[INFO] fetching crate waterui-core 0.2.0...
[INFO] checking waterui-core-0.2.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate waterui-core 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate waterui-core 0.2.0
[INFO] finished tweaking crates.io crate waterui-core 0.2.0
[INFO] tweaked toml for crates.io crate waterui-core 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waterui-core 0.2.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waterui-core 0.2.0 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca75c17c281c6802764d6cb1e94f53095c1bbe9e53131ad7e072b4fa3cac59aa
[INFO] running `Command { std: "docker" "start" "-a" "ca75c17c281c6802764d6cb1e94f53095c1bbe9e53131ad7e072b4fa3cac59aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca75c17c281c6802764d6cb1e94f53095c1bbe9e53131ad7e072b4fa3cac59aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca75c17c281c6802764d6cb1e94f53095c1bbe9e53131ad7e072b4fa3cac59aa", kill_on_drop: false }`
[INFO] [stdout] ca75c17c281c6802764d6cb1e94f53095c1bbe9e53131ad7e072b4fa3cac59aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efacd55d70bdff0be24b370da80bc2a0e1b81d6820789303a02d22151d314c42
[INFO] running `Command { std: "docker" "start" "-a" "efacd55d70bdff0be24b370da80bc2a0e1b81d6820789303a02d22151d314c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking nami-core v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking waterui-str v0.2.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking executor-core v0.6.0
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]    Compiling nami-derive v0.2.2
[INFO] [stderr]     Checking nami v0.9.1
[INFO] [stderr]     Checking waterui-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `ForEachItem` is never constructed
[INFO] [stdout]    --> src/views.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 | pub struct ForEachItem<T, F, V>
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `ForEachItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `waterui-core` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `ForEachItem` is never constructed
[INFO] [stdout]    --> src/views.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 | pub struct ForEachItem<T, F, V>
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `ForEachItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `waterui-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "efacd55d70bdff0be24b370da80bc2a0e1b81d6820789303a02d22151d314c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efacd55d70bdff0be24b370da80bc2a0e1b81d6820789303a02d22151d314c42", kill_on_drop: false }`
[INFO] [stdout] efacd55d70bdff0be24b370da80bc2a0e1b81d6820789303a02d22151d314c42
