[INFO] fetching crate alien_ffi 0.1.0...
[INFO] testing alien_ffi-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ba7c0f820a9002a3f164ad2b539d5dd61a69b66c34906925338fdb3d0fd397
[INFO] running `Command { std: "docker" "start" "-a" "c9ba7c0f820a9002a3f164ad2b539d5dd61a69b66c34906925338fdb3d0fd397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ba7c0f820a9002a3f164ad2b539d5dd61a69b66c34906925338fdb3d0fd397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ba7c0f820a9002a3f164ad2b539d5dd61a69b66c34906925338fdb3d0fd397", kill_on_drop: false }`
[INFO] [stdout] c9ba7c0f820a9002a3f164ad2b539d5dd61a69b66c34906925338fdb3d0fd397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c58ab2c366f71cfedc3ff10bb32ef9cf34cc8c088061ee730148aadf442b44bf
[INFO] running `Command { std: "docker" "start" "-a" "c58ab2c366f71cfedc3ff10bb32ef9cf34cc8c088061ee730148aadf442b44bf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c58ab2c366f71cfedc3ff10bb32ef9cf34cc8c088061ee730148aadf442b44bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58ab2c366f71cfedc3ff10bb32ef9cf34cc8c088061ee730148aadf442b44bf", kill_on_drop: false }`
[INFO] [stdout] c58ab2c366f71cfedc3ff10bb32ef9cf34cc8c088061ee730148aadf442b44bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde6dae60369de9c4747b7cf4f9e08569a92b70f72e47ab0423de403d85de3f5
[INFO] running `Command { std: "docker" "start" "-a" "fde6dae60369de9c4747b7cf4f9e08569a92b70f72e47ab0423de403d85de3f5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "fde6dae60369de9c4747b7cf4f9e08569a92b70f72e47ab0423de403d85de3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde6dae60369de9c4747b7cf4f9e08569a92b70f72e47ab0423de403d85de3f5", kill_on_drop: false }`
[INFO] [stdout] fde6dae60369de9c4747b7cf4f9e08569a92b70f72e47ab0423de403d85de3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60e990492daacfad36d97fade7a5fbd190246b3b96a3f0095d5760ed60d6fc17
[INFO] running `Command { std: "docker" "start" "-a" "60e990492daacfad36d97fade7a5fbd190246b3b96a3f0095d5760ed60d6fc17", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]  --> src/caml_opaque.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern {
[INFO] [stderr]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub finalize: extern fn(v: Value),
[INFO] [stderr]    |                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub compare: extern fn (v1: Value, v2: Value) -> Cint,
[INFO] [stderr]    |                  ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub compare_ext: extern fn (v1: Value, v2: Value) -> Cint,
[INFO] [stderr]    |                      ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub hash: extern fn (v: Value) -> Intnat,
[INFO] [stderr]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub serialize: extern fn (v: Value, bsize_32: *const Uintnat, *const Uintnat) -> Cvoid,
[INFO] [stderr]    |                    ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub deserialize: extern fn (*mut Cvoid) -> Uintnat,
[INFO] [stderr]    |                      ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub extern fn finalize<T>(v: Value) {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub extern fn default_compare(v1: Value, v2: Value) -> Cint {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub extern fn compare<T: Ord>(v1: Value, v2: Value) -> Cint {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub extern fn default_compare_ext(v1: Value, v2: Value) -> Cint {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub extern fn default_hash(v: Value) -> Intnat {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/caml_opaque.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub extern fn default_serialize(v: Value, bsize_32: *const Uintnat, bsize_64: *const Uintnat) -> Cvoid {
[INFO] [stderr]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/caml_opaque.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub extern fn default_deserialize(dst: *mut Cvoid) -> Uintnat {
[INFO] [stderr]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]  --> src/caml_values.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern {
[INFO] [stderr]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | extern {
[INFO] [stderr]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/lib.rs:25:58
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn set_finalize(ops: *const CustomOperations, f: extern fn (Value));
[INFO] [stderr]    |                                                          ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/lib.rs:38:57
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn caml_finalize(ops: &'static CustomOperations, f: extern fn (Value)) {
[INFO] [stderr]    |                                                         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/lib.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub extern fn arena_alloc(_unit: Value) -> Value {
[INFO] [stderr]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub extern fn arena_free(arena: Value) -> Value {
[INFO] [stderr]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `alien_ffi` (lib) generated 20 warnings (run `cargo fix --lib -p alien_ffi` to apply 20 suggestions)
[INFO] [stderr] warning: `alien_ffi` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alien_ffi-a6abd54361c7eebf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alien_ffi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60e990492daacfad36d97fade7a5fbd190246b3b96a3f0095d5760ed60d6fc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e990492daacfad36d97fade7a5fbd190246b3b96a3f0095d5760ed60d6fc17", kill_on_drop: false }`
[INFO] [stdout] 60e990492daacfad36d97fade7a5fbd190246b3b96a3f0095d5760ed60d6fc17