[INFO] cloning repository https://github.com/peerhenry/rust_hello_triangle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peerhenry/rust_hello_triangle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeerhenry%2Frust_hello_triangle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeerhenry%2Frust_hello_triangle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 776cd13d326da862c3062e7752d0289af0adcc50
[INFO] checking peerhenry/rust_hello_triangle 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%2Fpeerhenry%2Frust_hello_triangle" "/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/peerhenry/rust_hello_triangle
[INFO] finished tweaking git repo https://github.com/peerhenry/rust_hello_triangle
[INFO] tweaked toml for git repo https://github.com/peerhenry/rust_hello_triangle written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/peerhenry/rust_hello_triangle 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/peerhenry/rust_hello_triangle 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] 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] 074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5
[INFO] running `Command { std: "docker" "start" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5", 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" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5", 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" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking cgmath v0.15.0
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[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/lib/engine)
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> lib/engine/src/shader_program.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> lib/engine/src/shader_program.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut bufSize = 1;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     GL_FLOAT => return TypeId::of::<GLfloat>(),
[INFO] [stdout]     |     -------- matches any value
[INFO] [stdout] 140 |     GL_FLOAT_MAT4 => return TypeId::of::<Matrix4<GLfloat>>(),
[INFO] [stdout]     |     ^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     GL_FLOAT => return TypeId::of::<GLfloat>(),
[INFO] [stdout]     |     -------- matches any value
[INFO] [stdout] 140 |     GL_FLOAT_MAT4 => return TypeId::of::<Matrix4<GLfloat>>(),
[INFO] [stdout] 141 |     _ => panic!("gl type not recognized: {}", gl_type)
[INFO] [stdout]     |     ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `GL_FLOAT`
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     GL_FLOAT => return TypeId::of::<GLfloat>(),
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_GL_FLOAT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `GL_FLOAT_MAT4`
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     GL_FLOAT_MAT4 => return TypeId::of::<Matrix4<GLfloat>>(),
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_GL_FLOAT_MAT4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:253:24
[INFO] [stdout]     |
[INFO] [stdout] 253 |   unsafe fn set(&self, value: T) {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `gl_type` is never read
[INFO] [stdout]   --> lib/engine/src/shader_program.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Uniform {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 41 |   location: GLint,
[INFO] [stdout] 42 |   gl_type: GLenum
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Uniform` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_required_type_id` is never used
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn get_required_type_id(gl_type: GLenum) -> TypeId {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bufSize` should have a snake case name
[INFO] [stdout]   --> lib/engine/src/shader_program.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut bufSize = 1;
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `buf_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `GL_FLOAT` should have a snake case name
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     GL_FLOAT => return TypeId::of::<GLfloat>(),
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to snake case: `gl_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `GL_FLOAT_MAT4` should have a snake case name
[INFO] [stdout]    --> lib/engine/src/shader_program.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     GL_FLOAT_MAT4 => return TypeId::of::<Matrix4<GLfloat>>(),
[INFO] [stdout]     |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `gl_float_mat4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `Format`.
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/wayland-client/a68063f6c98cfadf/out/wayland_api.rs:671:220
[INFO] [stdout]     |
[INFO] [stdout] 671 | ... 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/a68063f6c98cfadf/out/wayland_api.rs:671:220
[INFO] [stdout]     |
[INFO] [stdout] 671 | ... 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/a68063f6c98cfadf/out/wayland_api.rs:2537:134
[INFO] [stdout]      |
[INFO] [stdout] 2537 | ...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/a68063f6c98cfadf/out/wayland_api.rs:2537:134
[INFO] [stdout]      |
[INFO] [stdout] 2537 | ...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/a68063f6c98cfadf/out/wayland_api.rs:2557:141
[INFO] [stdout]      |
[INFO] [stdout] 2557 | ...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/a68063f6c98cfadf/out/wayland_api.rs:2557:141
[INFO] [stdout]      |
[INFO] [stdout] 2557 | ...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/a68063f6c98cfadf/out/wayland_api.rs:2595:122
[INFO] [stdout]      |
[INFO] [stdout] 2595 | ...   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/a68063f6c98cfadf/out/wayland_api.rs:2595:122
[INFO] [stdout]      |
[INFO] [stdout] 2595 | ...   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/a68063f6c98cfadf/out/wayland_api.rs:2619:157
[INFO] [stdout]      |
[INFO] [stdout] 2619 | ...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/a68063f6c98cfadf/out/wayland_api.rs:2619:157
[INFO] [stdout]      |
[INFO] [stdout] 2619 | ...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/a68063f6c98cfadf/out/wayland_api.rs:3106:122
[INFO] [stdout]      |
[INFO] [stdout] 3106 | ...   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/a68063f6c98cfadf/out/wayland_api.rs:3106:122
[INFO] [stdout]      |
[INFO] [stdout] 3106 | ...   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] running `Command { std: "docker" "inspect" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5", kill_on_drop: false }`
[INFO] [stdout] 074530146bed3b61374a1c8cc38dd3cbe856ed7d865a4ed7f5f0ab3be1abc5a5
