flutter_embedder
[INFO] tweaked toml for git repo https://github.com/anlumo/flutter_embedder written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/anlumo/flutter_embedder 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/anlumo/winit-new-keyboard.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] [stderr]     Updating git repository `https://github.com/maroider/xkbcommon-dl`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7ebe9b926e985e11b90dd514683d03c2cdeea7849a501b6796dd364f2876c63
[INFO] running `Command { std: "docker" "start" "-a" "c7ebe9b926e985e11b90dd514683d03c2cdeea7849a501b6796dd364f2876c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ebe9b926e985e11b90dd514683d03c2cdeea7849a501b6796dd364f2876c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ebe9b926e985e11b90dd514683d03c2cdeea7849a501b6796dd364f2876c63", kill_on_drop: false }`
[INFO] [stdout] c7ebe9b926e985e11b90dd514683d03c2cdeea7849a501b6796dd364f2876c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29420dc4f23ac55c04cf0778c9e429d41f44ced943bceaaf2990e429d61f47c7
[INFO] running `Command { std: "docker" "start" "-a" "29420dc4f23ac55c04cf0778c9e429d41f44ced943bceaaf2990e429d61f47c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
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[INFO] [stderr]    Compiling unicode-ident v1.0.3
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[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking once_cell v1.14.0
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[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking termcolor v1.1.3
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[INFO] [stderr]     Checking adler32 v1.2.0
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[INFO] [stderr]    Compiling regex-syntax v0.6.27
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[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
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[INFO] [stderr]    Compiling wgpu-core v0.13.0 (https://github.com/gfx-rs/wgpu?branch=master#94ce7639)
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.3.7
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[INFO] [stderr]    Compiling env_logger v0.9.0
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[INFO] [stderr]     Checking renderdoc-sys v0.7.1
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[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking naga v0.9.0 (https://github.com/gfx-rs/naga?rev=b209d911#b209d911)
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[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.85
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[INFO] [stderr]     Checking xkbcommon-dl v0.1.0 (https://github.com/maroider/xkbcommon-dl?rev=900832888ad6f11011d1369befb344a9aa8a9610#90083288)
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking nameof v1.2.2
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking winit v0.27.2 (https://github.com/anlumo/winit-new-keyboard.git?branch=new-keyboard-linux#5e6dec94)
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking wgpu-hal v0.13.0 (https://github.com/gfx-rs/wgpu?branch=master#94ce7639)
[INFO] [stderr]    Compiling flutter_embedder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking serde_variant v0.1.1
[INFO] [stderr]     Checking wgpu v0.13.0 (https://github.com/gfx-rs/wgpu?branch=master#94ce7639)
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell, result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell, result_option_inspect)]
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell, result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell, result_option_inspect)]
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/flutter_application/compositor.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut backing_store = unsafe { &mut *backing_store_out as &mut FlutterBackingStore };
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/flutter_application/compositor.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut backing_store = unsafe { &mut *backing_store_out as &mut FlutterBackingStore };
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         drop(flutter_compositor);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterCompositor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         drop(custom_task_runners);
[INFO] [stdout]     |         ^^^^^-------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterCustomTaskRunners`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         drop(platform_task_runner);
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterTaskRunnerDescription`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         drop(render_task_runner);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterTaskRunnerDescription`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:346:17
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 drop(metrics);
[INFO] [stdout]     |                 ^^^^^-------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `FlutterWindowMetricsEvent`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |                     drop(event);
[INFO] [stdout]     |                     ^^^^^-----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `FlutterPointerEvent`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |         drop(message);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterPlatformMessage`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         drop(flutter_compositor);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterCompositor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         drop(custom_task_runners);
[INFO] [stdout]     |         ^^^^^-------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterCustomTaskRunners`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         drop(platform_task_runner);
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterTaskRunnerDescription`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         drop(render_task_runner);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterTaskRunnerDescription`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:346:17
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 drop(metrics);
[INFO] [stdout]     |                 ^^^^^-------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `FlutterWindowMetricsEvent`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |                     drop(event);
[INFO] [stdout]     |                     ^^^^^-----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `FlutterPointerEvent`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/flutter_application.rs:526:9
[INFO] [stdout]     |
[INFO] [stdout] 526 |         drop(message);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `FlutterPlatformMessage`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.14s
[INFO] running `Command { std: "docker" "inspect" "29420dc4f23ac55c04cf0778c9e429d41f44ced943bceaaf2990e429d61f47c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29420dc4f23ac55c04cf0778c9e429d41f44ced943bceaaf2990e429d61f47c7", kill_on_drop: false }`
[INFO] [stdout] 29420dc4f23ac55c04cf0778c9e429d41f44ced943bceaaf2990e429d61f47c7
