[INFO] cloning repository https://github.com/gl0bix/rusty_snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gl0bix/rusty_snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgl0bix%2Frusty_snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgl0bix%2Frusty_snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0e618a38b7054f73571838a75a54f188412cf47
[INFO] checking gl0bix/rusty_snake 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%2Fgl0bix%2Frusty_snake" "/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/gl0bix/rusty_snake
[INFO] finished tweaking git repo https://github.com/gl0bix/rusty_snake
[INFO] tweaked toml for git repo https://github.com/gl0bix/rusty_snake written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gl0bix/rusty_snake 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/gl0bix/rusty_snake 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: binary `rusty_snake` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../rusty_snake
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rusty-snake`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:9:8
[INFO] [stderr]    |
[INFO] [stderr]  9 - name = "rusty_snake"
[INFO] [stderr]  9 + name = "rusty-snake"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rusty-snake`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 ~ version = "0.1.0"
[INFO] [stderr] 11 + [[bin]]
[INFO] [stderr] 12 + name = "rusty-snake"
[INFO] [stderr] 13 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rusty_snake` (manifest) generated 1 warning
[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] 17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29
[INFO] running `Command { std: "docker" "start" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29", 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" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29", 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" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rusty_snake` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../rusty_snake
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rusty-snake`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:9:8
[INFO] [stderr]    |
[INFO] [stderr]  9 - name = "rusty_snake"
[INFO] [stderr]  9 + name = "rusty-snake"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rusty-snake`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 ~ version = "0.1.0"
[INFO] [stderr] 11 + [[bin]]
[INFO] [stderr] 12 + name = "rusty-snake"
[INFO] [stderr] 13 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rusty_snake` (manifest) generated 1 warning
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `Format`.
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:782:220
[INFO] [stdout]     |
[INFO] [stdout] 782 | ... ptr::null_mut::<wl_proxy>(), offset, width, height, stride, format) };
[INFO] [stdout]     |                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Format` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:782:220
[INFO] [stdout]     |
[INFO] [stdout] 782 | ... ptr::null_mut::<wl_proxy>(), offset, width, height, stride, format) };
[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 `Resize`.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3060:134
[INFO] [stdout]      |
[INFO] [stdout] 3060 | ...al, self.ptr(), WL_SHELL_SURFACE_RESIZE, seat.ptr(), serial, edges) };
[INFO] [stdout]      |                                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Resize` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3060:134
[INFO] [stdout]      |
[INFO] [stdout] 3060 | ...al, self.ptr(), WL_SHELL_SURFACE_RESIZE, seat.ptr(), serial, edges) };
[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] [stdout] error: CRATER ERROR: C-variadic argument with type `Transient`.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3080:141
[INFO] [stdout]      |
[INFO] [stdout] 3080 | ...f.ptr(), WL_SHELL_SURFACE_SET_TRANSIENT, parent.ptr(), x, y, flags) };
[INFO] [stdout]      |                                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Transient` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3080:141
[INFO] [stdout]      |
[INFO] [stdout] 3080 | ...f.ptr(), WL_SHELL_SURFACE_SET_TRANSIENT, parent.ptr(), x, y, 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] [stdout] error: CRATER ERROR: C-variadic argument with type `FullscreenMethod`.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3118:122
[INFO] [stdout]      |
[INFO] [stdout] 3118 | ...   unsafe { ffi_dispatch!(WAYLAND_CLIENT_HANDLE, wl_proxy_marshal, self.ptr(), WL_SHELL_SURFACE_SET_FULLSCREEN, method, framera...
[INFO] [stdout]      |                                                                                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `FullscreenMethod` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3118:122
[INFO] [stdout]      |
[INFO] [stdout] 3118 | ...   unsafe { ffi_dispatch!(WAYLAND_CLIENT_HANDLE, wl_proxy_marshal, self.ptr(), WL_SHELL_SURFACE_SET_FULLSCREEN, method, framera...
[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] [stdout] error: CRATER ERROR: C-variadic argument with type `Transient`.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3142:157
[INFO] [stdout]      |
[INFO] [stdout] 3142 | ...L_SURFACE_SET_POPUP, seat.ptr(), serial, parent.ptr(), x, y, flags) };
[INFO] [stdout]      |                                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Transient` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3142:157
[INFO] [stdout]      |
[INFO] [stdout] 3142 | ...L_SURFACE_SET_POPUP, seat.ptr(), serial, parent.ptr(), x, y, 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] [stdout] error: CRATER ERROR: C-variadic argument with type `Transform`.
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3678:122
[INFO] [stdout]      |
[INFO] [stdout] 3678 | ...   unsafe { ffi_dispatch!(WAYLAND_CLIENT_HANDLE, wl_proxy_marshal, self.ptr(), WL_SURFACE_SET_BUFFER_TRANSFORM, transform) };
[INFO] [stdout]      |                                                                                                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Transform` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/wayland-client/c82e72b91b99aea2/out/wayland_api.rs:3678:122
[INFO] [stdout]      |
[INFO] [stdout] 3678 | ...   unsafe { ffi_dispatch!(WAYLAND_CLIENT_HANDLE, wl_proxy_marshal, self.ptr(), WL_SURFACE_SET_BUFFER_TRANSFORM, transform) };
[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 `wayland-client` (lib) due to 6 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29", kill_on_drop: false }`
[INFO] [stdout] 17bf8249387598e08621da59491b6f05a378d4b94602e7f1c85c4241b22cfd29
