[INFO] fetching crate ngnk 0.2.3... [INFO] testing ngnk-0.2.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate ngnk 0.2.3 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate ngnk 0.2.3 [INFO] finished tweaking crates.io crate ngnk 0.2.3 [INFO] tweaked toml for crates.io crate ngnk 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ngnk 0.2.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.65.1 (available: v0.72.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f3d362d8f1959328c1e01095a6242fe5a1ecbf89e2f77b0149f1cdf7a002bb5 [INFO] running `Command { std: "docker" "start" "-a" "8f3d362d8f1959328c1e01095a6242fe5a1ecbf89e2f77b0149f1cdf7a002bb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f3d362d8f1959328c1e01095a6242fe5a1ecbf89e2f77b0149f1cdf7a002bb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f3d362d8f1959328c1e01095a6242fe5a1ecbf89e2f77b0149f1cdf7a002bb5", kill_on_drop: false }` [INFO] [stdout] 8f3d362d8f1959328c1e01095a6242fe5a1ecbf89e2f77b0149f1cdf7a002bb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a2d30cec9408ffa4a28354be267cf2b68415c3bd86c18212ca12ca4c9fb1f41 [INFO] running `Command { std: "docker" "start" "-a" "0a2d30cec9408ffa4a28354be267cf2b68415c3bd86c18212ca12ca4c9fb1f41", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling unicode-ident v1.0.24 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Compiling libc v0.2.185 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling bitflags v2.11.1 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling memchr v2.8.0 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling bindgen v0.65.1 [INFO] [stderr] Compiling home v0.5.12 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling ngnk v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec` is dropped at end of statement [INFO] [stdout] --> src/lib.rs:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | unsafe{ let b:*mut i8=vec![].as_mut_ptr();raw::CK(b,a); [INFO] [stdout] | ------ ^^^^^^^^^^ pointer created here [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is dropped at end of statement [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` to a variable such that it outlives the pointer returned by `as_mut_ptr` [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: returning a pointer to a local variable will always result in a dangling pointer [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.96s [INFO] running `Command { std: "docker" "inspect" "0a2d30cec9408ffa4a28354be267cf2b68415c3bd86c18212ca12ca4c9fb1f41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a2d30cec9408ffa4a28354be267cf2b68415c3bd86c18212ca12ca4c9fb1f41", kill_on_drop: false }` [INFO] [stdout] 0a2d30cec9408ffa4a28354be267cf2b68415c3bd86c18212ca12ca4c9fb1f41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84f0054caaa93a402bf4629f892710ed5bd88154cdc57897f4ad2a3fe27ddf2e [INFO] running `Command { std: "docker" "start" "-a" "84f0054caaa93a402bf4629f892710ed5bd88154cdc57897f4ad2a3fe27ddf2e", kill_on_drop: false }` [INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec` is dropped at end of statement [INFO] [stdout] --> src/lib.rs:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | unsafe{ let b:*mut i8=vec![].as_mut_ptr();raw::CK(b,a); [INFO] [stdout] | ------ ^^^^^^^^^^ pointer created here [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is dropped at end of statement [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` to a variable such that it outlives the pointer returned by `as_mut_ptr` [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: returning a pointer to a local variable will always result in a dangling pointer [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ngnk v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec` is dropped at end of statement [INFO] [stdout] --> src/lib.rs:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | unsafe{ let b:*mut i8=vec![].as_mut_ptr();raw::CK(b,a); [INFO] [stdout] | ------ ^^^^^^^^^^ pointer created here [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is dropped at end of statement [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` to a variable such that it outlives the pointer returned by `as_mut_ptr` [INFO] [stdout] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stdout] = note: returning a pointer to a local variable will always result in a dangling pointer [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "84f0054caaa93a402bf4629f892710ed5bd88154cdc57897f4ad2a3fe27ddf2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84f0054caaa93a402bf4629f892710ed5bd88154cdc57897f4ad2a3fe27ddf2e", kill_on_drop: false }` [INFO] [stdout] 84f0054caaa93a402bf4629f892710ed5bd88154cdc57897f4ad2a3fe27ddf2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6a321c267502e3fc04a11633d08ed5d3d958a5b3f4f5106f833b0ecc395921b8 [INFO] running `Command { std: "docker" "start" "-a" "6a321c267502e3fc04a11633d08ed5d3d958a5b3f4f5106f833b0ecc395921b8", kill_on_drop: false }` [INFO] [stderr] warning: this creates a dangling pointer because temporary `Vec` is dropped at end of statement [INFO] [stderr] --> src/lib.rs:32:34 [INFO] [stderr] | [INFO] [stderr] 32 | unsafe{ let b:*mut i8=vec![].as_mut_ptr();raw::CK(b,a); [INFO] [stderr] | ------ ^^^^^^^^^^ pointer created here [INFO] [stderr] | | [INFO] [stderr] | this `Vec` is dropped at end of statement [INFO] [stderr] | [INFO] [stderr] = help: bind the `Vec` to a variable such that it outlives the pointer returned by `as_mut_ptr` [INFO] [stderr] = note: a dangling pointer is safe, but dereferencing one is undefined behavior [INFO] [stderr] = note: returning a pointer to a local variable will always result in a dangling pointer [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `ngnk` (lib) generated 1 warning [INFO] [stderr] warning: `ngnk` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ngnk-271034cae4f92cbf) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test raw::bindgen_test_layout_max_align_t ... ok [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/ngnk-271034cae4f92cbf` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "6a321c267502e3fc04a11633d08ed5d3d958a5b3f4f5106f833b0ecc395921b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a321c267502e3fc04a11633d08ed5d3d958a5b3f4f5106f833b0ecc395921b8", kill_on_drop: false }` [INFO] [stdout] 6a321c267502e3fc04a11633d08ed5d3d958a5b3f4f5106f833b0ecc395921b8