[INFO] fetching crate repose-core 0.16.0...
[INFO] checking repose-core-0.16.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate repose-core 0.16.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate repose-core 0.16.0
[INFO] finished tweaking crates.io crate repose-core 0.16.0
[INFO] tweaked toml for crates.io crate repose-core 0.16.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate repose-core 0.16.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate repose-core 0.16.0 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29efaca022ac84bcb0b962ef42b8b348c531dfef36cea9ef5c1988fdda23556f
[INFO] running `Command { std: "docker" "start" "-a" "29efaca022ac84bcb0b962ef42b8b348c531dfef36cea9ef5c1988fdda23556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29efaca022ac84bcb0b962ef42b8b348c531dfef36cea9ef5c1988fdda23556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29efaca022ac84bcb0b962ef42b8b348c531dfef36cea9ef5c1988fdda23556f", kill_on_drop: false }`
[INFO] [stdout] 29efaca022ac84bcb0b962ef42b8b348c531dfef36cea9ef5c1988fdda23556f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a8aa2dab249fd520183e8697a066366d49ef5b77b678d38ed8027c185c8afa
[INFO] running `Command { std: "docker" "start" "-a" "70a8aa2dab249fd520183e8697a066366d49ef5b77b678d38ed8027c185c8afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking grid v1.0.1
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking log v0.4.30
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking taffy v0.10.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking repose-core v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/animation.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let start = match self.start_time {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/animation.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let start = match self.start_time {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `memo_cache` is never read
[INFO] [stdout]   --> src/scope.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct ScopeInner {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     memo_cache: RefCell<std::collections::HashMap<String, Box<dyn Any>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MutableState` is never constructed
[INFO] [stdout]  --> src/state.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MutableState<T: Clone + 'static> {
[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: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner` and `saver` are never read
[INFO] [stdout]  --> src/state.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MutableState<T: Clone + 'static> {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 7 |     inner: Signal<T>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     saver: Option<Box<dyn StateSaver<T>>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repose-core` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `memo_cache` is never read
[INFO] [stdout]   --> src/scope.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct ScopeInner {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     memo_cache: RefCell<std::collections::HashMap<String, Box<dyn Any>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MutableState` is never constructed
[INFO] [stdout]  --> src/state.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MutableState<T: Clone + 'static> {
[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: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner` and `saver` are never read
[INFO] [stdout]  --> src/state.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MutableState<T: Clone + 'static> {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 7 |     inner: Signal<T>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     saver: Option<Box<dyn StateSaver<T>>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repose-core` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "70a8aa2dab249fd520183e8697a066366d49ef5b77b678d38ed8027c185c8afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a8aa2dab249fd520183e8697a066366d49ef5b77b678d38ed8027c185c8afa", kill_on_drop: false }`
[INFO] [stdout] 70a8aa2dab249fd520183e8697a066366d49ef5b77b678d38ed8027c185c8afa
