[INFO] cloning repository https://github.com/yggie/embedding-lua-in-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yggie/embedding-lua-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyggie%2Fembedding-lua-in-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyggie%2Fembedding-lua-in-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a60a68ea5c348965e2ee172fe49ec6a357996cc [INFO] checking yggie/embedding-lua-in-Rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyggie%2Fembedding-lua-in-Rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yggie/embedding-lua-in-Rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yggie/embedding-lua-in-Rust [INFO] finished tweaking git repo https://github.com/yggie/embedding-lua-in-Rust [INFO] tweaked toml for git repo https://github.com/yggie/embedding-lua-in-Rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/yggie/embedding-lua-in-Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3e8631645c7b822e9884a9a54d8f1ea0d77d6d896dee1eca903c34e6d4c7c92 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b3e8631645c7b822e9884a9a54d8f1ea0d77d6d896dee1eca903c34e6d4c7c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3e8631645c7b822e9884a9a54d8f1ea0d77d6d896dee1eca903c34e6d4c7c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3e8631645c7b822e9884a9a54d8f1ea0d77d6d896dee1eca903c34e6d4c7c92", kill_on_drop: false }` [INFO] [stdout] b3e8631645c7b822e9884a9a54d8f1ea0d77d6d896dee1eca903c34e6d4c7c92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c257050f70208ef4d5167a0428760dd1b4f7ca48e36546eb346108a59da66df [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4c257050f70208ef4d5167a0428760dd1b4f7ca48e36546eb346108a59da66df", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking embedding-lua-in-Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:67:62 [INFO] [stdout] | [INFO] [stdout] 67 | lua_pushstring(state, CString::new("World").unwrap().as_ptr()); [INFO] [stdout] | ------------------------------ ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:68:60 [INFO] [stdout] | [INFO] [stdout] 68 | lua_setglobal(state, CString::new("name").unwrap().as_ptr()); [INFO] [stdout] | ----------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:70:127 [INFO] [stdout] | [INFO] [stdout] 70 | if let Ok(_) = handle_error(state, luaL_loadstring(state, CString::new("print(\"Hello \" .. name .. \"!\")").unwrap().as_ptr())) { [INFO] [stdout] | ----------------------------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `embedding_lua_in_Rust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `embedding_lua_in_rust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:67:62 [INFO] [stdout] | [INFO] [stdout] 67 | lua_pushstring(state, CString::new("World").unwrap().as_ptr()); [INFO] [stdout] | ------------------------------ ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(temporary_cstring_as_ptr)]` on by default [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:68:60 [INFO] [stdout] | [INFO] [stdout] 68 | lua_setglobal(state, CString::new("name").unwrap().as_ptr()); [INFO] [stdout] | ----------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: getting the inner pointer of a temporary `CString` [INFO] [stdout] --> src/main.rs:70:127 [INFO] [stdout] | [INFO] [stdout] 70 | if let Ok(_) = handle_error(state, luaL_loadstring(state, CString::new("print(\"Hello \" .. name .. \"!\")").unwrap().as_ptr())) { [INFO] [stdout] | ----------------------------------------------------------- ^^^^^^ this pointer will be invalid [INFO] [stdout] | | [INFO] [stdout] | this `CString` 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_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `embedding_lua_in_Rust` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `embedding_lua_in_rust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:16:27 [INFO] [stdout] | [INFO] [stdout] 16 | fn luaL_newstate() -> LuaState; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:18:29 [INFO] [stdout] | [INFO] [stdout] 18 | fn luaL_openlibs(state: LuaState); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:19:31 [INFO] [stdout] | [INFO] [stdout] 19 | fn luaL_loadstring(state: LuaState, string: *const c_char) -> c_int; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | fn lua_close(state: LuaState); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:22:29 [INFO] [stdout] | [INFO] [stdout] 22 | fn lua_setglobal(state: LuaState, name: *const c_char); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:24:30 [INFO] [stdout] | [INFO] [stdout] 24 | fn lua_pushstring(state: LuaState, string: *const c_char) -> *const c_char; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn lua_tolstring(state: LuaState, stack_index: c_int, string_length: *const size_t) -> *const c_char; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:27:26 [INFO] [stdout] | [INFO] [stdout] 27 | fn lua_pcallk(state: LuaState, num_args: c_int, num_results: c_int, msg_handler: c_int, context: c_int, k: c_int) -> c_int; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:28:26 [INFO] [stdout] | [INFO] [stdout] 28 | fn lua_settop(state: LuaState, stack_index: c_int); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:16:27 [INFO] [stdout] | [INFO] [stdout] 16 | fn luaL_newstate() -> LuaState; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:18:29 [INFO] [stdout] | [INFO] [stdout] 18 | fn luaL_openlibs(state: LuaState); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:19:31 [INFO] [stdout] | [INFO] [stdout] 19 | fn luaL_loadstring(state: LuaState, string: *const c_char) -> c_int; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | fn lua_close(state: LuaState); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:22:29 [INFO] [stdout] | [INFO] [stdout] 22 | fn lua_setglobal(state: LuaState, name: *const c_char); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:24:30 [INFO] [stdout] | [INFO] [stdout] 24 | fn lua_pushstring(state: LuaState, string: *const c_char) -> *const c_char; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn lua_tolstring(state: LuaState, stack_index: c_int, string_length: *const size_t) -> *const c_char; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:27:26 [INFO] [stdout] | [INFO] [stdout] 27 | fn lua_pcallk(state: LuaState, num_args: c_int, num_results: c_int, msg_handler: c_int, context: c_int, k: c_int) -> c_int; [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `lua_State`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:28:26 [INFO] [stdout] | [INFO] [stdout] 28 | fn lua_settop(state: LuaState, stack_index: c_int); [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | struct lua_State; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.86s [INFO] running `Command { std: "docker" "inspect" "4c257050f70208ef4d5167a0428760dd1b4f7ca48e36546eb346108a59da66df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c257050f70208ef4d5167a0428760dd1b4f7ca48e36546eb346108a59da66df", kill_on_drop: false }` [INFO] [stdout] 4c257050f70208ef4d5167a0428760dd1b4f7ca48e36546eb346108a59da66df