[INFO] fetching crate ngnk 0.2.3... [INFO] testing ngnk-0.2.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [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 b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 244b776482eb0c961f368fc86c2099710eae0c667ba676e1b09397db6846f4b7 [INFO] running `Command { std: "docker" "start" "-a" "244b776482eb0c961f368fc86c2099710eae0c667ba676e1b09397db6846f4b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "244b776482eb0c961f368fc86c2099710eae0c667ba676e1b09397db6846f4b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "244b776482eb0c961f368fc86c2099710eae0c667ba676e1b09397db6846f4b7", kill_on_drop: false }` [INFO] [stdout] 244b776482eb0c961f368fc86c2099710eae0c667ba676e1b09397db6846f4b7 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 008bd4d65a128756373cff0351f0cff0423ff0f9c2d088da5688a00b1a0d6da1 [INFO] running `Command { std: "docker" "start" "-a" "008bd4d65a128756373cff0351f0cff0423ff0f9c2d088da5688a00b1a0d6da1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling bindgen v0.65.1 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Compiling regex v1.11.3 [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 18.99s [INFO] running `Command { std: "docker" "inspect" "008bd4d65a128756373cff0351f0cff0423ff0f9c2d088da5688a00b1a0d6da1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "008bd4d65a128756373cff0351f0cff0423ff0f9c2d088da5688a00b1a0d6da1", kill_on_drop: false }` [INFO] [stdout] 008bd4d65a128756373cff0351f0cff0423ff0f9c2d088da5688a00b1a0d6da1 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b82cdd4996e26c8c16ff1561243caa6563f66d2a4259048f0cf0b36e4e9a6f4 [INFO] running `Command { std: "docker" "start" "-a" "5b82cdd4996e26c8c16ff1561243caa6563f66d2a4259048f0cf0b36e4e9a6f4", 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 0.57s [INFO] running `Command { std: "docker" "inspect" "5b82cdd4996e26c8c16ff1561243caa6563f66d2a4259048f0cf0b36e4e9a6f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b82cdd4996e26c8c16ff1561243caa6563f66d2a4259048f0cf0b36e4e9a6f4", kill_on_drop: false }` [INFO] [stdout] 5b82cdd4996e26c8c16ff1561243caa6563f66d2a4259048f0cf0b36e4e9a6f4 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 873c3911f2196ee1d43227446b85604242e2f062d7821679369a61bfe8661614 [INFO] running `Command { std: "docker" "start" "-a" "873c3911f2196ee1d43227446b85604242e2f062d7821679369a61bfe8661614", kill_on_drop: false }` [INFO] [stderr] warning: a dangling pointer will be produced because the temporary `Vec` will be dropped [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:32:34 [INFO] [stdout] running 2 tests [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-e3c6d38e5066c34b) [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-e3c6d38e5066c34b` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "873c3911f2196ee1d43227446b85604242e2f062d7821679369a61bfe8661614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "873c3911f2196ee1d43227446b85604242e2f062d7821679369a61bfe8661614", kill_on_drop: false }` [INFO] [stdout] 873c3911f2196ee1d43227446b85604242e2f062d7821679369a61bfe8661614