[INFO] fetching crate rure 0.2.2...
[INFO] checking rure-0.2.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rure 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rure 0.2.2
[INFO] finished tweaking crates.io crate rure 0.2.2
[INFO] tweaked toml for crates.io crate rure 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rure 0.2.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a59dde687ede603935a8cbf928d8eb8d908c0b9651aa2834cff7678447e5324
[INFO] running `Command { std: "docker" "start" "-a" "4a59dde687ede603935a8cbf928d8eb8d908c0b9651aa2834cff7678447e5324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a59dde687ede603935a8cbf928d8eb8d908c0b9651aa2834cff7678447e5324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a59dde687ede603935a8cbf928d8eb8d908c0b9651aa2834cff7678447e5324", kill_on_drop: false }`
[INFO] [stdout] 4a59dde687ede603935a8cbf928d8eb8d908c0b9651aa2834cff7678447e5324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df74d1b101aabda7cd398f2a61a1d27a906ade9dcd688a2c4d2e0a976357956
[INFO] running `Command { std: "docker" "start" "-a" "7df74d1b101aabda7cd398f2a61a1d27a906ade9dcd688a2c4d2e0a976357956", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking rure v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / ffi_fn! {
[INFO] [stdout] 50 | |     fn rure_error_new() -> *mut Error {
[INFO] [stdout] 51 | |         Box::into_raw(Box::new(Error::new(ErrorKind::None)))
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / ffi_fn! {
[INFO] [stdout] 56 | |     fn rure_error_free(err: *mut Error) {
[INFO] [stdout] 57 | |         unsafe { drop(Box::from_raw(err)); }
[INFO] [stdout] 58 | |     }
[INFO] [stdout] 59 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | / ffi_fn! {
[INFO] [stdout] 62 | |     fn rure_error_message(err: *mut Error) -> *const c_char {
[INFO] [stdout] 63 | |         let err = unsafe { &mut *err };
[INFO] [stdout] 64 | |         let cmsg = match CString::new(format!("{}", err)) {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/rure.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | / ffi_fn! {
[INFO] [stdout] 78 | |     fn rure_compile_must(pattern: *const c_char) -> *const Regex {
[INFO] [stdout] 79 | |         let len = unsafe { CStr::from_ptr(pattern).to_bytes().len() };
[INFO] [stdout] 80 | |         let pat = pattern as *const u8;
[INFO] [stdout] ...  |
[INFO] [stdout] 92 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:94:1
[INFO] [stdout]     |
[INFO] [stdout]  94 | / ffi_fn! {
[INFO] [stdout]  95 | |     fn rure_compile(
[INFO] [stdout]  96 | |         pattern: *const u8,
[INFO] [stdout]  97 | |         length: size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:152:1
[INFO] [stdout]     |
[INFO] [stdout] 152 | / ffi_fn! {
[INFO] [stdout] 153 | |     fn rure_free(re: *const Regex) {
[INFO] [stdout] 154 | |         unsafe { drop(Box::from_raw(re as *mut Regex)); }
[INFO] [stdout] 155 | |     }
[INFO] [stdout] 156 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | / ffi_fn! {
[INFO] [stdout] 159 | |     fn rure_is_match(
[INFO] [stdout] 160 | |         re: *const Regex,
[INFO] [stdout] 161 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | / ffi_fn! {
[INFO] [stdout] 172 | |     fn rure_find(
[INFO] [stdout] 173 | |         re: *const Regex,
[INFO] [stdout] 174 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:190:1
[INFO] [stdout]     |
[INFO] [stdout] 190 | / ffi_fn! {
[INFO] [stdout] 191 | |     fn rure_find_captures(
[INFO] [stdout] 192 | |         re: *const Regex,
[INFO] [stdout] 193 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:205:1
[INFO] [stdout]     |
[INFO] [stdout] 205 | / ffi_fn! {
[INFO] [stdout] 206 | |     fn rure_shortest_match(
[INFO] [stdout] 207 | |         re: *const Regex,
[INFO] [stdout] 208 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | / ffi_fn! {
[INFO] [stdout] 230 | |     fn rure_capture_name_index(
[INFO] [stdout] 231 | |         re: *const Regex,
[INFO] [stdout] 232 | |         name: *const c_char,
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / ffi_fn! {
[INFO] [stdout] 245 | |     fn rure_iter_capture_names_new(
[INFO] [stdout] 246 | |         re: *const Regex,
[INFO] [stdout] 247 | |     ) -> *mut IterCaptureNames {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:256:1
[INFO] [stdout]     |
[INFO] [stdout] 256 | / ffi_fn! {
[INFO] [stdout] 257 | |     fn rure_iter_capture_names_free(it: *mut IterCaptureNames) {
[INFO] [stdout] 258 | |         unsafe {
[INFO] [stdout] 259 | |             let it = &mut *it;
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:268:1
[INFO] [stdout]     |
[INFO] [stdout] 268 | / ffi_fn! {
[INFO] [stdout] 269 | |     fn rure_iter_capture_names_next(
[INFO] [stdout] 270 | |         it: *mut IterCaptureNames,
[INFO] [stdout] 271 | |         capture_name: *mut *mut c_char,
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:305:1
[INFO] [stdout]     |
[INFO] [stdout] 305 | / ffi_fn! {
[INFO] [stdout] 306 | |     fn rure_iter_new(
[INFO] [stdout] 307 | |         re: *const Regex,
[INFO] [stdout] 308 | |     ) -> *mut Iter {
[INFO] [stdout] ...   |
[INFO] [stdout] 315 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:317:1
[INFO] [stdout]     |
[INFO] [stdout] 317 | / ffi_fn! {
[INFO] [stdout] 318 | |     fn rure_iter_free(it: *mut Iter) {
[INFO] [stdout] 319 | |         unsafe { drop(Box::from_raw(it)); }
[INFO] [stdout] 320 | |     }
[INFO] [stdout] 321 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:323:1
[INFO] [stdout]     |
[INFO] [stdout] 323 | / ffi_fn! {
[INFO] [stdout] 324 | |     fn rure_iter_next(
[INFO] [stdout] 325 | |         it: *mut Iter,
[INFO] [stdout] 326 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:364:1
[INFO] [stdout]     |
[INFO] [stdout] 364 | / ffi_fn! {
[INFO] [stdout] 365 | |     fn rure_iter_next_captures(
[INFO] [stdout] 366 | |         it: *mut Iter,
[INFO] [stdout] 367 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 398 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:400:1
[INFO] [stdout]     |
[INFO] [stdout] 400 | / ffi_fn! {
[INFO] [stdout] 401 | |     fn rure_captures_new(re: *const Regex) -> *mut Captures {
[INFO] [stdout] 402 | |         let re = unsafe { &*re };
[INFO] [stdout] 403 | |         let captures = Captures(re.locations());
[INFO] [stdout] ...   |
[INFO] [stdout] 406 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / ffi_fn! {
[INFO] [stdout] 409 | |     fn rure_captures_free(captures: *const Captures) {
[INFO] [stdout] 410 | |         unsafe { drop(Box::from_raw(captures as *mut Captures)); }
[INFO] [stdout] 411 | |     }
[INFO] [stdout] 412 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:414:1
[INFO] [stdout]     |
[INFO] [stdout] 414 | / ffi_fn! {
[INFO] [stdout] 415 | |     fn rure_captures_at(
[INFO] [stdout] 416 | |         captures: *const Captures,
[INFO] [stdout] 417 | |         i: size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 434 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:436:1
[INFO] [stdout]     |
[INFO] [stdout] 436 | / ffi_fn! {
[INFO] [stdout] 437 | |     fn rure_captures_len(captures: *const Captures) -> size_t {
[INFO] [stdout] 438 | |         unsafe { (*captures).0.len() }
[INFO] [stdout] 439 | |     }
[INFO] [stdout] 440 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:442:1
[INFO] [stdout]     |
[INFO] [stdout] 442 | / ffi_fn! {
[INFO] [stdout] 443 | |     fn rure_options_new() -> *mut Options {
[INFO] [stdout] 444 | |         Box::into_raw(Box::new(Options::default()))
[INFO] [stdout] 445 | |     }
[INFO] [stdout] 446 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:448:1
[INFO] [stdout]     |
[INFO] [stdout] 448 | / ffi_fn! {
[INFO] [stdout] 449 | |     fn rure_options_free(options: *mut Options) {
[INFO] [stdout] 450 | |         unsafe { drop(Box::from_raw(options)); }
[INFO] [stdout] 451 | |     }
[INFO] [stdout] 452 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:454:1
[INFO] [stdout]     |
[INFO] [stdout] 454 | / ffi_fn! {
[INFO] [stdout] 455 | |     fn rure_options_size_limit(options: *mut Options, limit: size_t) {
[INFO] [stdout] 456 | |         let options = unsafe { &mut *options };
[INFO] [stdout] 457 | |         options.size_limit = limit;
[INFO] [stdout] 458 | |     }
[INFO] [stdout] 459 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:461:1
[INFO] [stdout]     |
[INFO] [stdout] 461 | / ffi_fn! {
[INFO] [stdout] 462 | |     fn rure_options_dfa_size_limit(options: *mut Options, limit: size_t) {
[INFO] [stdout] 463 | |         let options = unsafe { &mut *options };
[INFO] [stdout] 464 | |         options.dfa_size_limit = limit;
[INFO] [stdout] 465 | |     }
[INFO] [stdout] 466 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:468:1
[INFO] [stdout]     |
[INFO] [stdout] 468 | / ffi_fn! {
[INFO] [stdout] 469 | |     fn rure_compile_set(
[INFO] [stdout] 470 | |         patterns: *const *const u8,
[INFO] [stdout] 471 | |         patterns_lengths: *const size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 526 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:528:1
[INFO] [stdout]     |
[INFO] [stdout] 528 | / ffi_fn! {
[INFO] [stdout] 529 | |     fn rure_set_free(re: *const RegexSet) {
[INFO] [stdout] 530 | |         unsafe { drop(Box::from_raw(re as *mut RegexSet)); }
[INFO] [stdout] 531 | |     }
[INFO] [stdout] 532 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:534:1
[INFO] [stdout]     |
[INFO] [stdout] 534 | / ffi_fn! {
[INFO] [stdout] 535 | |     fn rure_set_is_match(
[INFO] [stdout] 536 | |         re: *const RegexSet,
[INFO] [stdout] 537 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 545 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:547:1
[INFO] [stdout]     |
[INFO] [stdout] 547 | / ffi_fn! {
[INFO] [stdout] 548 | |     fn rure_set_matches(
[INFO] [stdout] 549 | |         re: *const RegexSet,
[INFO] [stdout] 550 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 567 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:569:1
[INFO] [stdout]     |
[INFO] [stdout] 569 | / ffi_fn! {
[INFO] [stdout] 570 | |     fn rure_set_len(re: *const RegexSet) -> size_t {
[INFO] [stdout] 571 | |         unsafe { (*re).len() }
[INFO] [stdout] 572 | |     }
[INFO] [stdout] 573 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:575:1
[INFO] [stdout]     |
[INFO] [stdout] 575 | / ffi_fn! {
[INFO] [stdout] 576 | |     fn rure_escape_must(pattern: *const c_char) -> *const c_char {
[INFO] [stdout] 577 | |         let len = unsafe { CStr::from_ptr(pattern).to_bytes().len() };
[INFO] [stdout] 578 | |         let pat = pattern as *const u8;
[INFO] [stdout] ...   |
[INFO] [stdout] 589 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:625:1
[INFO] [stdout]     |
[INFO] [stdout] 625 | / ffi_fn! {
[INFO] [stdout] 626 | |     fn rure_cstring_free(s: *mut c_char) {
[INFO] [stdout] 627 | |         unsafe { drop(CString::from_raw(s)); }
[INFO] [stdout] 628 | |     }
[INFO] [stdout] 629 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / ffi_fn! {
[INFO] [stdout] 50 | |     fn rure_error_new() -> *mut Error {
[INFO] [stdout] 51 | |         Box::into_raw(Box::new(Error::new(ErrorKind::None)))
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / ffi_fn! {
[INFO] [stdout] 56 | |     fn rure_error_free(err: *mut Error) {
[INFO] [stdout] 57 | |         unsafe { drop(Box::from_raw(err)); }
[INFO] [stdout] 58 | |     }
[INFO] [stdout] 59 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/error.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | / ffi_fn! {
[INFO] [stdout] 62 | |     fn rure_error_message(err: *mut Error) -> *const c_char {
[INFO] [stdout] 63 | |         let err = unsafe { &mut *err };
[INFO] [stdout] 64 | |         let cmsg = match CString::new(format!("{}", err)) {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/macros.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout]  7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/rure.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | / ffi_fn! {
[INFO] [stdout] 78 | |     fn rure_compile_must(pattern: *const c_char) -> *const Regex {
[INFO] [stdout] 79 | |         let len = unsafe { CStr::from_ptr(pattern).to_bytes().len() };
[INFO] [stdout] 80 | |         let pat = pattern as *const u8;
[INFO] [stdout] ...  |
[INFO] [stdout] 92 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:94:1
[INFO] [stdout]     |
[INFO] [stdout]  94 | / ffi_fn! {
[INFO] [stdout]  95 | |     fn rure_compile(
[INFO] [stdout]  96 | |         pattern: *const u8,
[INFO] [stdout]  97 | |         length: size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:152:1
[INFO] [stdout]     |
[INFO] [stdout] 152 | / ffi_fn! {
[INFO] [stdout] 153 | |     fn rure_free(re: *const Regex) {
[INFO] [stdout] 154 | |         unsafe { drop(Box::from_raw(re as *mut Regex)); }
[INFO] [stdout] 155 | |     }
[INFO] [stdout] 156 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | / ffi_fn! {
[INFO] [stdout] 159 | |     fn rure_is_match(
[INFO] [stdout] 160 | |         re: *const Regex,
[INFO] [stdout] 161 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | / ffi_fn! {
[INFO] [stdout] 172 | |     fn rure_find(
[INFO] [stdout] 173 | |         re: *const Regex,
[INFO] [stdout] 174 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:190:1
[INFO] [stdout]     |
[INFO] [stdout] 190 | / ffi_fn! {
[INFO] [stdout] 191 | |     fn rure_find_captures(
[INFO] [stdout] 192 | |         re: *const Regex,
[INFO] [stdout] 193 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:205:1
[INFO] [stdout]     |
[INFO] [stdout] 205 | / ffi_fn! {
[INFO] [stdout] 206 | |     fn rure_shortest_match(
[INFO] [stdout] 207 | |         re: *const Regex,
[INFO] [stdout] 208 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | / ffi_fn! {
[INFO] [stdout] 230 | |     fn rure_capture_name_index(
[INFO] [stdout] 231 | |         re: *const Regex,
[INFO] [stdout] 232 | |         name: *const c_char,
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / ffi_fn! {
[INFO] [stdout] 245 | |     fn rure_iter_capture_names_new(
[INFO] [stdout] 246 | |         re: *const Regex,
[INFO] [stdout] 247 | |     ) -> *mut IterCaptureNames {
[INFO] [stdout] ...   |
[INFO] [stdout] 254 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:256:1
[INFO] [stdout]     |
[INFO] [stdout] 256 | / ffi_fn! {
[INFO] [stdout] 257 | |     fn rure_iter_capture_names_free(it: *mut IterCaptureNames) {
[INFO] [stdout] 258 | |         unsafe {
[INFO] [stdout] 259 | |             let it = &mut *it;
[INFO] [stdout] ...   |
[INFO] [stdout] 266 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:268:1
[INFO] [stdout]     |
[INFO] [stdout] 268 | / ffi_fn! {
[INFO] [stdout] 269 | |     fn rure_iter_capture_names_next(
[INFO] [stdout] 270 | |         it: *mut IterCaptureNames,
[INFO] [stdout] 271 | |         capture_name: *mut *mut c_char,
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:305:1
[INFO] [stdout]     |
[INFO] [stdout] 305 | / ffi_fn! {
[INFO] [stdout] 306 | |     fn rure_iter_new(
[INFO] [stdout] 307 | |         re: *const Regex,
[INFO] [stdout] 308 | |     ) -> *mut Iter {
[INFO] [stdout] ...   |
[INFO] [stdout] 315 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:317:1
[INFO] [stdout]     |
[INFO] [stdout] 317 | / ffi_fn! {
[INFO] [stdout] 318 | |     fn rure_iter_free(it: *mut Iter) {
[INFO] [stdout] 319 | |         unsafe { drop(Box::from_raw(it)); }
[INFO] [stdout] 320 | |     }
[INFO] [stdout] 321 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:323:1
[INFO] [stdout]     |
[INFO] [stdout] 323 | / ffi_fn! {
[INFO] [stdout] 324 | |     fn rure_iter_next(
[INFO] [stdout] 325 | |         it: *mut Iter,
[INFO] [stdout] 326 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:364:1
[INFO] [stdout]     |
[INFO] [stdout] 364 | / ffi_fn! {
[INFO] [stdout] 365 | |     fn rure_iter_next_captures(
[INFO] [stdout] 366 | |         it: *mut Iter,
[INFO] [stdout] 367 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 398 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:400:1
[INFO] [stdout]     |
[INFO] [stdout] 400 | / ffi_fn! {
[INFO] [stdout] 401 | |     fn rure_captures_new(re: *const Regex) -> *mut Captures {
[INFO] [stdout] 402 | |         let re = unsafe { &*re };
[INFO] [stdout] 403 | |         let captures = Captures(re.locations());
[INFO] [stdout] ...   |
[INFO] [stdout] 406 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / ffi_fn! {
[INFO] [stdout] 409 | |     fn rure_captures_free(captures: *const Captures) {
[INFO] [stdout] 410 | |         unsafe { drop(Box::from_raw(captures as *mut Captures)); }
[INFO] [stdout] 411 | |     }
[INFO] [stdout] 412 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:414:1
[INFO] [stdout]     |
[INFO] [stdout] 414 | / ffi_fn! {
[INFO] [stdout] 415 | |     fn rure_captures_at(
[INFO] [stdout] 416 | |         captures: *const Captures,
[INFO] [stdout] 417 | |         i: size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 434 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:436:1
[INFO] [stdout]     |
[INFO] [stdout] 436 | / ffi_fn! {
[INFO] [stdout] 437 | |     fn rure_captures_len(captures: *const Captures) -> size_t {
[INFO] [stdout] 438 | |         unsafe { (*captures).0.len() }
[INFO] [stdout] 439 | |     }
[INFO] [stdout] 440 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:442:1
[INFO] [stdout]     |
[INFO] [stdout] 442 | / ffi_fn! {
[INFO] [stdout] 443 | |     fn rure_options_new() -> *mut Options {
[INFO] [stdout] 444 | |         Box::into_raw(Box::new(Options::default()))
[INFO] [stdout] 445 | |     }
[INFO] [stdout] 446 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:448:1
[INFO] [stdout]     |
[INFO] [stdout] 448 | / ffi_fn! {
[INFO] [stdout] 449 | |     fn rure_options_free(options: *mut Options) {
[INFO] [stdout] 450 | |         unsafe { drop(Box::from_raw(options)); }
[INFO] [stdout] 451 | |     }
[INFO] [stdout] 452 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:454:1
[INFO] [stdout]     |
[INFO] [stdout] 454 | / ffi_fn! {
[INFO] [stdout] 455 | |     fn rure_options_size_limit(options: *mut Options, limit: size_t) {
[INFO] [stdout] 456 | |         let options = unsafe { &mut *options };
[INFO] [stdout] 457 | |         options.size_limit = limit;
[INFO] [stdout] 458 | |     }
[INFO] [stdout] 459 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:461:1
[INFO] [stdout]     |
[INFO] [stdout] 461 | / ffi_fn! {
[INFO] [stdout] 462 | |     fn rure_options_dfa_size_limit(options: *mut Options, limit: size_t) {
[INFO] [stdout] 463 | |         let options = unsafe { &mut *options };
[INFO] [stdout] 464 | |         options.dfa_size_limit = limit;
[INFO] [stdout] 465 | |     }
[INFO] [stdout] 466 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:468:1
[INFO] [stdout]     |
[INFO] [stdout] 468 | / ffi_fn! {
[INFO] [stdout] 469 | |     fn rure_compile_set(
[INFO] [stdout] 470 | |         patterns: *const *const u8,
[INFO] [stdout] 471 | |         patterns_lengths: *const size_t,
[INFO] [stdout] ...   |
[INFO] [stdout] 526 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:528:1
[INFO] [stdout]     |
[INFO] [stdout] 528 | / ffi_fn! {
[INFO] [stdout] 529 | |     fn rure_set_free(re: *const RegexSet) {
[INFO] [stdout] 530 | |         unsafe { drop(Box::from_raw(re as *mut RegexSet)); }
[INFO] [stdout] 531 | |     }
[INFO] [stdout] 532 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:534:1
[INFO] [stdout]     |
[INFO] [stdout] 534 | / ffi_fn! {
[INFO] [stdout] 535 | |     fn rure_set_is_match(
[INFO] [stdout] 536 | |         re: *const RegexSet,
[INFO] [stdout] 537 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 545 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:547:1
[INFO] [stdout]     |
[INFO] [stdout] 547 | / ffi_fn! {
[INFO] [stdout] 548 | |     fn rure_set_matches(
[INFO] [stdout] 549 | |         re: *const RegexSet,
[INFO] [stdout] 550 | |         haystack: *const u8,
[INFO] [stdout] ...   |
[INFO] [stdout] 567 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:569:1
[INFO] [stdout]     |
[INFO] [stdout] 569 | / ffi_fn! {
[INFO] [stdout] 570 | |     fn rure_set_len(re: *const RegexSet) -> size_t {
[INFO] [stdout] 571 | |         unsafe { (*re).len() }
[INFO] [stdout] 572 | |     }
[INFO] [stdout] 573 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:575:1
[INFO] [stdout]     |
[INFO] [stdout] 575 | / ffi_fn! {
[INFO] [stdout] 576 | |     fn rure_escape_must(pattern: *const c_char) -> *const c_char {
[INFO] [stdout] 577 | |         let len = unsafe { CStr::from_ptr(pattern).to_bytes().len() };
[INFO] [stdout] 578 | |         let pat = pattern as *const u8;
[INFO] [stdout] ...   |
[INFO] [stdout] 589 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/macros.rs:7:13
[INFO] [stdout]     |
[INFO] [stdout]   7 |           pub extern fn $name($($arg: $arg_ty),*) -> $ret {
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/rure.rs:625:1
[INFO] [stdout]     |
[INFO] [stdout] 625 | / ffi_fn! {
[INFO] [stdout] 626 | |     fn rure_cstring_free(s: *mut c_char) {
[INFO] [stdout] 627 | |         unsafe { drop(CString::from_raw(s)); }
[INFO] [stdout] 628 | |     }
[INFO] [stdout] 629 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "7df74d1b101aabda7cd398f2a61a1d27a906ade9dcd688a2c4d2e0a976357956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df74d1b101aabda7cd398f2a61a1d27a906ade9dcd688a2c4d2e0a976357956", kill_on_drop: false }`
[INFO] [stdout] 7df74d1b101aabda7cd398f2a61a1d27a906ade9dcd688a2c4d2e0a976357956