[INFO] fetching crate k 0.32.0...
[INFO] checking k-0.32.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate k 0.32.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate k 0.32.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate k 0.32.0
[INFO] tweaked toml for crates.io crate k 0.32.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate k 0.32.0 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 k 0.32.0 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] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | 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: `k` (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] aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9
[INFO] running `Command { std: "docker" "start" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9", 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" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9", 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" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9" "/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:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | 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: `k` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking xcursor v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking wide v0.7.28
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking clap_builder v4.5.17
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking RustyXML v0.3.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/40527f3e444fde1deb361751bdef9b9e11d1b971/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.77/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=de746f86ae21efd1 -C extra-filename=-8e4709b3a7ce712f --out-dir /opt/rustwide/target/debug/build/syn/8e4709b3a7ce712f/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/8d0df593fbd794cf/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/16b7fcdea42d35b9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/8d0df593fbd794cf/out/libproc_macro2-8d0df593fbd794cf.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/2ea69ed520215cea/out/libquote-2ea69ed520215cea.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/16b7fcdea42d35b9/out/libunicode_ident-16b7fcdea42d35b9.rmeta --cap-lints allow --cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.18.0/src/unistd.rs:853:56
[INFO] [stdout]     |
[INFO] [stdout] 853 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.20.0/src/unistd.rs:854:56
[INFO] [stdout]     |
[INFO] [stdout] 854 |                       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-0.20.0/src/unistd.rs:854:56
[INFO] [stdout]     |
[INFO] [stdout] 854 |                       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] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.18.0/src/unistd.rs:853:56
[INFO] [stdout]     |
[INFO] [stdout] 853 |                       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] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9", kill_on_drop: false }`
[INFO] [stdout] aa1bfdd8f765a3ceec28f19261489c191646d40e6dbef1d3ee66c7591106f3c9
