[INFO] fetching crate emacs_module_bindings 0.7.0...
[INFO] testing emacs_module_bindings-0.7.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate emacs_module_bindings 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate emacs_module_bindings 0.7.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emacs_module_bindings 0.7.0
[INFO] finished tweaking crates.io crate emacs_module_bindings 0.7.0
[INFO] tweaked toml for crates.io crate emacs_module_bindings 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded bindgen v0.32.3
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded which v1.0.5
[INFO] [stderr]   Downloaded clang-sys v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f48f79d4f4b43d7bc9737c22bbba59d47337a8978e131e31cffd03f4f3ea8d8f
[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" "f48f79d4f4b43d7bc9737c22bbba59d47337a8978e131e31cffd03f4f3ea8d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f48f79d4f4b43d7bc9737c22bbba59d47337a8978e131e31cffd03f4f3ea8d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48f79d4f4b43d7bc9737c22bbba59d47337a8978e131e31cffd03f4f3ea8d8f", kill_on_drop: false }`
[INFO] [stdout] f48f79d4f4b43d7bc9737c22bbba59d47337a8978e131e31cffd03f4f3ea8d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e03dc9e7f27a136d95a9282479b70fc1b54830c85f5bc8762e95ca30dfc1c65
[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" "6e03dc9e7f27a136d95a9282479b70fc1b54830c85f5bc8762e95ca30dfc1c65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bindgen v0.32.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling emacs_module_bindings v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 |         intern(env, 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: `#[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/lib.rs:29:42
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let doc = CString::new(doc).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/lib.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let c_string = CString::new(string).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/lib.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |         intern(env, 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/lib.rs:80:53
[INFO] [stdout]    |
[INFO] [stdout] 80 |         intern (env, CString::new(feature).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: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub extern "C" fn find_function(env: *mut EmacsEnv, name: &str) -> EmacsVal {
[INFO] [stdout]    |                                                           ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 | ...                   doc: &str,
[INFO] [stdout]    |                            ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:56:59
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub extern "C" fn intern_symbol(env: *mut EmacsEnv, name: String) -> EmacsVal {
[INFO] [stdout]    |                                                           ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   name: String,
[INFO] [stdout]    |                             ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub extern "C" fn provide(env: *mut EmacsEnv, feature: String) {
[INFO] [stdout]    |                                                        ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:92:58
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub extern "C" fn get_buffer(env: *mut EmacsEnv, buffer: String) -> EmacsVal {
[INFO] [stdout]    |                                                          ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:102:53
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stdout]     |                                                     ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `*const u8` and a length instead
[INFO] [stdout]     = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[*mut emacs_value_tag]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:102:65
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "6e03dc9e7f27a136d95a9282479b70fc1b54830c85f5bc8762e95ca30dfc1c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e03dc9e7f27a136d95a9282479b70fc1b54830c85f5bc8762e95ca30dfc1c65", kill_on_drop: false }`
[INFO] [stdout] 6e03dc9e7f27a136d95a9282479b70fc1b54830c85f5bc8762e95ca30dfc1c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efdc84d07fe9bb971d55343945454d2f776d7461f3f72ce1cf9839c7cfbafb97
[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" "efdc84d07fe9bb971d55343945454d2f776d7461f3f72ce1cf9839c7cfbafb97", kill_on_drop: false }`
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 |         intern(env, 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: `#[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/lib.rs:29:42
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let doc = CString::new(doc).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/lib.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let c_string = CString::new(string).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/lib.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |         intern(env, 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/lib.rs:80:53
[INFO] [stdout]    |
[INFO] [stdout] 80 |         intern (env, CString::new(feature).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: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub extern "C" fn find_function(env: *mut EmacsEnv, name: &str) -> EmacsVal {
[INFO] [stdout]    |                                                           ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 | ...                   doc: &str,
[INFO] [stdout]    |                            ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:56:59
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub extern "C" fn intern_symbol(env: *mut EmacsEnv, name: String) -> EmacsVal {
[INFO] [stdout]    |                                                           ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   name: String,
[INFO] [stdout]    |                             ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub extern "C" fn provide(env: *mut EmacsEnv, feature: String) {
[INFO] [stdout]    |                                                        ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:92:58
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub extern "C" fn get_buffer(env: *mut EmacsEnv, buffer: String) -> EmacsVal {
[INFO] [stdout]    |                                                          ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:102:53
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stdout]     |                                                     ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `*const u8` and a length instead
[INFO] [stdout]     = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[*mut emacs_value_tag]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:102:65
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling emacs_module_bindings v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:18:49
[INFO] [stdout]    |
[INFO] [stdout] 18 |         intern(env, 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: `#[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/lib.rs:29:42
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let doc = CString::new(doc).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/lib.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let c_string = CString::new(string).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/lib.rs:59:49
[INFO] [stdout]    |
[INFO] [stdout] 59 |         intern(env, 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/lib.rs:80:53
[INFO] [stdout]    |
[INFO] [stdout] 80 |         intern (env, CString::new(feature).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: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub extern "C" fn find_function(env: *mut EmacsEnv, name: &str) -> EmacsVal {
[INFO] [stdout]    |                                                           ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 | ...                   doc: &str,
[INFO] [stdout]    |                            ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:56:59
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub extern "C" fn intern_symbol(env: *mut EmacsEnv, name: String) -> EmacsVal {
[INFO] [stdout]    |                                                           ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 | ...                   name: String,
[INFO] [stdout]    |                             ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub extern "C" fn provide(env: *mut EmacsEnv, feature: String) {
[INFO] [stdout]    |                                                        ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:92:58
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub extern "C" fn get_buffer(env: *mut EmacsEnv, buffer: String) -> EmacsVal {
[INFO] [stdout]    |                                                          ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:102:53
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stdout]     |                                                     ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using `*const u8` and a length instead
[INFO] [stdout]     = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[*mut emacs_value_tag]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:102:65
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "efdc84d07fe9bb971d55343945454d2f776d7461f3f72ce1cf9839c7cfbafb97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efdc84d07fe9bb971d55343945454d2f776d7461f3f72ce1cf9839c7cfbafb97", kill_on_drop: false }`
[INFO] [stdout] efdc84d07fe9bb971d55343945454d2f776d7461f3f72ce1cf9839c7cfbafb97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a1b643176e74d3ca95882788bf75d30760f3d7436f75cca210aa72476725fff
[INFO] running `Command { std: "docker" "start" "-a" "5a1b643176e74d3ca95882788bf75d30760f3d7436f75cca210aa72476725fff", kill_on_drop: false }`
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:18:49
[INFO] [stderr]    |
[INFO] [stderr] 18 |         intern(env, CString::new(name).unwrap().as_ptr())
[INFO] [stderr]    |                     --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]    = 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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:29:42
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let doc = CString::new(doc).unwrap().as_ptr();
[INFO] [stderr]    |               -------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |               |
[INFO] [stderr]    |               this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:39:50
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let c_string = CString::new(string).unwrap().as_ptr();
[INFO] [stderr]    |                    ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:59:49
[INFO] [stderr]    |
[INFO] [stderr] 59 |         intern(env, CString::new(name).unwrap().as_ptr())
[INFO] [stderr]    |                     --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:80:53
[INFO] [stderr]    |
[INFO] [stderr] 80 |         intern (env, CString::new(feature).unwrap().as_ptr())
[INFO] [stderr]    |                      ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:15:59
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub extern "C" fn find_function(env: *mut EmacsEnv, name: &str) -> EmacsVal {
[INFO] [stderr]    |                                                           ^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]    = help: consider using `*const u8` and a length instead
[INFO] [stderr]    = note: string slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 | ...                   doc: &str,
[INFO] [stderr]    |                            ^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `*const u8` and a length instead
[INFO] [stderr]    = note: string slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:56:59
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub extern "C" fn intern_symbol(env: *mut EmacsEnv, name: String) -> EmacsVal {
[INFO] [stderr]    |                                                           ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 | ...                   name: String,
[INFO] [stderr]    |                             ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:77:56
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub extern "C" fn provide(env: *mut EmacsEnv, feature: String) {
[INFO] [stderr]    |                                                        ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:92:58
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub extern "C" fn get_buffer(env: *mut EmacsEnv, buffer: String) -> EmacsVal {
[INFO] [stderr]    |                                                          ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:102:53
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stderr]     |                                                     ^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using `*const u8` and a length instead
[INFO] [stderr]     = note: string slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[*mut emacs_value_tag]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:102:65
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:18:49
[INFO] [stderr]    |
[INFO] [stderr] 18 |         intern(env, CString::new(name).unwrap().as_ptr())
[INFO] [stderr]    |                     --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stderr]    = 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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:29:42
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let doc = CString::new(doc).unwrap().as_ptr();
[INFO] [stderr]    |               -------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |               |
[INFO] [stderr]    |               this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:39:50
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let c_string = CString::new(string).unwrap().as_ptr();
[INFO] [stderr]    |                    ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:59:49
[INFO] [stderr]    |
[INFO] [stderr] 59 |         intern(env, CString::new(name).unwrap().as_ptr())
[INFO] [stderr]    |                     --------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: getting the inner pointer of a temporary `CString`
[INFO] [stderr]   --> src/lib.rs:80:53
[INFO] [stderr]    |
[INFO] [stderr] 80 |         intern (env, CString::new(feature).unwrap().as_ptr())
[INFO] [stderr]    |                      ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this `CString` 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_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] [stderr]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:15:59
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub extern "C" fn find_function(env: *mut EmacsEnv, name: &str) -> EmacsVal {
[INFO] [stderr]    |                                                           ^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]    = help: consider using `*const u8` and a length instead
[INFO] [stderr]    = note: string slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 | ...                   doc: &str,
[INFO] [stderr]    |                            ^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `*const u8` and a length instead
[INFO] [stderr]    = note: string slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:56:59
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub extern "C" fn intern_symbol(env: *mut EmacsEnv, name: String) -> EmacsVal {
[INFO] [stderr]    |                                                           ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 | ...                   name: String,
[INFO] [stderr]    |                             ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:77:56
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub extern "C" fn provide(env: *mut EmacsEnv, feature: String) {
[INFO] [stderr]    |                                                        ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `String`, which is not FFI-safe
[INFO] [stderr]   --> src/lib.rs:92:58
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub extern "C" fn get_buffer(env: *mut EmacsEnv, buffer: String) -> EmacsVal {
[INFO] [stderr]    |                                                          ^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:102:53
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stderr]     |                                                     ^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using `*const u8` and a length instead
[INFO] [stderr]     = note: string slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[*mut emacs_value_tag]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:102:65
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub extern "C" fn call(env: *mut EmacsEnv, fn_name: &str, args: &mut [EmacsVal])
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/emacs_module_bindings-15ea5e2f751a53bf
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test emacs_gen::bindgen_test_layout_emacs_runtime ... ok
[INFO] [stdout] test emacs_gen::bindgen_test_layout___fsid_t ... ok
[INFO] [stdout] test emacs_gen::bindgen_test_layout_emacs_env_25 ... ok
[INFO] [stdout] test emacs_gen::bindgen_test_layout_max_align_t ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- emacs_gen::bindgen_test_layout_max_align_t stdout ----
[INFO] [stdout] thread 'emacs_gen::bindgen_test_layout_max_align_t' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `24`,
[INFO] [stdout]  right: `32`: Size of: max_align_t', /opt/rustwide/target/debug/build/emacs_module_bindings-13af7f10c2f97bb6/out/emacs_module.rs:3:11421
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564646333e07 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x564646333e07 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564646333e07 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564646333e07 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc33f3ac4cc9c4196
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x564646353e1c - core::fmt::write::hfdcdeb08fb2b3afa
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x564646330282 - std::io::Write::write_fmt::h28c53dc51251a293
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x5646463360b5 - std::sys_common::backtrace::_print::hf179508b01f66878
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5646463360b5 - std::sys_common::backtrace::print::ha97d11adb39266a6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5646463360b5 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x564646335c42 - std::panicking::default_hook::hbc0ee792993c2ef2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x564646336851 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x564646336397 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x5646463342cc - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5646463362f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x5646463527d1 - core::panicking::panic_fmt::hf6d8a92b065b8f97
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5646462cf5ca - emacs_module_bindings::emacs_gen::bindgen_test_layout_max_align_t::h903bc14e4f845f78
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/emacs_module_bindings-13af7f10c2f97bb6/out/emacs_module.rs:3:11421
[INFO] [stdout]   16:     0x5646462cf3fa - emacs_module_bindings::emacs_gen::bindgen_test_layout_max_align_t::{{closure}}::h1803a6bd1283b99b
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/emacs_module_bindings-13af7f10c2f97bb6/out/emacs_module.rs:3:11380
[INFO] [stdout]   17:     0x5646462d3f7e - core::ops::function::FnOnce::call_once::h6f62771d6f04dc2b
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x5646462fe353 - core::ops::function::FnOnce::call_once::ha61d5393ae51ae22
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x5646462fe353 - test::__rust_begin_short_backtrace::h4a8691b5281c1f3b
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:516:5
[INFO] [stdout]   20:     0x5646462fcc46 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd25ba61494055ad3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   21:     0x5646462fcc46 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h052fde7b846767ba
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   22:     0x5646462fcc46 - std::panicking::try::do_call::h04571a1da6838ba1
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   23:     0x5646462fcc46 - std::panicking::try::h758f090614125cbe
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   24:     0x5646462fcc46 - std::panic::catch_unwind::h0c48513d5a021d3c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   25:     0x5646462fcc46 - test::run_test_in_process::hee75babaaac3822f
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:538:18
[INFO] [stdout]   26:     0x5646462fcc46 - test::run_test::run_test_inner::{{closure}}::h2920dea75d7f0c1e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:449:39
[INFO] [stdout]   27:     0x5646462d4f56 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha23dff608830db13
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   28:     0x5646462d9ced - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hacce322dead3a799
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   29:     0x5646462d9ced - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4f0bc9c26ead0a27
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   30:     0x5646462d9ced - std::panicking::try::do_call::h1b9f282fb0c383b3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   31:     0x5646462d9ced - std::panicking::try::hed1ebed51b133ee4
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   32:     0x5646462d9ced - std::panic::catch_unwind::h072a2b19fd39a474
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   33:     0x5646462d9ced - std::thread::Builder::spawn_unchecked::{{closure}}::hb02c6b2d3ff18bc2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   34:     0x5646462d9ced - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb512c5d27b4adb83
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   35:     0x56464633c3aa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdbb9ff71143eaad6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   36:     0x56464633c3aa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9dbde95cefb8368c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   37:     0x56464633c3aa - std::sys::unix::thread::Thread::new::thread_start::hc76032c38affd972
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   38:     0x7f23ae14a609 - start_thread
[INFO] [stdout]   39:     0x7f23adf1c293 - clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     emacs_gen::bindgen_test_layout_max_align_t
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "5a1b643176e74d3ca95882788bf75d30760f3d7436f75cca210aa72476725fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1b643176e74d3ca95882788bf75d30760f3d7436f75cca210aa72476725fff", kill_on_drop: false }`
[INFO] [stdout] 5a1b643176e74d3ca95882788bf75d30760f3d7436f75cca210aa72476725fff