[INFO] cloning repository https://github.com/ineiti/webrtc-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ineiti/webrtc-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fineiti%2Fwebrtc-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fineiti%2Fwebrtc-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa125d7c746af5fac3ed2180a4307e2d2beb2526
[INFO] checking ineiti/webrtc-test 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%2Fineiti%2Fwebrtc-test" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ineiti/webrtc-test
[INFO] finished tweaking git repo https://github.com/ineiti/webrtc-test
[INFO] tweaked toml for git repo https://github.com/ineiti/webrtc-test written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ineiti/webrtc-test 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/ineiti/webrtc-test 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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427
[INFO] running `Command { std: "docker" "start" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427", 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" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427", 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" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]    Compiling webrtc-util v0.5.3
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]    Compiling zeroize_derive v1.3.1
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.23.1/src/unistd.rs:855:56
[INFO] [stdout]     |
[INFO] [stdout] 855 |                       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-0.23.1/src/unistd.rs:855:56
[INFO] [stdout]     |
[INFO] [stdout] 855 |                       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" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427", kill_on_drop: false }`
[INFO] [stdout] 1c9fc5026d04eb79ef5bb7e057137afbb2c425e549f95e4fe97153c84af7f427
