[INFO] fetching crate fastwebsockets-monoio 0.10.2...
[INFO] checking fastwebsockets-monoio-0.10.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate fastwebsockets-monoio 0.10.2 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate fastwebsockets-monoio 0.10.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fastwebsockets-monoio 0.10.2
[INFO] tweaked toml for crates.io crate fastwebsockets-monoio 0.10.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastwebsockets-monoio 0.10.2 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] crate crates.io crate fastwebsockets-monoio 0.10.2 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: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `fastwebsockets-monoio` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328
[INFO] running `Command { std: "docker" "start" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328", 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" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328", 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" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `fastwebsockets-monoio` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling cc v1.2.23
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking toml_write v0.1.1
[INFO] [stderr]     Checking winnow v0.7.10
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling assert2-macros v0.3.15
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking reusable-box-future v0.2.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking rustls-webpki v0.100.3
[INFO] [stderr]     Checking webpki-roots v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling auto-const-array v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking assert2 v0.3.15
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking pin-project v1.1.10
[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" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328", kill_on_drop: false }`
[INFO] [stdout] d44f8887f57e2d547379b94aa85672b3f149052cbca593fe60e68831de56b328
