[INFO] cloning repository https://github.com/rust-ml-learners/ml-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-ml-learners/ml-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-ml-learners%2Fml-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-ml-learners%2Fml-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d49c68839aac8d738935ade9bcdcaadd6d8eb13
[INFO] checking rust-ml-learners/ml-core against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-ml-learners%2Fml-core" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rust-ml-learners/ml-core
[INFO] finished tweaking git repo https://github.com/rust-ml-learners/ml-core
[INFO] tweaked toml for git repo https://github.com/rust-ml-learners/ml-core written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rust-ml-learners/ml-core 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 git repo https://github.com/rust-ml-learners/ml-core 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9b8d1d067999de1654b872103bf6cd53701b112b919ecdc1a4242b173157f290
[INFO] running `Command { std: "docker" "start" "-a" "9b8d1d067999de1654b872103bf6cd53701b112b919ecdc1a4242b173157f290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b8d1d067999de1654b872103bf6cd53701b112b919ecdc1a4242b173157f290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8d1d067999de1654b872103bf6cd53701b112b919ecdc1a4242b173157f290", kill_on_drop: false }`
[INFO] [stdout] 9b8d1d067999de1654b872103bf6cd53701b112b919ecdc1a4242b173157f290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4dcaa7b07a95b8a241bd90526a1a8d980460ef814b5cd9d63ed0dd9140ecd09b
[INFO] running `Command { std: "docker" "start" "-a" "4dcaa7b07a95b8a241bd90526a1a8d980460ef814b5cd9d63ed0dd9140ecd09b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking nn-framework v0.1.0 (/opt/rustwide/workdir/crates/nn-framework)
[INFO] [stderr]     Checking rusty-llm v0.1.0 (/opt/rustwide/workdir/frameworks/rusty-llm)
[INFO] [stderr]     Checking autodiff-core v0.1.0 (/opt/rustwide/workdir/crates/autodiff-core)
[INFO] [stderr]     Checking linear-layers v0.1.0 (/opt/rustwide/workdir/crates/linear-layers)
[INFO] [stderr]     Checking text-primitives v0.1.0 (/opt/rustwide/workdir/crates/text-primitives)
[INFO] [stderr]     Checking lstm-primitives v0.1.0 (/opt/rustwide/workdir/crates/lstm-primitives)
[INFO] [stderr]     Checking mini-transformer v0.1.0 (/opt/rustwide/workdir/examples/mini-transformer)
[INFO] [stderr]     Checking rnn-primitives v0.1.0 (/opt/rustwide/workdir/crates/rnn-primitives)
[INFO] [stderr]     Checking mini-torch v0.1.0 (/opt/rustwide/workdir/frameworks/mini-torch)
[INFO] [stderr]     Checking standalone-tensor v0.1.0 (/opt/rustwide/workdir/examples/standalone-tensor)
[INFO] [stderr]     Checking attention-primitives v0.1.0 (/opt/rustwide/workdir/crates/attention-primitives)
[INFO] [stderr]     Checking char-rnn v0.1.0 (/opt/rustwide/workdir/examples/char-rnn)
[INFO] [stderr]     Checking optimizer-core v0.1.0 (/opt/rustwide/workdir/crates/optimizer-core)
[INFO] [stderr]     Checking text-classifier v0.1.0 (/opt/rustwide/workdir/examples/text-classifier)
[INFO] [stderr]     Checking embedding-core v0.1.0 (/opt/rustwide/workdir/crates/embedding-core)
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking tensor-core v0.1.0 (/opt/rustwide/workdir/crates/tensor-core)
[INFO] [stderr] error: could not compile `tensor-core` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stdout] error: struct `Tensor` is never constructed
[INFO] [stdout]  --> crates/tensor-core/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tensor {
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `data` and `shape` are never read
[INFO] [stdout]  --> crates/tensor-core/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Tensor {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     data: Vec<f32>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     shape: Vec<usize>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4dcaa7b07a95b8a241bd90526a1a8d980460ef814b5cd9d63ed0dd9140ecd09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcaa7b07a95b8a241bd90526a1a8d980460ef814b5cd9d63ed0dd9140ecd09b", kill_on_drop: false }`
[INFO] [stdout] 4dcaa7b07a95b8a241bd90526a1a8d980460ef814b5cd9d63ed0dd9140ecd09b
