[INFO] cloning repository https://github.com/micahpw/UnitArrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micahpw/UnitArrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicahpw%2FUnitArrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicahpw%2FUnitArrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b95cb089543d7ec5ce38492ac3c291685ada5c4d
[INFO] checking micahpw/UnitArrow against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicahpw%2FUnitArrow" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/micahpw/UnitArrow
[INFO] finished tweaking git repo https://github.com/micahpw/UnitArrow
[INFO] tweaked toml for git repo https://github.com/micahpw/UnitArrow written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/micahpw/UnitArrow 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/micahpw/UnitArrow 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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5
[INFO] running `Command { std: "docker" "start" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5", 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" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5", 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" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking unitarrow-core v0.0.1 (/opt/rustwide/workdir/crates/unitarrow-core)
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]     Checking unitarrow v0.0.1 (/opt/rustwide/workdir/crates/unitarrow)
[INFO] [stderr]    Compiling pyo3-build-config v0.29.2
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling pyo3-ffi v0.29.2
[INFO] [stderr]    Compiling pyo3 v0.29.2
[INFO] [stderr]     Checking unitarrow-wasm v0.0.1 (/opt/rustwide/workdir/crates/unitarrow-wasm)
[INFO] [stderr]    Compiling pyo3-macros-backend v0.29.2
[INFO] [stderr]    Compiling pyo3-macros v0.29.2
[INFO] [stderr]     Checking unitarrow-py v0.0.1 (/opt/rustwide/workdir/crates/unitarrow-py)
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]   --> crates/unitarrow-py/src/lib.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn from_toml(source: &str) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:82:72
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn compose_paths(paths: Vec<String>, name: &str, version: &str) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn from_path(path: &str) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn canonicalize(&self, unit: &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] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> crates/unitarrow-py/src/lib.rs:136:40
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn dimension(&self, unit: &str) -> PyResult<std::collections::BTreeMap<String, i32>> {
[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/unitarrow-py/src/lib.rs:154:50
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn commensurable(&self, a: &str, b: &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/unitarrow-py/src/lib.rs:167:51
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn conversion(&self, from: &str, to: &str) -> PyResult<Conversion> {
[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/unitarrow-py/src/lib.rs:188:63
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn metadata(&self, unit: &str, quantity: Option<&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] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> crates/unitarrow-py/src/lib.rs:198:46
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn col(&self, name: &str, unit: &str) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:315:54
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn to(&self, unit: &str, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:326:61
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn mul(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:332:61
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn div(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:338:61
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn add(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:349:61
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn sub(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:367:34
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn parse_metadata(json: &str) -> PyResult<std::collections::BTreeMap<String, 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 `unitarrow-py` (lib) due to 16 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/unitarrow-py/src/lib.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn from_toml(source: &str) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:82:72
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn compose_paths(paths: Vec<String>, name: &str, version: &str) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:96:33
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn from_path(path: &str) -> PyResult<Registry> {
[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/unitarrow-py/src/lib.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn canonicalize(&self, unit: &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] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> crates/unitarrow-py/src/lib.rs:136:40
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn dimension(&self, unit: &str) -> PyResult<std::collections::BTreeMap<String, i32>> {
[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/unitarrow-py/src/lib.rs:154:50
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn commensurable(&self, a: &str, b: &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/unitarrow-py/src/lib.rs:167:51
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn conversion(&self, from: &str, to: &str) -> PyResult<Conversion> {
[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/unitarrow-py/src/lib.rs:188:63
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn metadata(&self, unit: &str, quantity: Option<&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] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> crates/unitarrow-py/src/lib.rs:198:46
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn col(&self, name: &str, unit: &str) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:315:54
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn to(&self, unit: &str, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:326:61
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn mul(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:332:61
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn div(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:338:61
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn add(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:349:61
[INFO] [stdout]     |
[INFO] [stdout] 349 |     fn sub(&self, other: &Fragment, registry: &Registry) -> PyResult<Fragment> {
[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/unitarrow-py/src/lib.rs:367:34
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn parse_metadata(json: &str) -> PyResult<std::collections::BTreeMap<String, 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 `unitarrow-py` (lib test) due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5", kill_on_drop: false }`
[INFO] [stdout] 378e076c3834398ccc5d35a998b287c96645438c3f5627d80db3530e9d4aa7a5
