[INFO] fetching crate ngnk 0.2.3...
[INFO] testing ngnk-0.2.3 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate ngnk 0.2.3 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ngnk 0.2.3 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ab3c783ab8b8de4245a83b2e8e188c2fc9baaef594af2fb90f5a9cc8b96dea5
[INFO] running `Command { std: "docker" "start" "-a" "2ab3c783ab8b8de4245a83b2e8e188c2fc9baaef594af2fb90f5a9cc8b96dea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ab3c783ab8b8de4245a83b2e8e188c2fc9baaef594af2fb90f5a9cc8b96dea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab3c783ab8b8de4245a83b2e8e188c2fc9baaef594af2fb90f5a9cc8b96dea5", kill_on_drop: false }`
[INFO] [stdout] 2ab3c783ab8b8de4245a83b2e8e188c2fc9baaef594af2fb90f5a9cc8b96dea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a2ed7bba513d306e423afca3377adaac9f65832cc4a63835b64fa9acfca682
[INFO] running `Command { std: "docker" "start" "-a" "31a2ed7bba513d306e423afca3377adaac9f65832cc4a63835b64fa9acfca682", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.117
[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<i8>` 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<i8>` is dropped at end of statement
[INFO] [stdout]    |
[INFO] [stdout]    = help: bind the `Vec<i8>` 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 <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 21.49s
[INFO] running `Command { std: "docker" "inspect" "31a2ed7bba513d306e423afca3377adaac9f65832cc4a63835b64fa9acfca682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a2ed7bba513d306e423afca3377adaac9f65832cc4a63835b64fa9acfca682", kill_on_drop: false }`
[INFO] [stdout] 31a2ed7bba513d306e423afca3377adaac9f65832cc4a63835b64fa9acfca682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a67b56523ddf987a3773c1557f537fa52f5c7f06ee9de1edf3445a3cbf58fc00
[INFO] running `Command { std: "docker" "start" "-a" "a67b56523ddf987a3773c1557f537fa52f5c7f06ee9de1edf3445a3cbf58fc00", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngnk v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<i8>` 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<i8>` is dropped at end of statement
[INFO] [stdout]    |
[INFO] [stdout]    = help: bind the `Vec<i8>` 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 <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: this creates a dangling pointer because temporary `Vec<i8>` 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<i8>` is dropped at end of statement
[INFO] [stdout]    |
[INFO] [stdout]    = help: bind the `Vec<i8>` 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 <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 0.52s
[INFO] running `Command { std: "docker" "inspect" "a67b56523ddf987a3773c1557f537fa52f5c7f06ee9de1edf3445a3cbf58fc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67b56523ddf987a3773c1557f537fa52f5c7f06ee9de1edf3445a3cbf58fc00", kill_on_drop: false }`
[INFO] [stdout] a67b56523ddf987a3773c1557f537fa52f5c7f06ee9de1edf3445a3cbf58fc00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc9b14bf863f5d053901a380def501b6edb15fc1023f1a9eadbfb4378d0f3ccb
[INFO] running `Command { std: "docker" "start" "-a" "fc9b14bf863f5d053901a380def501b6edb15fc1023f1a9eadbfb4378d0f3ccb", kill_on_drop: false }`
[INFO] [stderr] warning: this creates a dangling pointer because temporary `Vec<i8>` 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<i8>` is dropped at end of statement
[INFO] [stderr]    |
[INFO] [stderr]    = help: bind the `Vec<i8>` 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 <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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ngnk-b44b751b721391d4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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-b44b751b721391d4` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "fc9b14bf863f5d053901a380def501b6edb15fc1023f1a9eadbfb4378d0f3ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9b14bf863f5d053901a380def501b6edb15fc1023f1a9eadbfb4378d0f3ccb", kill_on_drop: false }`
[INFO] [stdout] fc9b14bf863f5d053901a380def501b6edb15fc1023f1a9eadbfb4378d0f3ccb
