[INFO] fetching crate forust-ml 0.4.8...
[INFO] checking forust-ml-0.4.8 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate forust-ml 0.4.8 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate forust-ml 0.4.8
[INFO] finished tweaking crates.io crate forust-ml 0.4.8
[INFO] tweaked toml for crates.io crate forust-ml 0.4.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate forust-ml 0.4.8 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5348b66d4bad2df501966d940cda69e524f3fce521250fbe002f49af588fb30d
[INFO] running `Command { std: "docker" "start" "-a" "5348b66d4bad2df501966d940cda69e524f3fce521250fbe002f49af588fb30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5348b66d4bad2df501966d940cda69e524f3fce521250fbe002f49af588fb30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5348b66d4bad2df501966d940cda69e524f3fce521250fbe002f49af588fb30d", kill_on_drop: false }`
[INFO] [stdout] 5348b66d4bad2df501966d940cda69e524f3fce521250fbe002f49af588fb30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e692fe05753a56bf301e3b4e7b934f20836f02bbe039ba06b7d8a8e4cb68f529
[INFO] running `Command { std: "docker" "start" "-a" "e692fe05753a56bf301e3b4e7b934f20836f02bbe039ba06b7d8a8e4cb68f529", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking forust-ml v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         &self,
[INFO] [stdout]     |         ^^^^^ this lifetime flows to the output
[INFO] [stdout] 130 |         row: usize,
[INFO] [stdout] 131 |     ) -> std::iter::StepBy<std::iter::Skip<std::slice::Iter<T>>> {
[INFO] [stdout]     |                                            ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     ) -> std::iter::StepBy<std::iter::Skip<std::slice::Iter<'_, T>>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         &self,
[INFO] [stdout]     |         ^^^^^ this lifetime flows to the output
[INFO] [stdout] 130 |         row: usize,
[INFO] [stdout] 131 |     ) -> std::iter::StepBy<std::iter::Skip<std::slice::Iter<T>>> {
[INFO] [stdout]     |                                            ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     ) -> std::iter::StepBy<std::iter::Skip<std::slice::Iter<'_, T>>> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `criterion`
[INFO] [stdout]  --> benches/forust_benchmarks.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `criterion`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `criterion`, use `cargo add criterion` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forust-ml` (bench "forust_benchmarks") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e692fe05753a56bf301e3b4e7b934f20836f02bbe039ba06b7d8a8e4cb68f529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e692fe05753a56bf301e3b4e7b934f20836f02bbe039ba06b7d8a8e4cb68f529", kill_on_drop: false }`
[INFO] [stdout] e692fe05753a56bf301e3b4e7b934f20836f02bbe039ba06b7d8a8e4cb68f529