[INFO] cloning repository https://github.com/mikolajjuda/wgpu-egui-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikolajjuda/wgpu-egui-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikolajjuda%2Fwgpu-egui-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikolajjuda%2Fwgpu-egui-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0672fe8d08698cf6638b9a2bd16e6a1c28b85a9c
[INFO] checking mikolajjuda/wgpu-egui-example 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%2Fmikolajjuda%2Fwgpu-egui-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mikolajjuda/wgpu-egui-example
[INFO] finished tweaking git repo https://github.com/mikolajjuda/wgpu-egui-example
[INFO] tweaked toml for git repo https://github.com/mikolajjuda/wgpu-egui-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mikolajjuda/wgpu-egui-example 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/mikolajjuda/wgpu-egui-example 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20
[INFO] running `Command { std: "docker" "start" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20", 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" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20", 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" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cc v1.2.23
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking libloading v0.8.7
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking xcursor v0.3.8
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling crossfont v0.5.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling wgpu-core v0.14.2
[INFO] [stderr]     Checking gpu-alloc v0.5.4
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking wgpu-types v0.14.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking profiling v1.0.16
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking x11rb-protocol v0.13.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking type-map v0.5.0
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking owned_ttf_parser v0.25.0
[INFO] [stderr]     Checking ab_glyph v0.2.29
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.25.1/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-0.25.1/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]     Checking wayland-commons v0.29.5
[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" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20", kill_on_drop: false }`
[INFO] [stdout] 168d3e029cd834c52f7e292581159db099834badb66c9dd8ed34980a93098f20
