[INFO] cloning repository https://github.com/jdavidagudelo/cffi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdavidagudelo/cffi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdavidagudelo%2Fcffi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdavidagudelo%2Fcffi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11ca6c043394866b569d68aed4af0185789cadc0
[INFO] checking jdavidagudelo/cffi-rust against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdavidagudelo%2Fcffi-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdavidagudelo/cffi-rust on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdavidagudelo/cffi-rust
[INFO] finished tweaking git repo https://github.com/jdavidagudelo/cffi-rust
[INFO] tweaked toml for git repo https://github.com/jdavidagudelo/cffi-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jdavidagudelo/cffi-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f5f37f9ad108b19f006aea8dd1efd80b5313867401f544852935061bda9722
[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" "08f5f37f9ad108b19f006aea8dd1efd80b5313867401f544852935061bda9722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f5f37f9ad108b19f006aea8dd1efd80b5313867401f544852935061bda9722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f5f37f9ad108b19f006aea8dd1efd80b5313867401f544852935061bda9722", kill_on_drop: false }`
[INFO] [stdout] 08f5f37f9ad108b19f006aea8dd1efd80b5313867401f544852935061bda9722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1139bab2cb79871a158934350453f8d97d73650228d89b3e84765eeb764ebe14
[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" "1139bab2cb79871a158934350453f8d97d73650228d89b3e84765eeb764ebe14", kill_on_drop: false }`
[INFO] [stderr]     Checking cffi_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `c_uint`
[INFO] [stdout]  --> src/lib.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libc::{c_char, uint32_t, uint8_t, size_t, c_uint};
[INFO] [stdout]   |                                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / pub extern fn zip_code_database_new() -> *mut ZipCodeDatabase {
[INFO] [stdout] 39 | |     Box::into_raw(Box::new(ZipCodeDatabase::new()))
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / pub extern fn zip_code_database_free(ptr: *mut ZipCodeDatabase) {
[INFO] [stdout] 44 | |     if ptr.is_null() { return }
[INFO] [stdout] 45 | |     unsafe { Box::from_raw(ptr); }
[INFO] [stdout] 46 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub extern fn zip_code_database_populate(ptr: *mut ZipCodeDatabase) {
[INFO] [stdout] 50 | |     let database = unsafe {
[INFO] [stdout] 51 | |         assert!(!ptr.is_null());
[INFO] [stdout] 52 | |         &mut *ptr
[INFO] [stdout] 53 | |     };
[INFO] [stdout] 54 | |     database.populate();
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / pub extern fn zip_code_database_population_of(ptr: *const ZipCodeDatabase, zip: *const c_char) -> uint32_t {
[INFO] [stdout] 59 | |     let database = unsafe {
[INFO] [stdout] 60 | |         assert!(!ptr.is_null());
[INFO] [stdout] 61 | |         &*ptr
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |     database.population_of(zip_str)
[INFO] [stdout] 69 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | / pub extern fn flip_things_around(tup: Tuple) -> Tuple {
[INFO] [stdout] 101 | |     flip_things_around_rust(tup.into()).into()
[INFO] [stdout] 102 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | / pub extern fn sum_of_even(n: *const uint32_t, len: size_t) -> uint32_t {
[INFO] [stdout] 108 | |     let numbers = unsafe {
[INFO] [stdout] 109 | |         assert!(!n.is_null());
[INFO] [stdout] 110 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |     sum as uint32_t
[INFO] [stdout] 119 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | / pub extern fn addition(a: uint32_t, b: uint32_t) -> uint32_t {
[INFO] [stdout] 125 | |     a + b
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 129 | / pub extern fn how_many_characters(s: *const c_char) -> uint32_t {
[INFO] [stdout] 130 | |     let c_str = unsafe {
[INFO] [stdout] 131 | |         assert!(!s.is_null());
[INFO] [stdout] 132 | |         CStr::from_ptr(s)
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |     r_str.chars().count() as uint32_t
[INFO] [stdout] 137 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:140:1
[INFO] [stdout]     |
[INFO] [stdout] 140 | / pub extern fn theme_song_generate(length: uint8_t) -> *mut c_char {
[INFO] [stdout] 141 | |     let mut song = String::from("💣 ");
[INFO] [stdout] 142 | |     song.extend(iter::repeat("na ").take(length as usize));
[INFO] [stdout] 143 | |     song.push_str("Batman! 💣");
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |     c_str_song.into_raw()
[INFO] [stdout] 147 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | / pub extern fn theme_song_free(s: *mut c_char) {
[INFO] [stdout] 151 | |     unsafe {
[INFO] [stdout] 152 | |         if s.is_null() { return }
[INFO] [stdout] 153 | |         CString::from_raw(s)
[INFO] [stdout] 154 | |     };
[INFO] [stdout] 155 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | / pub extern fn test_array() -> *const i32 {
[INFO] [stdout] 159 | |     const DATA: [i32; 3] = [11, 27, 31];
[INFO] [stdout] 160 | |
[INFO] [stdout] 161 | |     DATA.as_ptr()
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / pub extern fn make_array() -> *const i32 {
[INFO] [stdout] 168 | |     ARRAY.as_ptr()
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / pub extern fn wrapper() -> Slice {
[INFO] [stdout] 183 | |     let mut v = vec_return();
[INFO] [stdout] 184 | |     let p = v.as_mut_ptr();
[INFO] [stdout] 185 | |     let len = v.len();
[INFO] [stdout] 186 | |     mem::forget(v);
[INFO] [stdout] 187 | |     Slice { ptr: p, len }
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / pub extern fn free_vector(ptr: *mut i32) {
[INFO] [stdout] 192 | |     if ptr.is_null() { return }
[INFO] [stdout] 193 | |     unsafe { Box::from_raw(ptr); }
[INFO] [stdout] 194 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_uint`
[INFO] [stdout]  --> src/lib.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libc::{c_char, uint32_t, uint8_t, size_t, c_uint};
[INFO] [stdout]   |                                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / pub extern fn zip_code_database_new() -> *mut ZipCodeDatabase {
[INFO] [stdout] 39 | |     Box::into_raw(Box::new(ZipCodeDatabase::new()))
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / pub extern fn zip_code_database_free(ptr: *mut ZipCodeDatabase) {
[INFO] [stdout] 44 | |     if ptr.is_null() { return }
[INFO] [stdout] 45 | |     unsafe { Box::from_raw(ptr); }
[INFO] [stdout] 46 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub extern fn zip_code_database_populate(ptr: *mut ZipCodeDatabase) {
[INFO] [stdout] 50 | |     let database = unsafe {
[INFO] [stdout] 51 | |         assert!(!ptr.is_null());
[INFO] [stdout] 52 | |         &mut *ptr
[INFO] [stdout] 53 | |     };
[INFO] [stdout] 54 | |     database.populate();
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | / pub extern fn zip_code_database_population_of(ptr: *const ZipCodeDatabase, zip: *const c_char) -> uint32_t {
[INFO] [stdout] 59 | |     let database = unsafe {
[INFO] [stdout] 60 | |         assert!(!ptr.is_null());
[INFO] [stdout] 61 | |         &*ptr
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |     database.population_of(zip_str)
[INFO] [stdout] 69 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | / pub extern fn flip_things_around(tup: Tuple) -> Tuple {
[INFO] [stdout] 101 | |     flip_things_around_rust(tup.into()).into()
[INFO] [stdout] 102 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | / pub extern fn sum_of_even(n: *const uint32_t, len: size_t) -> uint32_t {
[INFO] [stdout] 108 | |     let numbers = unsafe {
[INFO] [stdout] 109 | |         assert!(!n.is_null());
[INFO] [stdout] 110 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |     sum as uint32_t
[INFO] [stdout] 119 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | / pub extern fn addition(a: uint32_t, b: uint32_t) -> uint32_t {
[INFO] [stdout] 125 | |     a + b
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:129:1
[INFO] [stdout]     |
[INFO] [stdout] 129 | / pub extern fn how_many_characters(s: *const c_char) -> uint32_t {
[INFO] [stdout] 130 | |     let c_str = unsafe {
[INFO] [stdout] 131 | |         assert!(!s.is_null());
[INFO] [stdout] 132 | |         CStr::from_ptr(s)
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |     r_str.chars().count() as uint32_t
[INFO] [stdout] 137 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:140:1
[INFO] [stdout]     |
[INFO] [stdout] 140 | / pub extern fn theme_song_generate(length: uint8_t) -> *mut c_char {
[INFO] [stdout] 141 | |     let mut song = String::from("💣 ");
[INFO] [stdout] 142 | |     song.extend(iter::repeat("na ").take(length as usize));
[INFO] [stdout] 143 | |     song.push_str("Batman! 💣");
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |     c_str_song.into_raw()
[INFO] [stdout] 147 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | / pub extern fn theme_song_free(s: *mut c_char) {
[INFO] [stdout] 151 | |     unsafe {
[INFO] [stdout] 152 | |         if s.is_null() { return }
[INFO] [stdout] 153 | |         CString::from_raw(s)
[INFO] [stdout] 154 | |     };
[INFO] [stdout] 155 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | / pub extern fn test_array() -> *const i32 {
[INFO] [stdout] 159 | |     const DATA: [i32; 3] = [11, 27, 31];
[INFO] [stdout] 160 | |
[INFO] [stdout] 161 | |     DATA.as_ptr()
[INFO] [stdout] 162 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | / pub extern fn make_array() -> *const i32 {
[INFO] [stdout] 168 | |     ARRAY.as_ptr()
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / pub extern fn wrapper() -> Slice {
[INFO] [stdout] 183 | |     let mut v = vec_return();
[INFO] [stdout] 184 | |     let p = v.as_mut_ptr();
[INFO] [stdout] 185 | |     let len = v.len();
[INFO] [stdout] 186 | |     mem::forget(v);
[INFO] [stdout] 187 | |     Slice { ptr: p, len }
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | / pub extern fn free_vector(ptr: *mut i32) {
[INFO] [stdout] 192 | |     if ptr.is_null() { return }
[INFO] [stdout] 193 | |     unsafe { Box::from_raw(ptr); }
[INFO] [stdout] 194 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cffi_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1139bab2cb79871a158934350453f8d97d73650228d89b3e84765eeb764ebe14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1139bab2cb79871a158934350453f8d97d73650228d89b3e84765eeb764ebe14", kill_on_drop: false }`
[INFO] [stdout] 1139bab2cb79871a158934350453f8d97d73650228d89b3e84765eeb764ebe14