[INFO] fetching crate icecave 0.2.0...
[INFO] checking icecave-0.2.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate icecave 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate icecave 0.2.0
[INFO] finished tweaking crates.io crate icecave 0.2.0
[INFO] tweaked toml for crates.io crate icecave 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate icecave 0.2.0 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 crates.io crate icecave 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78
[INFO] running `Command { std: "docker" "start" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78", 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" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78", 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" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]     Checking base64ct v1.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking pretty v0.12.5
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking bls12_381 v0.7.1
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking rangemap v1.6.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling psm v0.1.27
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking ic-verify-bls-signature v0.1.0
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking primeorder v0.13.6
[INFO] [stderr]     Checking p256 v0.13.2
[INFO] [stderr]     Checking k256 v0.13.4
[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" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78", kill_on_drop: false }`
[INFO] [stdout] 224748a6e21a588e4931be07eac9bd3f7b80deed96fc9518147c07af0a4c0d78
