[INFO] fetching crate rosin 0.3.1...
[INFO] checking rosin-0.3.1 against master#d9563937fa3b030c5845811113505070109414d2 for pr-151830
[INFO] extracting crate rosin 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rosin 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rosin 0.3.1
[INFO] tweaked toml for crates.io crate rosin 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rosin 0.3.1 on toolchain d9563937fa3b030c5845811113505070109414d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9563937fa3b030c5845811113505070109414d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rosin 0.3.1 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" "+d9563937fa3b030c5845811113505070109414d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rosin-derive v0.3.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d9563937fa3b030c5845811113505070109414d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035ccca67d15e16dc123ea8c823534189c75d9f7d9b43bdce7a0056b833e8361
[INFO] running `Command { std: "docker" "start" "-a" "035ccca67d15e16dc123ea8c823534189c75d9f7d9b43bdce7a0056b833e8361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035ccca67d15e16dc123ea8c823534189c75d9f7d9b43bdce7a0056b833e8361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035ccca67d15e16dc123ea8c823534189c75d9f7d9b43bdce7a0056b833e8361", kill_on_drop: false }`
[INFO] [stdout] 035ccca67d15e16dc123ea8c823534189c75d9f7d9b43bdce7a0056b833e8361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d9563937fa3b030c5845811113505070109414d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93abe06a484568c1371287330f387ce71909b1b0dee8fe65cdcabd9db4bac1e1
[INFO] running `Command { std: "docker" "start" "-a" "93abe06a484568c1371287330f387ce71909b1b0dee8fe65cdcabd9db4bac1e1", kill_on_drop: false }`
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[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> src/callbacks.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ViewFn<S: 'static, H: 'static> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 25 |     pub(crate) symbol: &'static str,
[INFO] [stdout] 26 |     pub(crate) func: for<'a, 'b> fn(&'a S, &'b mut Ui<S, H>),
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> src/callbacks.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct WgpuFn<S: 'static> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 58 |     pub(crate) symbol: &'static str,
[INFO] [stdout] 59 |     pub(crate) func: for<'a, 'b, 'c> fn(&'a S, &'b mut WgpuCtx<'c>),
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMPOSITE_SHADER` is never used
[INFO] [stdout]  --> src/gpu.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) const COMPOSITE_SHADER: &str = r#"
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OverlayPipeline` is never constructed
[INFO] [stdout]   --> src/gpu.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(crate) struct OverlayPipeline {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compositor` is never constructed
[INFO] [stdout]   --> src/gpu.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub(crate) struct Compositor {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GpuCtx` is never constructed
[INFO] [stdout]   --> src/gpu.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub(crate) struct GpuCtx {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> src/callbacks.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ViewFn<S: 'static, H: 'static> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 25 |     pub(crate) symbol: &'static str,
[INFO] [stdout] 26 |     pub(crate) func: for<'a, 'b> fn(&'a S, &'b mut Ui<S, H>),
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> src/callbacks.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct WgpuFn<S: 'static> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 58 |     pub(crate) symbol: &'static str,
[INFO] [stdout] 59 |     pub(crate) func: for<'a, 'b, 'c> fn(&'a S, &'b mut WgpuCtx<'c>),
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMPOSITE_SHADER` is never used
[INFO] [stdout]  --> src/gpu.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) const COMPOSITE_SHADER: &str = r#"
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OverlayPipeline` is never constructed
[INFO] [stdout]   --> src/gpu.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub(crate) struct OverlayPipeline {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compositor` is never constructed
[INFO] [stdout]   --> src/gpu.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub(crate) struct Compositor {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GpuCtx` is never constructed
[INFO] [stdout]   --> src/gpu.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub(crate) struct GpuCtx {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "93abe06a484568c1371287330f387ce71909b1b0dee8fe65cdcabd9db4bac1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93abe06a484568c1371287330f387ce71909b1b0dee8fe65cdcabd9db4bac1e1", kill_on_drop: false }`
[INFO] [stdout] 93abe06a484568c1371287330f387ce71909b1b0dee8fe65cdcabd9db4bac1e1