[INFO] fetching crate kou 0.1.0...
[INFO] checking kou-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate kou 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate kou 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kou 0.1.0
[INFO] tweaked toml for crates.io crate kou 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kou 0.1.0 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 kou 0.1.0 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:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | 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: `kou` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb
[INFO] running `Command { std: "docker" "start" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb", 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" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb", 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" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb" "/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:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | 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: `kou` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling cc v1.2.66
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling anyhow v1.0.103
[INFO] [stderr]     Checking rustls-pki-types v1.15.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking http v1.4.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking arrayvec v0.7.8
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]    Compiling rustls v0.23.41
[INFO] [stderr]    Compiling zerocopy v0.8.54
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling pulp v0.22.3
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking no_std_io2 v0.9.4
[INFO] [stderr]     Checking bitstream-io v4.10.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.4
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking pulp-wasm-simd-flag v0.1.1
[INFO] [stderr]     Checking imgref v1.12.2
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking regex-automata v0.4.15
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking avif-serialize v0.8.9
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking fax v0.2.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking pxfm v0.1.30
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking rustls-webpki v0.103.13
[INFO] [stderr]     Checking gif v0.14.2
[INFO] [stderr]     Checking zune-jpeg v0.5.15
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]     Checking owned_ttf_parser v0.25.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.6
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.8.54
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.25.1/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-0.25.1/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" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb", kill_on_drop: false }`
[INFO] [stdout] 895734f0bc054ec684b3ea3e48d97568ea214ad982dadf353ac74ecbfabacccb
