[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#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretrokiller543%2Finteroptopus_custom_c_backend" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/retrokiller543/interoptopus_custom_c_backend on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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 interoptopus_proc v0.14.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df6e394d60f271e138b15088be6970954eda4a5dfc3b30375a13295950a8fc36
[INFO] running `Command { std: "docker" "start" "-a" "df6e394d60f271e138b15088be6970954eda4a5dfc3b30375a13295950a8fc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df6e394d60f271e138b15088be6970954eda4a5dfc3b30375a13295950a8fc36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6e394d60f271e138b15088be6970954eda4a5dfc3b30375a13295950a8fc36", kill_on_drop: false }`
[INFO] [stdout] df6e394d60f271e138b15088be6970954eda4a5dfc3b30375a13295950a8fc36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb73c45af6ac35564acd56f0c46cb8ac2731b92b2fd7e1ad7bf46815a97c0bb
[INFO] running `Command { std: "docker" "start" "-a" "0bb73c45af6ac35564acd56f0c46cb8ac2731b92b2fd7e1ad7bf46815a97c0bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[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 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)]` 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: 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)]` 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 13.14s
[INFO] running `Command { std: "docker" "inspect" "0bb73c45af6ac35564acd56f0c46cb8ac2731b92b2fd7e1ad7bf46815a97c0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb73c45af6ac35564acd56f0c46cb8ac2731b92b2fd7e1ad7bf46815a97c0bb", kill_on_drop: false }`
[INFO] [stdout] 0bb73c45af6ac35564acd56f0c46cb8ac2731b92b2fd7e1ad7bf46815a97c0bb