[INFO] fetching crate alien_ffi 0.1.0...
[INFO] checking alien_ffi-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 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 crates.io crate alien_ffi 0.1.0
[INFO] finished tweaking crates.io crate alien_ffi 0.1.0
[INFO] tweaked toml for crates.io crate alien_ffi 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a1132f350e43884c53a0cdeb9c46fabdaad5c1465586330dec6b67da2e17bf78
[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" "a1132f350e43884c53a0cdeb9c46fabdaad5c1465586330dec6b67da2e17bf78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1132f350e43884c53a0cdeb9c46fabdaad5c1465586330dec6b67da2e17bf78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1132f350e43884c53a0cdeb9c46fabdaad5c1465586330dec6b67da2e17bf78", kill_on_drop: false }`
[INFO] [stdout] a1132f350e43884c53a0cdeb9c46fabdaad5c1465586330dec6b67da2e17bf78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87261dc1726bf00a00e378242087f8148bd8d8de8317bf846cd5f1efd442fa80
[INFO] running `Command { std: "docker" "start" "-a" "87261dc1726bf00a00e378242087f8148bd8d8de8317bf846cd5f1efd442fa80", kill_on_drop: false }`
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking alien_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / extern {
[INFO] [stdout] 7  | |     fn caml_alloc_custom(ops: *const CustomOperations, size: Intnat, used: Intnat, max: Intnat) -> Value;
[INFO] [stdout] 8  | |
[INFO] [stdout] 9  | |     fn get_custom_data(v: Value) -> *mut Cvoid;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     // fn caml_deserialize_block_1();
[INFO] [stdout] 20 | | }
[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/caml_opaque.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub finalize: extern fn(v: Value),
[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/caml_opaque.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub compare: extern fn (v1: Value, v2: Value) -> Cint,
[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/caml_opaque.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub compare_ext: extern fn (v1: Value, v2: Value) -> Cint,
[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/caml_opaque.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub hash: extern fn (v: Value) -> Intnat,
[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/caml_opaque.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub serialize: extern fn (v: Value, bsize_32: *const Uintnat, *const Uintnat) -> Cvoid,
[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/caml_opaque.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub deserialize: extern fn (*mut Cvoid) -> Uintnat,
[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/caml_opaque.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub extern fn finalize<T>(v: Value) {
[INFO] [stdout] 63 | |     // println!("Finalising {} ...", std::any::type_name::<T>());
[INFO] [stdout] 64 | |     // std::io::stdout().flush().unwrap();
[INFO] [stdout] 65 | |     let data_ptr = unsafe { get_custom_data(v) as *mut *mut Cvoid };
[INFO] [stdout] 66 | |     drop(unsafe { Box::from_raw((*data_ptr) as *mut T) })
[INFO] [stdout] 67 | | }
[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/caml_opaque.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | / pub extern fn default_compare(v1: Value, v2: Value) -> Cint {
[INFO] [stdout] 71 | |     unsafe { caml_compare_default(v1, v2) }
[INFO] [stdout] 72 | | }
[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/caml_opaque.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / pub extern fn compare<T: Ord>(v1: Value, v2: Value) -> Cint {
[INFO] [stdout] 75 | |     let v1_ptr = unsafe { get_custom_data(v1) as *mut *mut Cvoid };
[INFO] [stdout] 76 | |     let v2_ptr = unsafe { get_custom_data(v2) as *mut *mut Cvoid };
[INFO] [stdout] 77 | |     let v1 = unsafe { Box::from_raw((*v1_ptr) as *mut T) };
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |     r
[INFO] [stdout] 83 | | }
[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/caml_opaque.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | / pub extern fn default_compare_ext(v1: Value, v2: Value) -> Cint {
[INFO] [stdout] 87 | |     unsafe { caml_compare_ext_default(v1, v2) }
[INFO] [stdout] 88 | | }
[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/caml_opaque.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | / pub extern fn default_hash(v: Value) -> Intnat {
[INFO] [stdout] 92 | |     unsafe { caml_hash_default(v) }
[INFO] [stdout] 93 | | }
[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/caml_opaque.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | / pub extern fn default_serialize(v: Value, bsize_32: *const Uintnat, bsize_64: *const Uintnat) -> Cvoid {
[INFO] [stdout] 97 | |     unsafe { caml_serialize_default(v, bsize_32, bsize_64) }
[INFO] [stdout] 98 | | }
[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/caml_opaque.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | / pub extern fn default_deserialize(dst: *mut Cvoid) -> Uintnat {
[INFO] [stdout] 102 | |     unsafe { caml_deserialize_default(dst) }
[INFO] [stdout] 103 | | }
[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/caml_values.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / extern {
[INFO] [stdout] 5  | |     pub fn long_val(l: Value) -> Clong;
[INFO] [stdout] 6  | |     pub fn int_val(i: Value) -> Cint;
[INFO] [stdout] 7  | |     pub fn val_long(l: Clong) -> Value;
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     pub fn val_unit() -> Value;
[INFO] [stdout] 12 | | }
[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:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / extern {
[INFO] [stdout] 22 | |     pub fn caml_ba_alloc_u8(data: *const Cvoid, ndims: Cint, dims: *const Clong) -> Value;
[INFO] [stdout] 23 | |
[INFO] [stdout] 24 | |     // Custom
[INFO] [stdout] 25 | |     pub fn set_finalize(ops: *const CustomOperations, f: extern fn (Value));
[INFO] [stdout] 26 | | }
[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:25:58
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_finalize(ops: *const CustomOperations, f: extern fn (Value));
[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:38:57
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn caml_finalize(ops: &'static CustomOperations, f: extern fn (Value)) {
[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:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | / pub extern fn arena_alloc(_unit: Value) -> Value {
[INFO] [stdout] 102 | |     alloc_external::<Arena<Vec<u8>>>(Arena::new())
[INFO] [stdout] 103 | | }
[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:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | / pub extern fn arena_free(arena: Value) -> Value {
[INFO] [stdout] 107 | |     free_external::<Arena<Vec<u8>>>(arena);
[INFO] [stdout] 108 | |     caml_unit()
[INFO] [stdout] 109 | | }
[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 20 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / extern {
[INFO] [stdout] 7  | |     fn caml_alloc_custom(ops: *const CustomOperations, size: Intnat, used: Intnat, max: Intnat) -> Value;
[INFO] [stdout] 8  | |
[INFO] [stdout] 9  | |     fn get_custom_data(v: Value) -> *mut Cvoid;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     // fn caml_deserialize_block_1();
[INFO] [stdout] 20 | | }
[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] [stderr] error: could not compile `alien_ffi`.
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub finalize: extern fn(v: Value),
[INFO] [stdout]    |                   ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub compare: extern fn (v1: Value, v2: Value) -> Cint,
[INFO] [stdout]    |                  ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub compare_ext: extern fn (v1: Value, v2: Value) -> Cint,
[INFO] [stdout]    |                      ^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub hash: extern fn (v: Value) -> Intnat,
[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/caml_opaque.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub serialize: extern fn (v: Value, bsize_32: *const Uintnat, *const Uintnat) -> Cvoid,
[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/caml_opaque.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub deserialize: extern fn (*mut Cvoid) -> Uintnat,
[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/caml_opaque.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub extern fn finalize<T>(v: Value) {
[INFO] [stdout] 63 | |     // println!("Finalising {} ...", std::any::type_name::<T>());
[INFO] [stdout] 64 | |     // std::io::stdout().flush().unwrap();
[INFO] [stdout] 65 | |     let data_ptr = unsafe { get_custom_data(v) as *mut *mut Cvoid };
[INFO] [stdout] 66 | |     drop(unsafe { Box::from_raw((*data_ptr) as *mut T) })
[INFO] [stdout] 67 | | }
[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/caml_opaque.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | / pub extern fn default_compare(v1: Value, v2: Value) -> Cint {
[INFO] [stdout] 71 | |     unsafe { caml_compare_default(v1, v2) }
[INFO] [stdout] 72 | | }
[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/caml_opaque.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / pub extern fn compare<T: Ord>(v1: Value, v2: Value) -> Cint {
[INFO] [stdout] 75 | |     let v1_ptr = unsafe { get_custom_data(v1) as *mut *mut Cvoid };
[INFO] [stdout] 76 | |     let v2_ptr = unsafe { get_custom_data(v2) as *mut *mut Cvoid };
[INFO] [stdout] 77 | |     let v1 = unsafe { Box::from_raw((*v1_ptr) as *mut T) };
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |     r
[INFO] [stdout] 83 | | }
[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/caml_opaque.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | / pub extern fn default_compare_ext(v1: Value, v2: Value) -> Cint {
[INFO] [stdout] 87 | |     unsafe { caml_compare_ext_default(v1, v2) }
[INFO] [stdout] 88 | | }
[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/caml_opaque.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | / pub extern fn default_hash(v: Value) -> Intnat {
[INFO] [stdout] 92 | |     unsafe { caml_hash_default(v) }
[INFO] [stdout] 93 | | }
[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/caml_opaque.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | / pub extern fn default_serialize(v: Value, bsize_32: *const Uintnat, bsize_64: *const Uintnat) -> Cvoid {
[INFO] [stdout] 97 | |     unsafe { caml_serialize_default(v, bsize_32, bsize_64) }
[INFO] [stdout] 98 | | }
[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/caml_opaque.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | / pub extern fn default_deserialize(dst: *mut Cvoid) -> Uintnat {
[INFO] [stdout] 102 | |     unsafe { caml_deserialize_default(dst) }
[INFO] [stdout] 103 | | }
[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/caml_values.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / extern {
[INFO] [stdout] 5  | |     pub fn long_val(l: Value) -> Clong;
[INFO] [stdout] 6  | |     pub fn int_val(i: Value) -> Cint;
[INFO] [stdout] 7  | |     pub fn val_long(l: Clong) -> Value;
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     pub fn val_unit() -> Value;
[INFO] [stdout] 12 | | }
[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:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / extern {
[INFO] [stdout] 22 | |     pub fn caml_ba_alloc_u8(data: *const Cvoid, ndims: Cint, dims: *const Clong) -> Value;
[INFO] [stdout] 23 | |
[INFO] [stdout] 24 | |     // Custom
[INFO] [stdout] 25 | |     pub fn set_finalize(ops: *const CustomOperations, f: extern fn (Value));
[INFO] [stdout] 26 | | }
[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:25:58
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_finalize(ops: *const CustomOperations, f: extern fn (Value));
[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:38:57
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn caml_finalize(ops: &'static CustomOperations, f: extern fn (Value)) {
[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:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | / pub extern fn arena_alloc(_unit: Value) -> Value {
[INFO] [stdout] 102 | |     alloc_external::<Arena<Vec<u8>>>(Arena::new())
[INFO] [stdout] 103 | | }
[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:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | / pub extern fn arena_free(arena: Value) -> Value {
[INFO] [stdout] 107 | |     free_external::<Arena<Vec<u8>>>(arena);
[INFO] [stdout] 108 | |     caml_unit()
[INFO] [stdout] 109 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 20 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87261dc1726bf00a00e378242087f8148bd8d8de8317bf846cd5f1efd442fa80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87261dc1726bf00a00e378242087f8148bd8d8de8317bf846cd5f1efd442fa80", kill_on_drop: false }`
[INFO] [stdout] 87261dc1726bf00a00e378242087f8148bd8d8de8317bf846cd5f1efd442fa80