[INFO] fetching crate vyn-core 0.1.4...
[INFO] checking vyn-core-0.1.4 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate vyn-core 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vyn-core 0.1.4
[INFO] finished tweaking crates.io crate vyn-core 0.1.4
[INFO] tweaked toml for crates.io crate vyn-core 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vyn-core 0.1.4 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 vyn-core 0.1.4 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:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | 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: `vyn-core` (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] c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e
[INFO] running `Command { std: "docker" "start" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e", 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" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e", 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" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e" "/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:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | 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: `vyn-core` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking time-core v0.1.8
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking num-conv v0.2.1
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling aws-lc-rs v1.16.2
[INFO] [stderr]     Checking const-str v0.4.3
[INFO] [stderr]     Checking multihash v0.19.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking openssl-probe v0.2.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling aws-types v1.3.14
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking netlink-packet-core v0.8.1
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling type-map v0.5.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.39.1
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]     Checking regex-lite v0.1.9
[INFO] [stderr]    Compiling self_cell v1.2.2
[INFO] [stderr]    Compiling self_cell v0.10.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking netlink-packet-route v0.28.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling rust-embed-utils v8.11.0
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling protoc-bin-vendored-macos-aarch_64 v3.2.0
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]     Checking aws-smithy-xml v0.60.15
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-ppcle_64 v3.2.0
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-x86_64 v3.2.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-aarch_64 v3.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling protoc-bin-vendored-win32 v3.2.0
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-x86_32 v3.2.0
[INFO] [stderr]    Compiling prometheus-client v0.22.3
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling protoc-bin-vendored-macos-x86_64 v3.2.0
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-s390_64 v3.2.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling protoc-bin-vendored v3.2.0
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]     Checking crc-fast v1.9.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking polyval v0.6.2
[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-2.0.117/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=38efe9c620ca8d0f -C extra-filename=-4fb9c63831478b1b --out-dir /opt/rustwide/target/debug/build/syn/4fb9c63831478b1b/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/8de8e1b8418f28f4/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/a0e7040ffc91db0d/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/8de8e1b8418f28f4/out/libproc_macro2-8de8e1b8418f28f4.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/24cbe51d23129fd2/out/libquote-24cbe51d23129fd2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/a0e7040ffc91db0d/out/libunicode_ident-a0e7040ffc91db0d.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] [stderr] error: could not compile `zerocopy` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/40527f3e444fde1deb361751bdef9b9e11d1b971/bin/rustc --crate-name zerocopy --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.48/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="simd"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("__internal_use_only_features_that_work_on_stable", "alloc", "derive", "float-nightly", "simd", "simd-nightly", "std", "zerocopy-derive"))' -C metadata=ec31044ba35aed5b -C extra-filename=-42f301af4c26e4d4 --out-dir /opt/rustwide/target/debug/build/zerocopy/42f301af4c26e4d4/out --cap-lints allow --cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments --force-warn=unused_crate_dependencies --check-cfg 'cfg(no_zerocopy_simd_x86_avx12_1_89_0)' --check-cfg 'cfg(rust, values("1.89.0"))' --check-cfg 'cfg(no_zerocopy_core_error_1_81_0)' --check-cfg 'cfg(rust, values("1.81.0"))' --check-cfg 'cfg(no_zerocopy_diagnostic_on_unimplemented_1_78_0)' --check-cfg 'cfg(rust, values("1.78.0"))' --check-cfg 'cfg(no_zerocopy_generic_bounds_in_const_fn_1_61_0)' --check-cfg 'cfg(rust, values("1.61.0"))' --check-cfg 'cfg(no_zerocopy_target_has_atomics_1_60_0)' --check-cfg 'cfg(rust, values("1.60.0"))' --check-cfg 'cfg(no_zerocopy_aarch64_simd_1_59_0)' --check-cfg 'cfg(rust, values("1.59.0"))' --check-cfg 'cfg(no_zerocopy_aarch64_simd_be_1_87_0)' --check-cfg 'cfg(rust, values("1.87.0"))' --check-cfg 'cfg(no_zerocopy_panic_in_const_and_vec_try_reserve_1_57_0)' --check-cfg 'cfg(rust, values("1.57.0"))' --check-cfg 'cfg(doc_cfg)' --check-cfg 'cfg(kani)' --check-cfg 'cfg(__ZEROCOPY_INTERNAL_USE_ONLY_NIGHTLY_FEATURES_IN_TESTS)' --check-cfg 'cfg(__ZEROCOPY_INTERNAL_USE_ONLY_DEV_MODE)' --check-cfg 'cfg(coverage_nightly)' --check-cfg 'cfg(zerocopy_inline_always)'` (signal: 9, SIGKILL: kill)
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.30.1/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.30.1/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[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] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.30.1/src/unistd.rs:1233:13
[INFO] [stdout]      |
[INFO] [stdout] 1233 |             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-0.30.1/src/unistd.rs:1233:13
[INFO] [stdout]      |
[INFO] [stdout] 1233 |             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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e", kill_on_drop: false }`
[INFO] [stdout] c827ac82fd726f5ffca391d0ce7dc831ed7c6b72bc622305ec0761fcf2d76a5e
