[INFO] fetching crate mchep_pyapi 0.2.0...
[INFO] checking mchep_pyapi-0.2.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate mchep_pyapi 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mchep_pyapi 0.2.0
[INFO] finished tweaking crates.io crate mchep_pyapi 0.2.0
[INFO] tweaked toml for crates.io crate mchep_pyapi 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mchep_pyapi 0.2.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mchep_pyapi 0.2.0 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "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] 3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d
[INFO] running `Command { std: "docker" "start" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d", 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" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d", 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" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking mchep v0.2.0
[INFO] [stderr]    Compiling pyo3-macros v0.27.2
[INFO] [stderr]     Checking mchep_pyapi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]   --> src/vegas.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 | / ...                   PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout] 81 | | ...                       .into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 80 -                             PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout] 81 -                                 .into()
[INFO] [stdout] 80 +                             PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 80 -                             PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout] 81 -                                 .into()
[INFO] [stdout] 80 +                             <PyErr as Into<_>>::into(PyValueError::new_err("Integrand must return a list of 4 floats."))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/vegas.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |     ) -> PyResult<PyVegasResult> {
[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/vegas.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 |     ) -> PyResult<PyVegasResult> {
[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/vegas.rs:296:10
[INFO] [stdout]     |
[INFO] [stdout] 296 |     ) -> PyResult<PyVegasResult> {
[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/vegas.rs:333:10
[INFO] [stdout]     |
[INFO] [stdout] 333 |     ) -> PyResult<PyVegasResult> {
[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 `mchep_pyapi` (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/vegas.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 | / ...                   PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout] 81 | | ...                       .into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 80 -                             PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout] 81 -                                 .into()
[INFO] [stdout] 80 +                             PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 80 -                             PyValueError::new_err("Integrand must return a list of 4 floats.")
[INFO] [stdout] 81 -                                 .into()
[INFO] [stdout] 80 +                             <PyErr as Into<_>>::into(PyValueError::new_err("Integrand must return a list of 4 floats."))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/vegas.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |     ) -> PyResult<PyVegasResult> {
[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/vegas.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 |     ) -> PyResult<PyVegasResult> {
[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/vegas.rs:296:10
[INFO] [stdout]     |
[INFO] [stdout] 296 |     ) -> PyResult<PyVegasResult> {
[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/vegas.rs:333:10
[INFO] [stdout]     |
[INFO] [stdout] 333 |     ) -> PyResult<PyVegasResult> {
[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 `mchep_pyapi` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d", kill_on_drop: false }`
[INFO] [stdout] 3393fd9349da6eddd633630a0a26c66afb2433f2e583303ca46945ca433f623d
