[INFO] cloning repository https://github.com/retrokiller543/interoptopus_custom_c_backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retrokiller543/interoptopus_custom_c_backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretrokiller543%2Finteroptopus_custom_c_backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretrokiller543%2Finteroptopus_custom_c_backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31a7314bfdecc25890f5b2dafbde60233d618d47
[INFO] testing retrokiller543/interoptopus_custom_c_backend against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretrokiller543%2Finteroptopus_custom_c_backend" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/retrokiller543/interoptopus_custom_c_backend
[INFO] finished tweaking git repo https://github.com/retrokiller543/interoptopus_custom_c_backend
[INFO] tweaked toml for git repo https://github.com/retrokiller543/interoptopus_custom_c_backend written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/retrokiller543/interoptopus_custom_c_backend on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/retrokiller543/interoptopus_custom_c_backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus v0.14.23
[INFO] [stderr]   Downloaded interoptopus_proc v0.14.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a4af0ea4d70390f2bc10cadb5477fc9f9f7b36bb2c5812be92848f451ab6903
[INFO] running `Command { std: "docker" "start" "-a" "5a4af0ea4d70390f2bc10cadb5477fc9f9f7b36bb2c5812be92848f451ab6903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a4af0ea4d70390f2bc10cadb5477fc9f9f7b36bb2c5812be92848f451ab6903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4af0ea4d70390f2bc10cadb5477fc9f9f7b36bb2c5812be92848f451ab6903", kill_on_drop: false }`
[INFO] [stdout] 5a4af0ea4d70390f2bc10cadb5477fc9f9f7b36bb2c5812be92848f451ab6903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef4027bc8c1a107d777f97ba101fabcfff7ffffdfbc3e3d567799889174d89bf
[INFO] running `Command { std: "docker" "start" "-a" "ef4027bc8c1a107d777f97ba101fabcfff7ffffdfbc3e3d567799889174d89bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling interoptopus_proc v0.14.23
[INFO] [stderr]    Compiling interoptopus v0.14.23
[INFO] [stderr]    Compiling interoptopus_custom_c_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Helper` is never constructed
[INFO] [stdout]    --> src/writer.rs:672:12
[INFO] [stdout]     |
[INFO] [stdout] 672 | pub struct Helper<'a> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_common_service_method_overload` is never used
[INFO] [stdout]    --> src/writer.rs:678:4
[INFO] [stdout]     |
[INFO] [stdout] 678 | fn write_common_service_method_overload<FPatternMap: Fn(&Helper, &Parameter) -> String>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "ef4027bc8c1a107d777f97ba101fabcfff7ffffdfbc3e3d567799889174d89bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4027bc8c1a107d777f97ba101fabcfff7ffffdfbc3e3d567799889174d89bf", kill_on_drop: false }`
[INFO] [stdout] ef4027bc8c1a107d777f97ba101fabcfff7ffffdfbc3e3d567799889174d89bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4df507a36e56c982cca7a0fd336a8f7492b31dc1ea6d296565ad3bbfbe8296e0
[INFO] running `Command { std: "docker" "start" "-a" "4df507a36e56c982cca7a0fd336a8f7492b31dc1ea6d296565ad3bbfbe8296e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling interoptopus_reference_project v0.14.24 (/opt/rustwide/workdir/reference_project)
[INFO] [stdout] warning: struct `Helper` is never constructed
[INFO] [stdout]    --> src/writer.rs:672:12
[INFO] [stdout]     |
[INFO] [stdout] 672 | pub struct Helper<'a> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_common_service_method_overload` is never used
[INFO] [stdout]    --> src/writer.rs:678:4
[INFO] [stdout]     |
[INFO] [stdout] 678 | fn write_common_service_method_overload<FPatternMap: Fn(&Helper, &Parameter) -> String>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> reference_project/src/patterns/service.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn return_slice(&mut self) -> FFISlice<u32> {
[INFO] [stdout]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn return_slice(&mut self) -> FFISlice<'_, u32> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> reference_project/src/patterns/service.rs:117:29
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn return_slice_mut(&mut self) -> FFISliceMut<u32> {
[INFO] [stdout]     |                             ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn return_slice_mut(&mut self) -> FFISliceMut<'_, u32> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> reference_project/src/patterns/service.rs:123:26
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn return_string(&mut self) -> AsciiPointer {
[INFO] [stdout]     |                          ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn return_string(&mut self) -> AsciiPointer<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> reference_project/src/patterns/service.rs:20:6
[INFO] [stdout]     |
[INFO] [stdout]  20 |   impl SimpleService {
[INFO] [stdout]     |  ______^
[INFO] [stdout]  21 | |     /// The constructor must return a `Result<Self, Error>`.
[INFO] [stdout]  22 | |     #[ffi_service_ctor]
[INFO] [stdout]  23 | |     pub fn new_with(some_value: u32) -> Result<Self, Error> {
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |     #[ffi_service_method(on_panic = "return_default")]
[INFO] [stdout] 110 | |     pub fn return_slice(&mut self) -> FFISlice<u32> {
[INFO] [stdout]     | |                                 ^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     | |_________________________________|
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn return_slice(&mut self) -> FFISlice<'_, u32> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> reference_project/src/patterns/service.rs:20:6
[INFO] [stdout]     |
[INFO] [stdout]  20 |   impl SimpleService {
[INFO] [stdout]     |  ______^
[INFO] [stdout]  21 | |     /// The constructor must return a `Result<Self, Error>`.
[INFO] [stdout]  22 | |     #[ffi_service_ctor]
[INFO] [stdout]  23 | |     pub fn new_with(some_value: u32) -> Result<Self, Error> {
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |     #[ffi_service_method(on_panic = "return_default")]
[INFO] [stdout] 117 | |     pub fn return_slice_mut(&mut self) -> FFISliceMut<u32> {
[INFO] [stdout]     | |                                     ^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     | |_____________________________________|
[INFO] [stdout]     |                                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn return_slice_mut(&mut self) -> FFISliceMut<'_, u32> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> reference_project/src/patterns/service.rs:20:6
[INFO] [stdout]     |
[INFO] [stdout]  20 |   impl SimpleService {
[INFO] [stdout]     |  ______^
[INFO] [stdout]  21 | |     /// The constructor must return a `Result<Self, Error>`.
[INFO] [stdout]  22 | |     #[ffi_service_ctor]
[INFO] [stdout]  23 | |     pub fn new_with(some_value: u32) -> Result<Self, Error> {
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |     #[ffi_service_method(on_panic = "undefined_behavior")]
[INFO] [stdout] 123 | |     pub fn return_string(&mut self) -> AsciiPointer {
[INFO] [stdout]     | |                                  ^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     | |__________________________________|
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn return_string(&mut self) -> AsciiPointer<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interoptopus_custom_c_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Helper` is never constructed
[INFO] [stdout]    --> src/writer.rs:672:12
[INFO] [stdout]     |
[INFO] [stdout] 672 | pub struct Helper<'a> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_common_service_method_overload` is never used
[INFO] [stdout]    --> src/writer.rs:678:4
[INFO] [stdout]     |
[INFO] [stdout] 678 | fn write_common_service_method_overload<FPatternMap: Fn(&Helper, &Parameter) -> String>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "4df507a36e56c982cca7a0fd336a8f7492b31dc1ea6d296565ad3bbfbe8296e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df507a36e56c982cca7a0fd336a8f7492b31dc1ea6d296565ad3bbfbe8296e0", kill_on_drop: false }`
[INFO] [stdout] 4df507a36e56c982cca7a0fd336a8f7492b31dc1ea6d296565ad3bbfbe8296e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6546b87e8ed8268432944150cea7be73905df5223e22d6e029505e5e57716c6
[INFO] running `Command { std: "docker" "start" "-a" "a6546b87e8ed8268432944150cea7be73905df5223e22d6e029505e5e57716c6", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Helper` is never constructed
[INFO] [stderr]    --> src/writer.rs:672:12
[INFO] [stderr]     |
[INFO] [stderr] 672 | pub struct Helper<'a> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_common_service_method_overload` is never used
[INFO] [stderr]    --> src/writer.rs:678:4
[INFO] [stderr]     |
[INFO] [stderr] 678 | fn write_common_service_method_overload<FPatternMap: Fn(&Helper, &Parameter) -> String>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `interoptopus_custom_c_backend` (lib) generated 2 warnings
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> reference_project/src/patterns/service.rs:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn return_slice(&mut self) -> FFISlice<u32> {
[INFO] [stderr]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn return_slice(&mut self) -> FFISlice<'_, u32> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> reference_project/src/patterns/service.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn return_slice_mut(&mut self) -> FFISliceMut<u32> {
[INFO] [stderr]     |                             ^^^^^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn return_slice_mut(&mut self) -> FFISliceMut<'_, u32> {
[INFO] [stderr]     |                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> reference_project/src/patterns/service.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn return_string(&mut self) -> AsciiPointer {
[INFO] [stderr]     |                          ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn return_string(&mut self) -> AsciiPointer<'_> {
[INFO] [stderr]     |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> reference_project/src/patterns/service.rs:20:6
[INFO] [stderr]     |
[INFO] [stderr]  20 |   impl SimpleService {
[INFO] [stderr]     |  ______^
[INFO] [stderr]  21 | |     /// The constructor must return a `Result<Self, Error>`.
[INFO] [stderr]  22 | |     #[ffi_service_ctor]
[INFO] [stderr]  23 | |     pub fn new_with(some_value: u32) -> Result<Self, Error> {
[INFO] [stderr] ...   |
[INFO] [stderr] 109 | |     #[ffi_service_method(on_panic = "return_default")]
[INFO] [stderr] 110 | |     pub fn return_slice(&mut self) -> FFISlice<u32> {
[INFO] [stderr]     | |                                 ^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     | |_________________________________|
[INFO] [stderr]     |                                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn return_slice(&mut self) -> FFISlice<'_, u32> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> reference_project/src/patterns/service.rs:20:6
[INFO] [stderr]     |
[INFO] [stderr]  20 |   impl SimpleService {
[INFO] [stderr]     |  ______^
[INFO] [stderr]  21 | |     /// The constructor must return a `Result<Self, Error>`.
[INFO] [stderr]  22 | |     #[ffi_service_ctor]
[INFO] [stderr]  23 | |     pub fn new_with(some_value: u32) -> Result<Self, Error> {
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |     #[ffi_service_method(on_panic = "return_default")]
[INFO] [stderr] 117 | |     pub fn return_slice_mut(&mut self) -> FFISliceMut<u32> {
[INFO] [stderr]     | |                                     ^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     | |_____________________________________|
[INFO] [stderr]     |                                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn return_slice_mut(&mut self) -> FFISliceMut<'_, u32> {
[INFO] [stderr]     |                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> reference_project/src/patterns/service.rs:20:6
[INFO] [stderr]     |
[INFO] [stderr]  20 |   impl SimpleService {
[INFO] [stderr]     |  ______^
[INFO] [stderr]  21 | |     /// The constructor must return a `Result<Self, Error>`.
[INFO] [stderr]  22 | |     #[ffi_service_ctor]
[INFO] [stderr]  23 | |     pub fn new_with(some_value: u32) -> Result<Self, Error> {
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |     #[ffi_service_method(on_panic = "undefined_behavior")]
[INFO] [stderr] 123 | |     pub fn return_string(&mut self) -> AsciiPointer {
[INFO] [stderr]     | |                                  ^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     | |__________________________________|
[INFO] [stderr]     |                                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn return_string(&mut self) -> AsciiPointer<'_> {
[INFO] [stderr]     |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `interoptopus_reference_project` (lib) generated 6 warnings (run `cargo fix --lib -p interoptopus_reference_project` to apply 6 suggestions)
[INFO] [stderr] warning: `interoptopus_custom_c_backend` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/interoptopus_custom_c_backend-fefd77defb41c6ac)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/backend_c_ui.rs (/opt/rustwide/target/debug/deps/backend_c_ui-5861eacf21914b43)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test bindings_match_reference ... FAILED
[INFO] [stdout] test bindings_work ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- bindings_match_reference stdout ----
[INFO] [stdout] Error: IO(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] ---- bindings_work stdout ----
[INFO] [stdout] Error: IO(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     bindings_match_reference
[INFO] [stdout]     bindings_work
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test backend_c_ui`
[INFO] running `Command { std: "docker" "inspect" "a6546b87e8ed8268432944150cea7be73905df5223e22d6e029505e5e57716c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6546b87e8ed8268432944150cea7be73905df5223e22d6e029505e5e57716c6", kill_on_drop: false }`
[INFO] [stdout] a6546b87e8ed8268432944150cea7be73905df5223e22d6e029505e5e57716c6
