[INFO] cloning repository https://github.com/xianminx/wrap-ffi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xianminx/wrap-ffi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxianminx%2Fwrap-ffi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxianminx%2Fwrap-ffi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d95a520ed78cce26dc071a610ceb92e70e095f9f
[INFO] checking xianminx/wrap-ffi-rust against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxianminx%2Fwrap-ffi-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xianminx/wrap-ffi-rust on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xianminx/wrap-ffi-rust
[INFO] finished tweaking git repo https://github.com/xianminx/wrap-ffi-rust
[INFO] tweaked toml for git repo https://github.com/xianminx/wrap-ffi-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xianminx/wrap-ffi-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bee359b68c72c6ddb950be11b1b78420e6b7177a8d3fd9a76ef73010ba706dd6
[INFO] running `Command { std: "docker" "start" "-a" "bee359b68c72c6ddb950be11b1b78420e6b7177a8d3fd9a76ef73010ba706dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee359b68c72c6ddb950be11b1b78420e6b7177a8d3fd9a76ef73010ba706dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee359b68c72c6ddb950be11b1b78420e6b7177a8d3fd9a76ef73010ba706dd6", kill_on_drop: false }`
[INFO] [stdout] bee359b68c72c6ddb950be11b1b78420e6b7177a8d3fd9a76ef73010ba706dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21291a889edc91bf97b2a86a60d36cfff0ddd105b43482d0df5a6ab895dd3d64
[INFO] running `Command { std: "docker" "start" "-a" "21291a889edc91bf97b2a86a60d36cfff0ddd105b43482d0df5a6ab895dd3d64", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling wrap-ffi-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `ptr_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `foo` should have an upper camel case name
[INFO] [stdout]  --> src/ffi.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type foo = *mut c_void;
[INFO] [stdout]   |          ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Foo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/foo.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut foo: ffi::foo = mem::uninitialized();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `foo` should have an upper camel case name
[INFO] [stdout]  --> src/ffi.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type foo = *mut c_void;
[INFO] [stdout]   |          ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Foo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut c_void` does not permit being left uninitialized
[INFO] [stdout]   --> src/foo.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut foo: ffi::foo = mem::uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this code causes undefined behavior when executed
[INFO] [stdout]    |                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: raw pointers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/foo.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut foo: ffi::foo = mem::uninitialized();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `*mut c_void` does not permit being left uninitialized
[INFO] [stdout]   --> src/foo.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut foo: ffi::foo = mem::uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               this code causes undefined behavior when executed
[INFO] [stdout]    |                               help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: raw pointers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "21291a889edc91bf97b2a86a60d36cfff0ddd105b43482d0df5a6ab895dd3d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21291a889edc91bf97b2a86a60d36cfff0ddd105b43482d0df5a6ab895dd3d64", kill_on_drop: false }`
[INFO] [stdout] 21291a889edc91bf97b2a86a60d36cfff0ddd105b43482d0df5a6ab895dd3d64