[INFO] fetching crate pymeta-proc-macro-backend 1.1.2...
[INFO] checking pymeta-proc-macro-backend-1.1.2 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate pymeta-proc-macro-backend 1.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pymeta-proc-macro-backend 1.1.2
[INFO] finished tweaking crates.io crate pymeta-proc-macro-backend 1.1.2
[INFO] tweaked toml for crates.io crate pymeta-proc-macro-backend 1.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pymeta-proc-macro-backend 1.1.2 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 pymeta-proc-macro-backend 1.1.2 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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0
[INFO] running `Command { std: "docker" "start" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0", 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" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0", 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" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling prettyplease v0.3.0
[INFO] [stderr]     Checking rustc-literal-escaper v0.0.8
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking syn v3.0.2
[INFO] [stderr]    Compiling pyo3-build-config v0.29.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling pyo3-ffi v0.29.0
[INFO] [stderr]    Compiling pyo3 v0.29.0
[INFO] [stderr]    Compiling pymeta-proc-macro-backend v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pyo3-macros-backend v0.29.0
[INFO] [stderr]    Compiling pyo3-macros v0.29.0
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/py/impl_pyo3.rs:511:14
[INFO] [stdout]     |
[INFO] [stdout] 511 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:531:93
[INFO] [stdout]     |
[INFO] [stdout] 531 |         fn append_punct(&mut self, char: char, spacing: &str, span: Option<&mut PySpan>) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:543:80
[INFO] [stdout]     |
[INFO] [stdout] 543 |         fn append_ident(&mut self, string: &str, span: Option<&mut PySpan>) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:554:14
[INFO] [stdout]     |
[INFO] [stdout] 554 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:593:14
[INFO] [stdout]     |
[INFO] [stdout] 593 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:634:14
[INFO] [stdout]     |
[INFO] [stdout] 634 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:650:14
[INFO] [stdout]     |
[INFO] [stdout] 650 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:675:65
[INFO] [stdout]     |
[INFO] [stdout] 675 |         fn to_pymeta_tokens<'py>(&mut self, py: Python<'py>) -> PyResult<Bound<'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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/py/impl_pyo3.rs:684:40
[INFO] [stdout]     |
[INFO] [stdout] 684 |         fn parse(source_code: &str) -> PyResult<Self> {
[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]    --> src/py/impl_pyo3.rs:695:39
[INFO] [stdout]     |
[INFO] [stdout] 695 |     fn tracked_path(path: PathBuf) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:710:38
[INFO] [stdout]     |
[INFO] [stdout] 710 |     fn tracked_env_var(key: &str) -> PyResult<String> {
[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 `pymeta-proc-macro-backend` (lib) due to 11 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]    --> src/py/impl_pyo3.rs:511:14
[INFO] [stdout]     |
[INFO] [stdout] 511 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:531:93
[INFO] [stdout]     |
[INFO] [stdout] 531 |         fn append_punct(&mut self, char: char, spacing: &str, span: Option<&mut PySpan>) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:543:80
[INFO] [stdout]     |
[INFO] [stdout] 543 |         fn append_ident(&mut self, string: &str, span: Option<&mut PySpan>) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:554:14
[INFO] [stdout]     |
[INFO] [stdout] 554 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:593:14
[INFO] [stdout]     |
[INFO] [stdout] 593 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:634:14
[INFO] [stdout]     |
[INFO] [stdout] 634 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:650:14
[INFO] [stdout]     |
[INFO] [stdout] 650 |         ) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:675:65
[INFO] [stdout]     |
[INFO] [stdout] 675 |         fn to_pymeta_tokens<'py>(&mut self, py: Python<'py>) -> PyResult<Bound<'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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/py/impl_pyo3.rs:684:40
[INFO] [stdout]     |
[INFO] [stdout] 684 |         fn parse(source_code: &str) -> PyResult<Self> {
[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]    --> src/py/impl_pyo3.rs:695:39
[INFO] [stdout]     |
[INFO] [stdout] 695 |     fn tracked_path(path: PathBuf) -> PyResult<()> {
[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]    --> src/py/impl_pyo3.rs:710:38
[INFO] [stdout]     |
[INFO] [stdout] 710 |     fn tracked_env_var(key: &str) -> PyResult<String> {
[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 `pymeta-proc-macro-backend` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0", kill_on_drop: false }`
[INFO] [stdout] 758b00bca83582338a304fff00fe8097cb1b62347bac85e9964ae64d81512fd0
