[INFO] fetching crate ngnk 0.2.3... [INFO] testing ngnk-0.2.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate ngnk 0.2.3 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ngnk 0.2.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] acdf292bf8438f4f09c017da77490fd4a25bf6c56ededc5700107e731a9c4b42 [INFO] running `Command { std: "docker" "start" "-a" "acdf292bf8438f4f09c017da77490fd4a25bf6c56ededc5700107e731a9c4b42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acdf292bf8438f4f09c017da77490fd4a25bf6c56ededc5700107e731a9c4b42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acdf292bf8438f4f09c017da77490fd4a25bf6c56ededc5700107e731a9c4b42", kill_on_drop: false }` [INFO] [stdout] acdf292bf8438f4f09c017da77490fd4a25bf6c56ededc5700107e731a9c4b42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 244f2a04ecd39e5d49012b45d738957c7b1e891a048aeb6cf409bb2793ba1172 [INFO] running `Command { std: "docker" "start" "-a" "244f2a04ecd39e5d49012b45d738957c7b1e891a048aeb6cf409bb2793ba1172", kill_on_drop: false }` [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling bindgen v0.65.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Compiling ngnk v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [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] | ------ ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stdout] = help: 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 12.04s [INFO] running `Command { std: "docker" "inspect" "244f2a04ecd39e5d49012b45d738957c7b1e891a048aeb6cf409bb2793ba1172", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "244f2a04ecd39e5d49012b45d738957c7b1e891a048aeb6cf409bb2793ba1172", kill_on_drop: false }` [INFO] [stdout] 244f2a04ecd39e5d49012b45d738957c7b1e891a048aeb6cf409bb2793ba1172 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2150c12dae637772b54c384d86a00f40d63cc0bebee946fbcff252be4df68081 [INFO] running `Command { std: "docker" "start" "-a" "2150c12dae637772b54c384d86a00f40d63cc0bebee946fbcff252be4df68081", kill_on_drop: false }` [INFO] [stderr] Compiling ngnk v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [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] | ------ ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [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] | ------ ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stdout] = help: 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 0.54s [INFO] running `Command { std: "docker" "inspect" "2150c12dae637772b54c384d86a00f40d63cc0bebee946fbcff252be4df68081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2150c12dae637772b54c384d86a00f40d63cc0bebee946fbcff252be4df68081", kill_on_drop: false }` [INFO] [stdout] 2150c12dae637772b54c384d86a00f40d63cc0bebee946fbcff252be4df68081 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4ada742604c6fd8f7952ca59bf3e19e95e97199663f86bccc2d490549d739720 [INFO] running `Command { std: "docker" "start" "-a" "4ada742604c6fd8f7952ca59bf3e19e95e97199663f86bccc2d490549d739720", kill_on_drop: false }` [INFO] [stderr] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [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] | ------ ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stderr] | | [INFO] [stderr] | this `Vec` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stderr] | [INFO] [stderr] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `Vec` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stderr] = help: you must make sure that the variable you bind the `Vec` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stderr] = help: in particular, if this pointer is returned from the current function, binding the `Vec` inside the function will not suffice [INFO] [stderr] = help: 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 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ngnk-c00c13758fc01d33) [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-c00c13758fc01d33` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "4ada742604c6fd8f7952ca59bf3e19e95e97199663f86bccc2d490549d739720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ada742604c6fd8f7952ca59bf3e19e95e97199663f86bccc2d490549d739720", kill_on_drop: false }` [INFO] [stdout] 4ada742604c6fd8f7952ca59bf3e19e95e97199663f86bccc2d490549d739720