[INFO] cloning repository https://github.com/tarcisiopgs/rinha-backend-2026
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarcisiopgs/rinha-backend-2026" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarcisiopgs%2Frinha-backend-2026", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarcisiopgs%2Frinha-backend-2026'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f5edbf0305239b6eda80295316a503482af71dc
[INFO] checking tarcisiopgs/rinha-backend-2026 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarcisiopgs%2Frinha-backend-2026" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tarcisiopgs/rinha-backend-2026
[INFO] finished tweaking git repo https://github.com/tarcisiopgs/rinha-backend-2026
[INFO] tweaked toml for git repo https://github.com/tarcisiopgs/rinha-backend-2026 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tarcisiopgs/rinha-backend-2026 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tarcisiopgs/rinha-backend-2026 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `ahash`
[INFO] [stderr]   --> Cargo.toml:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 | [workspace.dependencies.ahash]
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `ahash`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1
[INFO] running `Command { std: "docker" "start" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1", 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" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1", 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 --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `ahash`
[INFO] [stderr]   --> Cargo.toml:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 | [workspace.dependencies.ahash]
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `ahash`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling auto-const-array v0.2.2
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/crates/common)
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking tokio v1.52.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking preprocess v0.1.0 (/opt/rustwide/workdir/crates/preprocess)
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused dependency `bytes`
[INFO] [stderr]   --> crates/common/Cargo.toml:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | bytes.workspace = true
[INFO] [stderr]    | ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `bytes`
[INFO] [stderr] warning: `common` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1", kill_on_drop: false }`
[INFO] [stdout] 4b5ffc72652356b1d934675e63915212afb431254daf3b2bb22a4ac83d1386b1
