[INFO] fetching crate alien_ffi 0.1.0...
[INFO] checking alien_ffi-0.1.0 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking alien_ffi-0.1.0 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking alien_ffi-0.1.0 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking alien_ffi-0.1.0 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking alien_ffi-0.1.0 against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd70e2b349f9ae408899fc6fa325a3c7d432a5b43c6ae16d1ced22466970d87
[INFO] running `Command { std: "docker" "start" "-a" "5cd70e2b349f9ae408899fc6fa325a3c7d432a5b43c6ae16d1ced22466970d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd70e2b349f9ae408899fc6fa325a3c7d432a5b43c6ae16d1ced22466970d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd70e2b349f9ae408899fc6fa325a3c7d432a5b43c6ae16d1ced22466970d87", kill_on_drop: false }`
[INFO] [stdout] 5cd70e2b349f9ae408899fc6fa325a3c7d432a5b43c6ae16d1ced22466970d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee350a7592199a8a4cecd09c2e3704328dc19b63eb383b89697de47f94c8ef34
[INFO] running `Command { std: "docker" "start" "-a" "ee350a7592199a8a4cecd09c2e3704328dc19b63eb383b89697de47f94c8ef34", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking alien_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/caml_opaque.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                  ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                      ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                    ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                      ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub extern fn finalize<T>(v: Value) {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub extern fn default_compare(v1: Value, v2: Value) -> Cint {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub extern fn compare<T: Ord>(v1: Value, v2: Value) -> Cint {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub extern fn default_compare_ext(v1: Value, v2: Value) -> Cint {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub extern fn default_hash(v: Value) -> Intnat {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub extern fn default_serialize(v: Value, bsize_32: *const Uintnat, bsize_64: *const Uintnat) -> Cvoid {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/caml_opaque.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub extern fn default_deserialize(dst: *mut Cvoid) -> Uintnat {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/caml_values.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                                                          ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                                                         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub extern fn arena_alloc(_unit: Value) -> Value {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub extern fn arena_free(arena: Value) -> Value {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/caml_opaque.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                  ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                      ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                    ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                      ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub extern fn finalize<T>(v: Value) {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub extern fn default_compare(v1: Value, v2: Value) -> Cint {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub extern fn compare<T: Ord>(v1: Value, v2: Value) -> Cint {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub extern fn default_compare_ext(v1: Value, v2: Value) -> Cint {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub extern fn default_hash(v: Value) -> Intnat {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/caml_opaque.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub extern fn default_serialize(v: Value, bsize_32: *const Uintnat, bsize_64: *const Uintnat) -> Cvoid {
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/caml_opaque.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub extern fn default_deserialize(dst: *mut Cvoid) -> Uintnat {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/caml_values.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                                                          ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `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]    |                                                         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub extern fn arena_alloc(_unit: Value) -> Value {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub extern fn arena_free(arena: Value) -> Value {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "ee350a7592199a8a4cecd09c2e3704328dc19b63eb383b89697de47f94c8ef34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee350a7592199a8a4cecd09c2e3704328dc19b63eb383b89697de47f94c8ef34", kill_on_drop: false }`
[INFO] [stdout] ee350a7592199a8a4cecd09c2e3704328dc19b63eb383b89697de47f94c8ef34