[INFO] cloning repository https://github.com/a5i/eregex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a5i/eregex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa5i%2Feregex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa5i%2Feregex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79b0b3789998a90efc7fff9a0abde33a9b358176
[INFO] checking a5i/eregex against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa5i%2Feregex" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/a5i/eregex
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/a5i/eregex
[INFO] tweaked toml for git repo https://github.com/a5i/eregex written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/a5i/eregex 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 git repo https://github.com/a5i/eregex 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a
[INFO] running `Command { std: "docker" "start" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a", 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" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a", 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" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking eregex v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.125
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.6
[INFO] [stderr]    Compiling napi-build v2.2.4
[INFO] [stderr]    Compiling bumpalo v3.20.3
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.7
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling wasm-bindgen v0.2.125
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking napi-sys v3.0.1
[INFO] [stderr]    Compiling napi v3.4.0
[INFO] [stderr]    Compiling eregex-node v0.1.5 (/opt/rustwide/workdir/crates/eregex-node)
[INFO] [stderr]    Compiling dtor v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling ctor v0.6.3
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stdout] warning: function `readme_m_M_word_anchors` should have a snake case name
[INFO] [stdout]    --> tests/readme_examples.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn readme_m_M_word_anchors() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `readme_m_m_word_anchors`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pyo3-build-config v0.29.0
[INFO] [stderr]    Compiling pyo3-ffi v0.29.0
[INFO] [stderr]    Compiling pyo3 v0.29.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.125
[INFO] [stderr]    Compiling pyo3-macros-backend v0.29.0
[INFO] [stderr]    Compiling napi-derive-backend v3.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling napi-derive v3.3.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.125
[INFO] [stderr]    Compiling pyo3-macros v0.29.0
[INFO] [stderr]     Checking js-sys v0.3.102
[INFO] [stderr]     Checking eregex-python v0.1.5 (/opt/rustwide/workdir/crates/eregex-python)
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:367:74
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn group<'py>(&self, py: Python<'py>, args: &Bound<'py, PyTuple>) -> PyResult<Py<PyAny>> {
[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: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:613:50
[INFO] [stdout]     |
[INFO] [stdout] 613 | fn py_is_match(pattern: &str, haystack: &str) -> PyResult<bool> {
[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: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:627:38
[INFO] [stdout]     |
[INFO] [stdout] 627 | fn py_parse_flags(flag_str: &str) -> PyResult<u32> {
[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: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:656:53
[INFO] [stdout]     |
[INFO] [stdout] 656 | fn py_compile(pattern: &str, flags: Option<u32>) -> PyResult<PyRegex> {
[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 `eregex-python` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:367:74
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn group<'py>(&self, py: Python<'py>, args: &Bound<'py, PyTuple>) -> PyResult<Py<PyAny>> {
[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: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:613:50
[INFO] [stdout]     |
[INFO] [stdout] 613 | fn py_is_match(pattern: &str, haystack: &str) -> PyResult<bool> {
[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: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:627:38
[INFO] [stdout]     |
[INFO] [stdout] 627 | fn py_parse_flags(flag_str: &str) -> PyResult<u32> {
[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: `pyo3::PyErr`
[INFO] [stdout]    --> crates/eregex-python/src/lib.rs:656:53
[INFO] [stdout]     |
[INFO] [stdout] 656 | fn py_compile(pattern: &str, flags: Option<u32>) -> PyResult<PyRegex> {
[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 `eregex-python` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a", kill_on_drop: false }`
[INFO] [stdout] 27e6b43d8a496ba5fe98cd0a246a93e9ffd989cf675860443af3daddd6371c1a
