[INFO] cloning repository https://github.com/lupin-de-mid/libp2p-rust-chat6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lupin-de-mid/libp2p-rust-chat6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupin-de-mid%2Flibp2p-rust-chat6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupin-de-mid%2Flibp2p-rust-chat6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 349a366ed936e64614a2ba773f9a9e96b9983ac0
[INFO] checking lupin-de-mid/libp2p-rust-chat6 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%2Flupin-de-mid%2Flibp2p-rust-chat6" "/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/lupin-de-mid/libp2p-rust-chat6
[INFO] finished tweaking git repo https://github.com/lupin-de-mid/libp2p-rust-chat6
[INFO] tweaked toml for git repo https://github.com/lupin-de-mid/libp2p-rust-chat6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lupin-de-mid/libp2p-rust-chat6 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/lupin-de-mid/libp2p-rust-chat6 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-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] 3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c
[INFO] running `Command { std: "docker" "start" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c", 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" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c", 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" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.13
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.15
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling prometheus-client v0.22.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking lru v0.12.3
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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-0.24.3/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c", kill_on_drop: false }`
[INFO] [stdout] 3150f7940d65691ef76c9275241efec4d94eb4fc56260e1958b935cfacd1587c
