[INFO] fetching crate nature_integrate_test_converter 0.0.2... [INFO] testing nature_integrate_test_converter-0.0.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate nature_integrate_test_converter 0.0.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate nature_integrate_test_converter 0.0.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nature_integrate_test_converter 0.0.2 [INFO] finished tweaking crates.io crate nature_integrate_test_converter 0.0.2 [INFO] tweaked toml for crates.io crate nature_integrate_test_converter 0.0.2 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 829f1f10b8fc43f66e4cccfb459e273f6d34e05f3b7a2860543aa2173eff8634 [INFO] running `Command { std: "docker" "start" "-a" "829f1f10b8fc43f66e4cccfb459e273f6d34e05f3b7a2860543aa2173eff8634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "829f1f10b8fc43f66e4cccfb459e273f6d34e05f3b7a2860543aa2173eff8634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "829f1f10b8fc43f66e4cccfb459e273f6d34e05f3b7a2860543aa2173eff8634", kill_on_drop: false }` [INFO] [stdout] 829f1f10b8fc43f66e4cccfb459e273f6d34e05f3b7a2860543aa2173eff8634 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e7b1c03b6fa9ef8f8e58ec76149c10ac7574d5a76f6c7569522903188627be8 [INFO] running `Command { std: "docker" "start" "-a" "2e7b1c03b6fa9ef8f8e58ec76149c10ac7574d5a76f6c7569522903188627be8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling gimli v0.24.0 [INFO] [stderr] Compiling rustc-demangle v0.1.19 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling copyless v0.1.5 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling md5 v0.6.1 [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling rand_core v0.3.1 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v0.4.19 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling const-random v0.1.13 [INFO] [stderr] Compiling ahash v0.2.19 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling actix-codec v0.1.2 [INFO] [stderr] Compiling addr2line v0.15.2 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling actix-utils v0.4.7 [INFO] [stderr] Compiling fern v0.5.9 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling actix-server-config v0.1.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling actix_derive v0.4.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling trust-dns-proto v0.7.4 [INFO] [stderr] Compiling trust-dns-resolver v0.11.1 [INFO] [stderr] Compiling actix-threadpool v0.1.2 [INFO] [stderr] Compiling actix-rt v0.2.6 [INFO] [stderr] Compiling actix-connect v0.2.5 [INFO] [stderr] Compiling actix-http v0.2.11 [INFO] [stderr] Compiling actix v0.8.3 [INFO] [stderr] Compiling nature_common v0.0.2 [INFO] [stderr] Compiling nature_integrate_test_converter v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:8:55 [INFO] [stdout] | [INFO] [stdout] 8 | pub extern fn rtn_none(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:15:64 [INFO] [stdout] | [INFO] [stdout] 15 | pub extern fn rtn_logical_error(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:22:54 [INFO] [stdout] | [INFO] [stdout] 22 | pub extern fn rtn_one(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:31:54 [INFO] [stdout] | [INFO] [stdout] 31 | pub extern fn rtn_tow(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:42:68 [INFO] [stdout] | [INFO] [stdout] 42 | pub extern fn rtn_environment_error(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `Command { std: "docker" "inspect" "2e7b1c03b6fa9ef8f8e58ec76149c10ac7574d5a76f6c7569522903188627be8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e7b1c03b6fa9ef8f8e58ec76149c10ac7574d5a76f6c7569522903188627be8", kill_on_drop: false }` [INFO] [stdout] 2e7b1c03b6fa9ef8f8e58ec76149c10ac7574d5a76f6c7569522903188627be8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2db8c125f3cb9aaac11bae22ada589c4780d156eb90d44a6eee9c8f5cbbaea11 [INFO] running `Command { std: "docker" "start" "-a" "2db8c125f3cb9aaac11bae22ada589c4780d156eb90d44a6eee9c8f5cbbaea11", kill_on_drop: false }` [INFO] [stderr] Compiling nature_integrate_test_converter v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:8:55 [INFO] [stdout] | [INFO] [stdout] 8 | pub extern fn rtn_none(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:15:64 [INFO] [stdout] | [INFO] [stdout] 15 | pub extern fn rtn_logical_error(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:22:54 [INFO] [stdout] | [INFO] [stdout] 22 | pub extern fn rtn_one(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:31:54 [INFO] [stdout] | [INFO] [stdout] 31 | pub extern fn rtn_tow(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:42:68 [INFO] [stdout] | [INFO] [stdout] 42 | pub extern fn rtn_environment_error(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.33s [INFO] running `Command { std: "docker" "inspect" "2db8c125f3cb9aaac11bae22ada589c4780d156eb90d44a6eee9c8f5cbbaea11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2db8c125f3cb9aaac11bae22ada589c4780d156eb90d44a6eee9c8f5cbbaea11", kill_on_drop: false }` [INFO] [stdout] 2db8c125f3cb9aaac11bae22ada589c4780d156eb90d44a6eee9c8f5cbbaea11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 226c0bdfce5586226e57df3293cb2ace4b79cd51e8166dd0611c64f3ea1b7503 [INFO] running `Command { std: "docker" "start" "-a" "226c0bdfce5586226e57df3293cb2ace4b79cd51e8166dd0611c64f3ea1b7503", kill_on_drop: false }` [INFO] [stderr] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:8:55 [INFO] [stderr] | [INFO] [stderr] 8 | pub extern fn rtn_none(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stderr] = note: enum has no representation hint [INFO] [stderr] [INFO] [stderr] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:15:64 [INFO] [stderr] | [INFO] [stderr] 15 | pub extern fn rtn_logical_error(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stderr] = note: enum has no representation hint [INFO] [stderr] [INFO] [stderr] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:22:54 [INFO] [stderr] | [INFO] [stderr] 22 | pub extern fn rtn_one(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stderr] = note: enum has no representation hint [INFO] [stderr] [INFO] [stderr] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:31:54 [INFO] [stderr] | [INFO] [stderr] 31 | pub extern fn rtn_tow(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stderr] = note: enum has no representation hint [INFO] [stderr] [INFO] [stderr] warning: `extern` fn uses type `nature_common::ConverterReturned`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:42:68 [INFO] [stderr] | [INFO] [stderr] 42 | pub extern fn rtn_environment_error(_para: &ConverterParameter) -> ConverterReturned { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stderr] = note: enum has no representation hint [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nature_integrate_test_converter-be2269aeeae15064) [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" "226c0bdfce5586226e57df3293cb2ace4b79cd51e8166dd0611c64f3ea1b7503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "226c0bdfce5586226e57df3293cb2ace4b79cd51e8166dd0611c64f3ea1b7503", kill_on_drop: false }` [INFO] [stdout] 226c0bdfce5586226e57df3293cb2ace4b79cd51e8166dd0611c64f3ea1b7503