[INFO] fetching crate tantale_python 0.3.2...
[INFO] checking tantale_python-0.3.2 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate tantale_python 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tantale_python 0.3.2
[INFO] finished tweaking crates.io crate tantale_python 0.3.2
[INFO] tweaked toml for crates.io crate tantale_python 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tantale_python 0.3.2 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 tantale_python 0.3.2 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] b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90
[INFO] running `Command { std: "docker" "start" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90", 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" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90", 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" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-build-config v0.28.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling pyo3-ffi v0.28.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.28.3
[INFO] [stderr]    Compiling pyo3 v0.28.3
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking ndarray v0.17.2
[INFO] [stderr]    Compiling pyo3-macros v0.28.3
[INFO] [stderr]     Checking tantale_core v0.3.2
[INFO] [stderr]     Checking tantale_python v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pyoutcome.rs:107:10
[INFO] [stdout]     |
[INFO] [stdout] 107 |     ) -> PyResult<pyo3::Bound<'py, pyo3::types::PyTuple>> {
[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] [stderr] error: could not compile `tantale_python` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/pyoutcome.rs:107:10
[INFO] [stdout]     |
[INFO] [stdout] 107 |     ) -> PyResult<pyo3::Bound<'py, pyo3::types::PyTuple>> {
[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] [stderr] error: could not compile `tantale_python` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90", kill_on_drop: false }`
[INFO] [stdout] b59b19285d72a07f19fb31c8e82836fbbe3c989251ce2063ac370eb58700df90
