[INFO] cloning repository https://github.com/adamagatt/marching_squares_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamagatt/marching_squares_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamagatt%2Fmarching_squares_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamagatt%2Fmarching_squares_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d210ede588bcbda68c9f217b38d961123907b04
[INFO] checking adamagatt/marching_squares_rust 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%2Fadamagatt%2Fmarching_squares_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adamagatt/marching_squares_rust
[INFO] finished tweaking git repo https://github.com/adamagatt/marching_squares_rust
[INFO] tweaked toml for git repo https://github.com/adamagatt/marching_squares_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adamagatt/marching_squares_rust 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/adamagatt/marching_squares_rust 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 `marching_squares_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../marching_squares_rust
[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 `marching-squares-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "marching_squares_rust"
[INFO] [stderr] 10 + name = "marching-squares-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `marching-squares-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "marching-squares-rust"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `marching_squares_rust` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e
[INFO] running `Command { std: "docker" "start" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e", 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" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e", 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" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `marching_squares_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../marching_squares_rust
[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 `marching-squares-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "marching_squares_rust"
[INFO] [stderr] 10 + name = "marching-squares-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `marching-squares-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "marching-squares-rust"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `marching_squares_rust` (manifest) generated 1 warning
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       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-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       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" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e", kill_on_drop: false }`
[INFO] [stdout] cf60b7bd5b55f1f9a69a0818a0a0443f72f9ac66c9ba3ba2b43ef53612f9f65e
