[INFO] cloning repository https://github.com/postrv/penrose-tiles-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/postrv/penrose-tiles-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostrv%2Fpenrose-tiles-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostrv%2Fpenrose-tiles-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4b5af45d082f0d2b6a01f616dafa15f0c84a3ba
[INFO] checking postrv/penrose-tiles-2 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%2Fpostrv%2Fpenrose-tiles-2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/postrv/penrose-tiles-2
[INFO] finished tweaking git repo https://github.com/postrv/penrose-tiles-2
[INFO] tweaked toml for git repo https://github.com/postrv/penrose-tiles-2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/postrv/penrose-tiles-2 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/postrv/penrose-tiles-2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003
[INFO] running `Command { std: "docker" "start" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003", 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" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003", 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" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking tiny-skia-path v0.11.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking tiny-skia-path v0.8.4
[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking roxmltree v0.18.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking svgtypes v0.12.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking rctree v0.5.0
[INFO] [stderr]     Checking exr v1.71.0
[INFO] [stderr]     Checking usvg-tree v0.36.0
[INFO] [stderr]     Checking tiny-skia v0.8.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking owned_ttf_parser v0.20.0
[INFO] [stderr]     Checking ab_glyph v0.2.23
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking memmap2 v0.8.0
[INFO] [stderr]     Checking mio v0.8.9
[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 fontconfig-parser v0.5.3
[INFO] [stderr]     Checking qoi v0.4.1
[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" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003", kill_on_drop: false }`
[INFO] [stdout] e5755cb5479111709b2f97026ea539ad891709bcbf357dcb24ab3ff846997003
