[INFO] fetching crate bw_verifier 0.3.1...
[INFO] checking bw_verifier-0.3.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate bw_verifier 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bw_verifier 0.3.1
[INFO] finished tweaking crates.io crate bw_verifier 0.3.1
[INFO] tweaked toml for crates.io crate bw_verifier 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bw_verifier 0.3.1 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 bw_verifier 0.3.1 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:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | 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: binary `bw_verifier` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../bw_verifier
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `bw-verifier`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "bw_verifier"
[INFO] [stderr] 2 + name = "bw-verifier"
[INFO] [stderr]   |
[INFO] [stderr] warning: `bw_verifier` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01
[INFO] running `Command { std: "docker" "start" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01", 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" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01", 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" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01" "/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:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | 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: binary `bw_verifier` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../bw_verifier
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `bw-verifier`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "bw_verifier"
[INFO] [stderr] 2 + name = "bw-verifier"
[INFO] [stderr]   |
[INFO] [stderr] warning: `bw_verifier` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling cc v1.1.36
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.17
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling lexical-core v0.6.8
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.68
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling lexical v4.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling curl-sys v0.4.78+curl-8.11.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking whoami v1.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling mysql v18.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking version_check v0.9.5
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.83
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=f50c6c5d0e6a4b78 -C extra-filename=-9f8d9d38329cbd22 --out-dir /opt/rustwide/target/debug/build/syn/9f8d9d38329cbd22/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/43c2864c0b750f7d/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/c399c7dfd0614100/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/43c2864c0b750f7d/out/libproc_macro2-43c2864c0b750f7d.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/70dd1d690b83e25c/out/libquote-70dd1d690b83e25c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/c399c7dfd0614100/out/libunicode_ident-c399c7dfd0614100.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-0.17.0/src/unistd.rs:833:56
[INFO] [stdout]     |
[INFO] [stdout] 833 |                       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-0.17.0/src/unistd.rs:833:56
[INFO] [stdout]     |
[INFO] [stdout] 833 |                       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] running `Command { std: "docker" "inspect" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01", kill_on_drop: false }`
[INFO] [stdout] 616db9d96aaf9ecea1740f0f62f0033410f82c4e7ab4b78a4fc8c02287ac7d01
