[INFO] fetching crate rcommunity_core 0.0.3...
[INFO] checking rcommunity_core-0.0.3 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate rcommunity_core 0.0.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rcommunity_core 0.0.3
[INFO] finished tweaking crates.io crate rcommunity_core 0.0.3
[INFO] tweaked toml for crates.io crate rcommunity_core 0.0.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcommunity_core 0.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6738fa9101ea35a494253321e138e470a5c25192f737d154fadee064d6e1ad3e
[INFO] running `Command { std: "docker" "start" "-a" "6738fa9101ea35a494253321e138e470a5c25192f737d154fadee064d6e1ad3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6738fa9101ea35a494253321e138e470a5c25192f737d154fadee064d6e1ad3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6738fa9101ea35a494253321e138e470a5c25192f737d154fadee064d6e1ad3e", kill_on_drop: false }`
[INFO] [stdout] 6738fa9101ea35a494253321e138e470a5c25192f737d154fadee064d6e1ad3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ffa7af5f52d08cfae8572eb38a76ce7dfe87fe3de92fe305b054e32a0acac8aa
[INFO] running `Command { std: "docker" "start" "-a" "ffa7af5f52d08cfae8572eb38a76ce7dfe87fe3de92fe305b054e32a0acac8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking rcommunity_core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `reactions::*`
[INFO] [stdout]  --> src/markers/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use reactions::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `UserItemUnboundedReactionClient` is never constructed
[INFO] [stdout]   --> src/client/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct UserItemUnboundedReactionClient<
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/store/memory.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn txn_lock(&self) -> (MutexGuard<usize>, &Condvar) {
[INFO] [stdout]    |                 ^^^^^      ^^^^^^^^^^^^^^^^^  ^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                 |          |
[INFO] [stdout]    |                 |          the same lifetime is hidden here
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn txn_lock(&self) -> (MutexGuard<'_, usize>, &Condvar) {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcommunity_core` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ffa7af5f52d08cfae8572eb38a76ce7dfe87fe3de92fe305b054e32a0acac8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa7af5f52d08cfae8572eb38a76ce7dfe87fe3de92fe305b054e32a0acac8aa", kill_on_drop: false }`
[INFO] [stdout] ffa7af5f52d08cfae8572eb38a76ce7dfe87fe3de92fe305b054e32a0acac8aa
