[INFO] fetching crate ngnk 0.2.3...
[INFO] testing ngnk-0.2.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate ngnk 0.2.3 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ngnk 0.2.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ddac98e279584284b0449b0ee47e51d3e5c440bc62421c0196e698a4dd732bc
[INFO] running `Command { std: "docker" "start" "-a" "4ddac98e279584284b0449b0ee47e51d3e5c440bc62421c0196e698a4dd732bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ddac98e279584284b0449b0ee47e51d3e5c440bc62421c0196e698a4dd732bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddac98e279584284b0449b0ee47e51d3e5c440bc62421c0196e698a4dd732bc", kill_on_drop: false }`
[INFO] [stdout] 4ddac98e279584284b0449b0ee47e51d3e5c440bc62421c0196e698a4dd732bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1f426d9917115435f817c0efe84a640bf761595c0bcc377a7ba9bdb838f8444
[INFO] running `Command { std: "docker" "start" "-a" "e1f426d9917115435f817c0efe84a640bf761595c0bcc377a7ba9bdb838f8444", 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<i8>` 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<i8>` 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<i8>` 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<i8>` 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<i8>` inside the function will not suffice
[INFO] [stdout]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[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 2.71s
[INFO] running `Command { std: "docker" "inspect" "e1f426d9917115435f817c0efe84a640bf761595c0bcc377a7ba9bdb838f8444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f426d9917115435f817c0efe84a640bf761595c0bcc377a7ba9bdb838f8444", kill_on_drop: false }`
[INFO] [stdout] e1f426d9917115435f817c0efe84a640bf761595c0bcc377a7ba9bdb838f8444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 816ba3515dc954bc9e4817bb57e3653d23dac8bdbaed9c2ae21b8fe2667a6f6f
[INFO] running `Command { std: "docker" "start" "-a" "816ba3515dc954bc9e4817bb57e3653d23dac8bdbaed9c2ae21b8fe2667a6f6f", 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<i8>` 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<i8>` 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<i8>` 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<i8>` 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<i8>` inside the function will not suffice
[INFO] [stdout]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[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<i8>` 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<i8>` 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<i8>` 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<i8>` 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<i8>` inside the function will not suffice
[INFO] [stdout]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[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 0.86s
[INFO] running `Command { std: "docker" "inspect" "816ba3515dc954bc9e4817bb57e3653d23dac8bdbaed9c2ae21b8fe2667a6f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816ba3515dc954bc9e4817bb57e3653d23dac8bdbaed9c2ae21b8fe2667a6f6f", kill_on_drop: false }`
[INFO] [stdout] 816ba3515dc954bc9e4817bb57e3653d23dac8bdbaed9c2ae21b8fe2667a6f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 847a6cb9807d34ec453808d569d73a0eeafc0c9180ba96a2f36d714f2bf5a9d3
[INFO] running `Command { std: "docker" "start" "-a" "847a6cb9807d34ec453808d569d73a0eeafc0c9180ba96a2f36d714f2bf5a9d3", kill_on_drop: false }`
[INFO] [stderr] warning: a dangling pointer will be produced because the temporary `Vec<i8>` 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<i8>` 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<i8>` 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<i8>` 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<i8>` inside the function will not suffice
[INFO] [stderr]    = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[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 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ngnk-5c42fcabd3bf10cf)
[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-5c42fcabd3bf10cf` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "847a6cb9807d34ec453808d569d73a0eeafc0c9180ba96a2f36d714f2bf5a9d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847a6cb9807d34ec453808d569d73a0eeafc0c9180ba96a2f36d714f2bf5a9d3", kill_on_drop: false }`
[INFO] [stdout] 847a6cb9807d34ec453808d569d73a0eeafc0c9180ba96a2f36d714f2bf5a9d3
