[INFO] cloning repository https://github.com/nmp2605/chip8rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmp2605/chip8rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmp2605%2Fchip8rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmp2605%2Fchip8rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef4f58b07a839cdaae83706beb7e9ebd6530d3bb
[INFO] checking nmp2605/chip8rs 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%2Fnmp2605%2Fchip8rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nmp2605/chip8rs
[INFO] finished tweaking git repo https://github.com/nmp2605/chip8rs
[INFO] tweaked toml for git repo https://github.com/nmp2605/chip8rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nmp2605/chip8rs 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/nmp2605/chip8rs 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22
[INFO] running `Command { std: "docker" "start" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22", 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" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22", 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" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v1.2.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling minifb v0.23.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.22.3/src/unistd.rs:853:56
[INFO] [stdout]     |
[INFO] [stdout] 853 |                       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-0.22.3/src/unistd.rs:853:56
[INFO] [stdout]     |
[INFO] [stdout] 853 |                       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" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22", kill_on_drop: false }`
[INFO] [stdout] fd9e70baf7d7b65082a208c14e2a9dafe447cc6b273dc26eea296d3365635f22
