[INFO] fetching crate rustmatrix 2.1.1...
[INFO] checking rustmatrix-2.1.1 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate rustmatrix 2.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rustmatrix 2.1.1
[INFO] finished tweaking crates.io crate rustmatrix 2.1.1
[INFO] tweaked toml for crates.io crate rustmatrix 2.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustmatrix 2.1.1 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustmatrix 2.1.1 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3
[INFO] running `Command { std: "docker" "start" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]    Compiling pyo3-macros v0.22.6
[INFO] [stderr]     Checking nalgebra v0.33.3
[INFO] [stderr]     Checking numpy v0.22.1
[INFO] [stderr]     Checking rustmatrix v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/pybindings.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 | ) -> PyResult<(TMatrixHandle, usize)> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/pybindings.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | ) -> PyResult<(Bound<'py, PyArray2<Complex64>>, Bound<'py, PyArray2<f64>>)> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pybindings.rs:145:6
[INFO] [stdout]     |
[INFO] [stdout] 145 | ) -> PyResult<(Bound<'py, PyArray4<Complex64>>, Bound<'py, PyArray4<f64>>)> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pybindings.rs:253:6
[INFO] [stdout]     |
[INFO] [stdout] 253 | ) -> PyResult<(Bound<'py, PyArray4<Complex64>>, Bound<'py, PyArray4<f64>>)> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pybindings.rs:395:6
[INFO] [stdout]     |
[INFO] [stdout] 395 |   ) -> PyResult<(
[INFO] [stdout]     |  ______^
[INFO] [stdout] 396 | |     Bound<'py, PyArray4<Complex64>>,
[INFO] [stdout] 397 | |     Bound<'py, PyArray4<f64>>,
[INFO] [stdout] 398 | |     Bound<'py, numpy::PyArray3<f64>>,
[INFO] [stdout] 399 | |     Bound<'py, numpy::PyArray3<f64>>,
[INFO] [stdout] 400 | |     Bound<'py, numpy::PyArray3<f64>>,
[INFO] [stdout] 401 | | )> {
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmatrix` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/pybindings.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 | ) -> PyResult<(TMatrixHandle, usize)> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/pybindings.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | ) -> PyResult<(Bound<'py, PyArray2<Complex64>>, Bound<'py, PyArray2<f64>>)> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pybindings.rs:145:6
[INFO] [stdout]     |
[INFO] [stdout] 145 | ) -> PyResult<(Bound<'py, PyArray4<Complex64>>, Bound<'py, PyArray4<f64>>)> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pybindings.rs:253:6
[INFO] [stdout]     |
[INFO] [stdout] 253 | ) -> PyResult<(Bound<'py, PyArray4<Complex64>>, Bound<'py, PyArray4<f64>>)> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pybindings.rs:395:6
[INFO] [stdout]     |
[INFO] [stdout] 395 |   ) -> PyResult<(
[INFO] [stdout]     |  ______^
[INFO] [stdout] 396 | |     Bound<'py, PyArray4<Complex64>>,
[INFO] [stdout] 397 | |     Bound<'py, PyArray4<f64>>,
[INFO] [stdout] 398 | |     Bound<'py, numpy::PyArray3<f64>>,
[INFO] [stdout] 399 | |     Bound<'py, numpy::PyArray3<f64>>,
[INFO] [stdout] 400 | |     Bound<'py, numpy::PyArray3<f64>>,
[INFO] [stdout] 401 | | )> {
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmatrix` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3", kill_on_drop: false }`
[INFO] [stdout] 7adc74deda328ec77ed7fde161dc17e8e466feaa51bed33f74210642b1c00bc3
