[INFO] fetching crate paho-mqtt 0.14.0...
[INFO] checking paho-mqtt-0.14.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate paho-mqtt 0.14.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate paho-mqtt 0.14.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate paho-mqtt 0.14.0
[INFO] tweaked toml for crates.io crate paho-mqtt 0.14.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate paho-mqtt 0.14.0 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 paho-mqtt 0.14.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874
[INFO] running `Command { std: "docker" "start" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874", 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" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874", 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" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling paho-mqtt-sys v0.11.0
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking async-fs v2.2.0
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.27.1/src/unistd.rs:961:13
[INFO] [stdout]     |
[INFO] [stdout] 961 |             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-0.27.1/src/unistd.rs:961:13
[INFO] [stdout]     |
[INFO] [stdout] 961 |             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" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874", kill_on_drop: false }`
[INFO] [stdout] 1111c0180f1990cef56f1b7a70f7de041ee239919ece8975df1751b6a4341874
