[INFO] cloning repository https://github.com/Osc-Ort/jupyter_functions_exec [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Osc-Ort/jupyter_functions_exec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsc-Ort%2Fjupyter_functions_exec", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsc-Ort%2Fjupyter_functions_exec'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1e9625fcf29065720a43038a1aa3edd2b85aea2 [INFO] checking Osc-Ort/jupyter_functions_exec against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsc-Ort%2Fjupyter_functions_exec" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Osc-Ort/jupyter_functions_exec [INFO] finished tweaking git repo https://github.com/Osc-Ort/jupyter_functions_exec [INFO] tweaked toml for git repo https://github.com/Osc-Ort/jupyter_functions_exec written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Osc-Ort/jupyter_functions_exec 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/Osc-Ort/jupyter_functions_exec 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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5 [INFO] running `Command { std: "docker" "start" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5", 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" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5", 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" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.13.3 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling libc v0.2.178 [INFO] [stderr] Compiling zmij v1.0.14 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Checking unindent v0.2.4 [INFO] [stderr] Checking itoa v1.0.17 [INFO] [stderr] Compiling indoc v2.0.7 [INFO] [stderr] Compiling pyo3-build-config v0.27.2 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Compiling pyo3-ffi v0.27.2 [INFO] [stderr] Compiling pyo3-macros-backend v0.27.2 [INFO] [stderr] Compiling pyo3 v0.27.2 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Compiling pyo3-macros v0.27.2 [INFO] [stderr] Checking jupyter_functions_exec v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] error: useless conversion to the same type: `PyErr` [INFO] [stdout] --> src/lib.rs:125:10 [INFO] [stdout] | [INFO] [stdout] 125 | ) -> PyResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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: `PyErr` [INFO] [stdout] --> src/lib.rs:147:72 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn return_function<'py>(&self, py: Python<'py>, name: &str) -> PyResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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 `jupyter_functions_exec` (lib) due to 2 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/lib.rs:125:10 [INFO] [stdout] | [INFO] [stdout] 125 | ) -> PyResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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: `PyErr` [INFO] [stdout] --> src/lib.rs:147:72 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn return_function<'py>(&self, py: Python<'py>, name: &str) -> PyResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into 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 `jupyter_functions_exec` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5", kill_on_drop: false }` [INFO] [stdout] 4aa39ce682c07615645440631f50529b74456b506cf591b5920fee6b93f86fc5