[INFO] fetching crate dlpackrs 0.2.0... [INFO] checking dlpackrs-0.2.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate dlpackrs 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate dlpackrs 0.2.0 [INFO] finished tweaking crates.io crate dlpackrs 0.2.0 [INFO] tweaked toml for crates.io crate dlpackrs 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dlpackrs 0.2.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 68 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.18) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enumn v0.1.14 [INFO] [stderr] Downloaded bindgen v0.60.1 [INFO] [stderr] Downloaded dlpack-sys v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 879ea0fbf5058cf517ea8f140cc6033795db38878c20fd7cea73e769a4afea0f [INFO] running `Command { std: "docker" "start" "-a" "879ea0fbf5058cf517ea8f140cc6033795db38878c20fd7cea73e769a4afea0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "879ea0fbf5058cf517ea8f140cc6033795db38878c20fd7cea73e769a4afea0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "879ea0fbf5058cf517ea8f140cc6033795db38878c20fd7cea73e769a4afea0f", kill_on_drop: false }` [INFO] [stdout] 879ea0fbf5058cf517ea8f140cc6033795db38878c20fd7cea73e769a4afea0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffd475fb2cc7e173e87a4287075c4ff8cd82d98f20850e059e1fa313fe53a700 [INFO] running `Command { std: "docker" "start" "-a" "ffd475fb2cc7e173e87a4287075c4ff8cd82d98f20850e059e1fa313fe53a700", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.183 [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling os_str_bytes v6.6.1 [INFO] [stderr] Compiling humantime v2.3.0 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling textwrap v0.16.2 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling pin-project-internal v1.1.11 [INFO] [stderr] Compiling enumn v0.1.14 [INFO] [stderr] Checking pin-project v1.1.11 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling dlpack-sys v0.1.1 [INFO] [stderr] Checking dlpackrs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method returns a dangling pointer to dropped local variable `ret` [INFO] [stdout] --> src/tensor.rs:335:9 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn into_raw(self) -> *const DLManagedTensor { [INFO] [stdout] | ---------------------- return type is `*const dlpack_sys::DLManagedTensor` [INFO] [stdout] 334 | let ret: DLManagedTensor = self.inner.into(); [INFO] [stdout] | --- local variable `ret` is dropped at the end of the method [INFO] [stdout] 335 | &ret as *const _ [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | dangling pointer created here [INFO] [stdout] | [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_locals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method returns a dangling pointer to dropped local variable `ret` [INFO] [stdout] --> src/tensor.rs:335:9 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn into_raw(self) -> *const DLManagedTensor { [INFO] [stdout] | ---------------------- return type is `*const dlpack_sys::DLManagedTensor` [INFO] [stdout] 334 | let ret: DLManagedTensor = self.inner.into(); [INFO] [stdout] | --- local variable `ret` is dropped at the end of the method [INFO] [stdout] 335 | &ret as *const _ [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | dangling pointer created here [INFO] [stdout] | [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_locals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.84s [INFO] running `Command { std: "docker" "inspect" "ffd475fb2cc7e173e87a4287075c4ff8cd82d98f20850e059e1fa313fe53a700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffd475fb2cc7e173e87a4287075c4ff8cd82d98f20850e059e1fa313fe53a700", kill_on_drop: false }` [INFO] [stdout] ffd475fb2cc7e173e87a4287075c4ff8cd82d98f20850e059e1fa313fe53a700