[INFO] cloning repository https://github.com/fandyajpo/syncara
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fandyajpo/syncara" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffandyajpo%2Fsyncara", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffandyajpo%2Fsyncara'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1597481cb6fa2fde7bc6568e6db4d6860665572
[INFO] checking fandyajpo/syncara against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffandyajpo%2Fsyncara" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fandyajpo/syncara
[INFO] finished tweaking git repo https://github.com/fandyajpo/syncara
[INFO] tweaked toml for git repo https://github.com/fandyajpo/syncara written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fandyajpo/syncara 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 git repo https://github.com/fandyajpo/syncara 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: unused workspace dependency `tracing-appender`
[INFO] [stderr]   --> Cargo.toml:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | tracing-appender = "0.2"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `tracing-appender`
[INFO] [stderr] warning: unused field `authors` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | authors = ["Syncara Contributors"]
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_package_fields` is set to `warn` by default
[INFO] [stderr] help: consider removing the field `workspace.package.authors`
[INFO] [stderr] warning: unused field `edition` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | edition = "2021"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the field `workspace.package.edition`
[INFO] [stderr] warning: unused field `license` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | license = "MIT"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the field `workspace.package.license`
[INFO] [stderr] warning: workspace (manifest) generated 4 warnings
[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] 797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c
[INFO] running `Command { std: "docker" "start" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c", 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" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c", 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" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `tracing-appender`
[INFO] [stderr]   --> Cargo.toml:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | tracing-appender = "0.2"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `tracing-appender`
[INFO] [stderr] warning: unused field `authors` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | authors = ["Syncara Contributors"]
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_package_fields` is set to `warn` by default
[INFO] [stderr] help: consider removing the field `workspace.package.authors`
[INFO] [stderr] warning: unused field `edition` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | edition = "2021"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the field `workspace.package.edition`
[INFO] [stderr] warning: unused field `license` in `workspace.package`
[INFO] [stderr]   --> Cargo.toml:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | license = "MIT"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the field `workspace.package.license`
[INFO] [stderr] warning: workspace (manifest) generated 4 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling zerocopy v0.8.49
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking log v0.4.30
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking http v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]     Checking rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]    Compiling aws-lc-rs v1.17.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]    Compiling procfs v0.16.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking procfs-core v0.16.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking data-encoding v2.11.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking dashmap v6.2.1
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling symbolic-demangle v12.18.3
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]    Compiling aws-lc-sys v0.41.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking symbolic-common v12.18.3
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking webpki-roots v1.0.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking str_stack v0.1.1
[INFO] [stderr]    Compiling pprof v0.14.1
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking xattr v1.6.1
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking tar v0.4.46
[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" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c", kill_on_drop: false }`
[INFO] [stdout] 797293142bef22597e012b4fcee7369984a6af37dd1595c9e862169d72bdb12c
