[INFO] fetching crate tw 0.1.0...
[INFO] checking tw-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate tw 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tw 0.1.0
[INFO] finished tweaking crates.io crate tw 0.1.0
[INFO] tweaked toml for crates.io crate tw 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tw 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 tw 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:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | 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: `tw` (manifest) generated 1 warning
[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] 051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf
[INFO] running `Command { std: "docker" "start" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf", 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" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf", 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" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf" "/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:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | 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: `tw` (manifest) generated 1 warning
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking bytemuck v1.17.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cc v1.1.13
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking indexmap v2.4.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking flate2 v1.0.32
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking bitstream-io v2.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking imgref v1.10.1
[INFO] [stderr]     Checking wide v0.7.28
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking rgb v0.8.48
[INFO] [stderr]     Checking avif-serialize v0.8.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking ttf-parser v0.24.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking zune-jpeg v0.4.13
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking image-webp v0.1.3
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking clap_builder v4.5.15
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking owned_ttf_parser v0.24.0
[INFO] [stderr]     Checking ab_glyph v0.2.28
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[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] 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" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf", kill_on_drop: false }`
[INFO] [stdout] 051774704a176cfd2b7d7a7b396fbeae46da74feaccec4e1c9cf01152b9211bf
