[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] checking retrokiller543/interoptopus_custom_c_backend against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretrokiller543%2Finteroptopus_custom_c_backend" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/retrokiller543/interoptopus_custom_c_backend on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interoptopus v0.14.23
[INFO] [stderr]   Downloaded cc v1.0.99
[INFO] [stderr]   Downloaded interoptopus_proc v0.14.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44
[INFO] running `Command { std: "docker" "start" "4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]     Checking 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]     Checking interoptopus v0.14.23
[INFO] [stderr]     Checking interoptopus_custom_c_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking 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] [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 10.70s
[INFO] running `Command { std: "docker" "inspect" "4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44", kill_on_drop: false }`
[INFO] [stdout] 4562d900e2f517b580bf90fc94fbdf654d3419cb9d21e6d64e70138f84323e44
