[INFO] fetching crate pyluwen 0.5.2...
[INFO] checking pyluwen-0.5.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate pyluwen 0.5.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pyluwen 0.5.2
[INFO] finished tweaking crates.io crate pyluwen 0.5.2
[INFO] tweaked toml for crates.io crate pyluwen 0.5.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyluwen 0.5.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to highest compatible versions
[INFO] [stderr]       Adding luwen-core v0.1.0 (available: v0.2.1)
[INFO] [stderr]       Adding pyo3 v0.19.2 (available: v0.29.2)
[INFO] [stderr]       Adding ttkmd-if v0.1.0 (available: v0.2.3)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e
[INFO] running `Command { std: "docker" "start" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e", 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" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e", 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" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling cpufeatures v0.3.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]     Checking sha2 v0.11.0
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-embed-utils v8.12.0
[INFO] [stderr]    Compiling bitfield-struct v0.4.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking luwen-core v0.1.0
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]    Compiling hybrid-array v0.4.15
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling block-buffer v0.12.1
[INFO] [stderr]    Compiling crypto-common v0.2.2
[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] running `Command { std: "docker" "inspect" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e", kill_on_drop: false }`
[INFO] [stdout] 0fbc2ccd2998b214eb7683c5b8bdd391050663e547329751ed25749bd143820e
