[INFO] fetching crate rustorch 0.6.29...
[INFO] checking rustorch-0.6.29 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate rustorch 0.6.29 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rustorch 0.6.29
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustorch 0.6.29
[INFO] tweaked toml for crates.io crate rustorch 0.6.29 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustorch 0.6.29 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 rustorch 0.6.29 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b9dc6f2ae216b2b1fe2938998e262a3f5286e21fbc58d3140d304fd6801465d7
[INFO] running `Command { std: "docker" "start" "-a" "b9dc6f2ae216b2b1fe2938998e262a3f5286e21fbc58d3140d304fd6801465d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9dc6f2ae216b2b1fe2938998e262a3f5286e21fbc58d3140d304fd6801465d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9dc6f2ae216b2b1fe2938998e262a3f5286e21fbc58d3140d304fd6801465d7", kill_on_drop: false }`
[INFO] [stdout] b9dc6f2ae216b2b1fe2938998e262a3f5286e21fbc58d3140d304fd6801465d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 01932fd33e5c9c008c2e6f14dcf21c0a5b11f94eb782e23e167f32eb3dcea08b
[INFO] running `Command { std: "docker" "start" "-a" "01932fd33e5c9c008c2e6f14dcf21c0a5b11f94eb782e23e167f32eb3dcea08b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.101
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.101
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]    Compiling rustorch v0.6.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking rustix v1.0.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking ndarray-rand v0.15.0
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.101
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling rustorch-macros v0.6.29
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.51
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.101
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.101
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking js-sys v0.3.78
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.51
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.51
[INFO] [stdout] error: struct `CudaBuffer` is never constructed
[INFO] [stdout]   --> src/gpu/cuda_kernels.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct CudaBuffer<T> {
[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: `CudaBuffer` 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 `rustorch` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `CudaBuffer` is never constructed
[INFO] [stdout]   --> src/gpu/cuda_kernels.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct CudaBuffer<T> {
[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: `CudaBuffer` 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 `rustorch` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01932fd33e5c9c008c2e6f14dcf21c0a5b11f94eb782e23e167f32eb3dcea08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01932fd33e5c9c008c2e6f14dcf21c0a5b11f94eb782e23e167f32eb3dcea08b", kill_on_drop: false }`
[INFO] [stdout] 01932fd33e5c9c008c2e6f14dcf21c0a5b11f94eb782e23e167f32eb3dcea08b
