[INFO] fetching crate kast 0.1.0...
[INFO] checking kast-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate kast 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate kast 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kast 0.1.0
[INFO] tweaked toml for crates.io crate kast 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kast 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 kast 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:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | 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: `kast` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139
[INFO] running `Command { std: "docker" "start" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139", 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" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139", 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" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139" "/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:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | 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: `kast` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling cc v1.1.22
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking futures-micro v0.5.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking async-oneshot v0.5.9
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking pad-adapter v0.1.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking async-notify v0.3.0
[INFO] [stderr]     Checking include_dir v0.7.4
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking anymap3 v1.0.1
[INFO] [stderr]     Checking kast-refmap v0.1.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.28.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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-0.28.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139", kill_on_drop: false }`
[INFO] [stdout] 384af1b92284e2a5496ade4497622564723c2d814a6e23012113b55baafdc139
