[INFO] cloning repository https://github.com/hankaihong1/gsyncio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hankaihong1/gsyncio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhankaihong1%2Fgsyncio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhankaihong1%2Fgsyncio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] babae241959bbe7e2c21da068c07a58ec8c7b049
[INFO] checking hankaihong1/gsyncio against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhankaihong1%2Fgsyncio" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hankaihong1/gsyncio
[INFO] finished tweaking git repo https://github.com/hankaihong1/gsyncio
[INFO] tweaked toml for git repo https://github.com/hankaihong1/gsyncio written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hankaihong1/gsyncio 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/hankaihong1/gsyncio 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51
[INFO] running `Command { std: "docker" "start" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51", 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" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51", 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" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]     Checking futures-core v0.3.33
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking futures-sink v0.3.33
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling pyo3-build-config v0.29.1
[INFO] [stderr]    Compiling pyo3-ffi v0.29.1
[INFO] [stderr]    Compiling pyo3 v0.29.1
[INFO] [stderr]    Compiling multiloop-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pyo3-macros-backend v0.29.1
[INFO] [stderr]    Compiling pyo3-macros v0.29.1
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/channel.rs:126:44
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn close(&self, py: Python<'_>) -> 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/channel.rs:182:64
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn try_send(&self, py: Python<'_>, item: Py<PyAny>) -> 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]    --> src/channel.rs:226:47
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn try_recv(&self, py: Python<'_>) -> PyResult<(bool, Option<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/channel.rs:259:87
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn send_sync(&self, py: Python<'_>, item: Py<PyAny>, timeout: Option<f64>) -> 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/channel.rs:315:70
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn recv_sync(&self, py: Python<'_>, timeout: Option<f64>) -> 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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/channel.rs:366:10
[INFO] [stdout]     |
[INFO] [stdout] 366 |     ) -> PyResult<(bool, Option<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/channel.rs:396:80
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn unregister_getter(&self, py: Python<'_>, fut: &Bound<'_, PyAny>) -> 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]    --> src/channel.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 |     ) -> 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]    --> src/channel.rs:465:80
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn unregister_putter(&self, py: Python<'_>, fut: &Bound<'_, PyAny>) -> 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]    --> src/channel.rs:504:65
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn claim_put(&self, py: Python<'_>, item: Py<PyAny>) -> 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]    --> src/channel.rs:551:10
[INFO] [stdout]     |
[INFO] [stdout] 551 |     ) -> 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]    --> src/pool.rs:117:67
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn push_global(&self, py: Python<'_>, task: Py<PyAny>) -> 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/pool.rs:140:80
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn push_local(&self, index: usize, task: Py<PyAny>, py: Python<'_>) -> 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/pool.rs:178:61
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn pop_work(&self, index: usize, py: Python<'_>) -> PyResult<Option<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/waitgroup.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn add(&self, delta: isize) -> PyResult<Option<Vec<Waiter>>> {
[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/waitgroup.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn done(&self) -> PyResult<Option<Vec<Waiter>>> {
[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 `multiloop-core` (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]    --> src/channel.rs:126:44
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn close(&self, py: Python<'_>) -> 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/channel.rs:182:64
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn try_send(&self, py: Python<'_>, item: Py<PyAny>) -> 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]    --> src/channel.rs:226:47
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn try_recv(&self, py: Python<'_>) -> PyResult<(bool, Option<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/channel.rs:259:87
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn send_sync(&self, py: Python<'_>, item: Py<PyAny>, timeout: Option<f64>) -> 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/channel.rs:315:70
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn recv_sync(&self, py: Python<'_>, timeout: Option<f64>) -> 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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/channel.rs:366:10
[INFO] [stdout]     |
[INFO] [stdout] 366 |     ) -> PyResult<(bool, Option<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/channel.rs:396:80
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn unregister_getter(&self, py: Python<'_>, fut: &Bound<'_, PyAny>) -> 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]    --> src/channel.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 |     ) -> 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]    --> src/channel.rs:465:80
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn unregister_putter(&self, py: Python<'_>, fut: &Bound<'_, PyAny>) -> 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]    --> src/channel.rs:504:65
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn claim_put(&self, py: Python<'_>, item: Py<PyAny>) -> 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]    --> src/channel.rs:551:10
[INFO] [stdout]     |
[INFO] [stdout] 551 |     ) -> 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]    --> src/pool.rs:117:67
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn push_global(&self, py: Python<'_>, task: Py<PyAny>) -> 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/pool.rs:140:80
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn push_local(&self, index: usize, task: Py<PyAny>, py: Python<'_>) -> 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/pool.rs:178:61
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn pop_work(&self, index: usize, py: Python<'_>) -> PyResult<Option<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/waitgroup.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn add(&self, delta: isize) -> PyResult<Option<Vec<Waiter>>> {
[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/waitgroup.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn done(&self) -> PyResult<Option<Vec<Waiter>>> {
[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 `multiloop-core` (lib test) due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51", kill_on_drop: false }`
[INFO] [stdout] 0f95cf8bf9272d938fcc651a68061d62348fc0442863eb9d7f1221f2204b9b51
