[INFO] fetching crate spring-ai-rs 0.2.1...
[INFO] checking spring-ai-rs-0.2.1 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate spring-ai-rs 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spring-ai-rs 0.2.1
[INFO] finished tweaking crates.io crate spring-ai-rs 0.2.1
[INFO] tweaked toml for crates.io crate spring-ai-rs 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spring-ai-rs 0.2.1 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] 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 36 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding nalgebra v0.32.6 (available: v0.35.0)
[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-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8236e58066d5a828597acd47a2b0bb416c5b2765fff2326281e4a7cdcafe57d
[INFO] running `Command { std: "docker" "start" "-a" "a8236e58066d5a828597acd47a2b0bb416c5b2765fff2326281e4a7cdcafe57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8236e58066d5a828597acd47a2b0bb416c5b2765fff2326281e4a7cdcafe57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8236e58066d5a828597acd47a2b0bb416c5b2765fff2326281e4a7cdcafe57d", kill_on_drop: false }`
[INFO] [stdout] a8236e58066d5a828597acd47a2b0bb416c5b2765fff2326281e4a7cdcafe57d
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0f2ae490bb7baada2961120f19e5220d08868388cb13dd97d3dbac6d275f53
[INFO] running `Command { std: "docker" "start" "-a" "2b0f2ae490bb7baada2961120f19e5220d08868388cb13dd97d3dbac6d275f53", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking spring-ai-sys v0.2.1
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling spring-ai-rs-macro v0.2.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking nalgebra v0.32.6
[INFO] [stderr]     Checking spring-ai-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Trace` is never constructed
[INFO] [stdout]   --> src/ai_interface/callback/trace.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Trace {
[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] [stderr] error: could not compile `spring-ai-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Trace` is never constructed
[INFO] [stdout]   --> src/ai_interface/callback/trace.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Trace {
[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] [stderr] error: could not compile `spring-ai-rs` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2b0f2ae490bb7baada2961120f19e5220d08868388cb13dd97d3dbac6d275f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0f2ae490bb7baada2961120f19e5220d08868388cb13dd97d3dbac6d275f53", kill_on_drop: false }`
[INFO] [stdout] 2b0f2ae490bb7baada2961120f19e5220d08868388cb13dd97d3dbac6d275f53
