[INFO] fetching crate kscaleos 0.1.0...
[INFO] checking kscaleos-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate kscaleos 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kscaleos 0.1.0
[INFO] finished tweaking crates.io crate kscaleos 0.1.0
[INFO] tweaked toml for crates.io crate kscaleos 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kscaleos 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 kscaleos 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:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | 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: unused build dependency `tonic-build`
[INFO] [stderr]  --> Cargo.toml:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | [build-dependencies.tonic-build]
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `tonic-build`
[INFO] [stderr] warning: `kscaleos` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681
[INFO] running `Command { std: "docker" "start" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681", 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" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681", 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" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681" "/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:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | 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: unused build dependency `tonic-build`
[INFO] [stderr]  --> Cargo.toml:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | [build-dependencies.tonic-build]
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `tonic-build`
[INFO] [stderr] warning: `kscaleos` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking hashbrown v0.15.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.9
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking prost v0.13.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking spin_sleep v1.2.1
[INFO] [stderr]     Checking anstream v0.6.17
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking tower v0.5.1
[INFO] [stderr]     Checking tower-http v0.5.2
[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-0.29.0/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-0.29.0/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-0.29.0/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-0.29.0/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] 
[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] [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] running `Command { std: "docker" "inspect" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681", kill_on_drop: false }`
[INFO] [stdout] 5fa1a18e24361fcb844e59bc67d2e52102951bb5962198e60c740e86014bd681
