[INFO] fetching crate interoptopus_reference_project 0.14.25...
[INFO] testing interoptopus_reference_project-0.14.25 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate interoptopus_reference_project 0.14.25 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate interoptopus_reference_project 0.14.25
[INFO] finished tweaking crates.io crate interoptopus_reference_project 0.14.25
[INFO] tweaked toml for crates.io crate interoptopus_reference_project 0.14.25 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate interoptopus_reference_project 0.14.25 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus v0.14.27
[INFO] [stderr]   Downloaded interoptopus_proc v0.14.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c0bcbcf1635c40a99dcc8c034c957e33225a20b305de2c7bbdcde1e272d1d0
[INFO] running `Command { std: "docker" "start" "-a" "c6c0bcbcf1635c40a99dcc8c034c957e33225a20b305de2c7bbdcde1e272d1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c0bcbcf1635c40a99dcc8c034c957e33225a20b305de2c7bbdcde1e272d1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c0bcbcf1635c40a99dcc8c034c957e33225a20b305de2c7bbdcde1e272d1d0", kill_on_drop: false }`
[INFO] [stdout] c6c0bcbcf1635c40a99dcc8c034c957e33225a20b305de2c7bbdcde1e272d1d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd876735c054ec7c96f864a6c977b0ac6cf36159aee6046917c7a56db392769b
[INFO] running `Command { std: "docker" "start" "-a" "bd876735c054ec7c96f864a6c977b0ac6cf36159aee6046917c7a56db392769b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling regex v1.12.2
[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 v0.14.27
[INFO] [stderr]    Compiling interoptopus_reference_project v0.14.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.91s
[INFO] running `Command { std: "docker" "inspect" "bd876735c054ec7c96f864a6c977b0ac6cf36159aee6046917c7a56db392769b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd876735c054ec7c96f864a6c977b0ac6cf36159aee6046917c7a56db392769b", kill_on_drop: false }`
[INFO] [stdout] bd876735c054ec7c96f864a6c977b0ac6cf36159aee6046917c7a56db392769b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa3e841a0e4c9d99a917512eb0cc60826b5d67739fee3cfc9589d4b4e74a249
[INFO] running `Command { std: "docker" "start" "-a" "8fa3e841a0e4c9d99a917512eb0cc60826b5d67739fee3cfc9589d4b4e74a249", kill_on_drop: false }`
[INFO] [stderr]    Compiling interoptopus_reference_project v0.14.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "8fa3e841a0e4c9d99a917512eb0cc60826b5d67739fee3cfc9589d4b4e74a249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa3e841a0e4c9d99a917512eb0cc60826b5d67739fee3cfc9589d4b4e74a249", kill_on_drop: false }`
[INFO] [stdout] 8fa3e841a0e4c9d99a917512eb0cc60826b5d67739fee3cfc9589d4b4e74a249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9239a2c6f72d72bd7d441e147d3a4badd1b1a7df5b764c0192b33f1a252035c8
[INFO] running `Command { std: "docker" "start" "-a" "9239a2c6f72d72bd7d441e147d3a4badd1b1a7df5b764c0192b33f1a252035c8", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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]    --> 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_reference_project` (lib test) generated 6 warnings (6 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_reference_project-95ad60a4c0181619)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test patterns::callbacks::tests::namespaces_assigned_correctly ... ok
[INFO] [stdout] test patterns::slice::test::test_pattern_ffi_slice_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interoptopus_reference_project
[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" "9239a2c6f72d72bd7d441e147d3a4badd1b1a7df5b764c0192b33f1a252035c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9239a2c6f72d72bd7d441e147d3a4badd1b1a7df5b764c0192b33f1a252035c8", kill_on_drop: false }`
[INFO] [stdout] 9239a2c6f72d72bd7d441e147d3a4badd1b1a7df5b764c0192b33f1a252035c8
