[INFO] fetching crate flsignal 0.10.0...
[INFO] checking flsignal-0.10.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate flsignal 0.10.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate flsignal 0.10.0
[INFO] finished tweaking crates.io crate flsignal 0.10.0
[INFO] tweaked toml for crates.io crate flsignal 0.10.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flsignal 0.10.0 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 flsignal 0.10.0 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:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | 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: `flsignal` (manifest) generated 1 warning
[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] 41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb
[INFO] running `Command { std: "docker" "start" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb", 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" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb", 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" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb" "/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:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | 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: `flsignal` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking waitgroup v0.1.2
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking rustls-pki-types v1.13.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking asn1-rs v0.6.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking ccm v0.5.0
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rustls-native-certs v0.8.2
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking jiff v0.2.16
[INFO] [stderr]     Checking webpki-roots v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling flmacro v0.10.0
[INFO] [stderr]     Checking sdp v0.7.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling names v0.14.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking btparse v0.2.0
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling serde_with_macros v3.15.1
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking der-parser v9.0.0
[INFO] [stderr]     Checking oid-registry v0.7.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]     Checking primeorder v0.13.6
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking ct-codecs v1.1.6
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking ed25519-compact v2.1.1
[INFO] [stderr]     Checking bimap v0.6.3
[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]     Checking p384 v0.13.1
[INFO] [stderr]     Checking p256 v0.13.2
[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" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb", kill_on_drop: false }`
[INFO] [stdout] 41d09b0f4e0f3ca92da85592f52437292434794c00bc5ccb8d409ded4fd326fb
