[INFO] fetching crate repose-core 0.14.1...
[INFO] checking repose-core-0.14.1 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate repose-core 0.14.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate repose-core 0.14.1
[INFO] finished tweaking crates.io crate repose-core 0.14.1
[INFO] tweaked toml for crates.io crate repose-core 0.14.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate repose-core 0.14.1 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 repose-core 0.14.1 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cba53b2ff47883be25d49bcfbe767d13ac38769908aac6af675355ef93c57d4d
[INFO] running `Command { std: "docker" "start" "-a" "cba53b2ff47883be25d49bcfbe767d13ac38769908aac6af675355ef93c57d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba53b2ff47883be25d49bcfbe767d13ac38769908aac6af675355ef93c57d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba53b2ff47883be25d49bcfbe767d13ac38769908aac6af675355ef93c57d4d", kill_on_drop: false }`
[INFO] [stdout] cba53b2ff47883be25d49bcfbe767d13ac38769908aac6af675355ef93c57d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e90e17de07c1fc18a8ad71c2e578847ba3068b9b826136a09f175351a5807819
[INFO] running `Command { std: "docker" "start" "-a" "e90e17de07c1fc18a8ad71c2e578847ba3068b9b826136a09f175351a5807819", kill_on_drop: false }`
[INFO] [stderr]     Checking grid v1.0.1
[INFO] [stderr]     Checking taffy v0.10.1
[INFO] [stderr]     Checking repose-core v0.14.1 (/opt/rustwide/workdir)
[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_struct)]` (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; 2 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_struct)]` (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; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e90e17de07c1fc18a8ad71c2e578847ba3068b9b826136a09f175351a5807819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90e17de07c1fc18a8ad71c2e578847ba3068b9b826136a09f175351a5807819", kill_on_drop: false }`
[INFO] [stdout] e90e17de07c1fc18a8ad71c2e578847ba3068b9b826136a09f175351a5807819
