[INFO] fetching crate hyper-mcp-proxy 0.3.5...
[INFO] checking hyper-mcp-proxy-0.3.5 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate hyper-mcp-proxy 0.3.5 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate hyper-mcp-proxy 0.3.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate hyper-mcp-proxy 0.3.5
[INFO] tweaked toml for crates.io crate hyper-mcp-proxy 0.3.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hyper-mcp-proxy 0.3.5 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 hyper-mcp-proxy 0.3.5 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:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | homepage = "https://github.com/hyper-mcp-rs/hyper-mcp-proxy"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 | repository = "https://github.com/hyper-mcp-rs/hyper-mcp-proxy"
[INFO] [stderr]    |              -------------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `hyper-mcp-proxy` (manifest) generated 2 warnings
[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] 1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1
[INFO] running `Command { std: "docker" "start" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1", 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" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1", 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" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1" "/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:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | homepage = "https://github.com/hyper-mcp-rs/hyper-mcp-proxy"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 | repository = "https://github.com/hyper-mcp-rs/hyper-mcp-proxy"
[INFO] [stderr]    |              -------------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `hyper-mcp-proxy` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]    Compiling aws-lc-rs v1.17.1
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]     Checking http v1.4.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking rustls-pki-types v1.15.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling rustls v0.23.42
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling cc v1.2.67
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking http-body v1.1.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking http-body-util v0.1.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking openssl-probe v0.2.1
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking chacha20 v0.10.1
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling anyhow v1.0.103
[INFO] [stderr]    Compiling rmcp v2.2.0
[INFO] [stderr]    Compiling aws-lc-sys v0.42.0
[INFO] [stderr]     Checking clap_builder v4.6.2
[INFO] [stderr]     Checking regex-automata v0.4.16
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[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] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             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-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1", kill_on_drop: false }`
[INFO] [stdout] 1d65b7dd51ec781dd9661c2092f1dde66ee8231d4f5e945600751bd010f332f1
