[INFO] fetching crate libp2p-community-tor 0.4.1...
[INFO] checking libp2p-community-tor-0.4.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate libp2p-community-tor 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libp2p-community-tor 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libp2p-community-tor 0.4.1
[INFO] tweaked toml for crates.io crate libp2p-community-tor 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libp2p-community-tor 0.4.1 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 crates.io crate libp2p-community-tor 0.4.1 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: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `libp2p-community-tor` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643
[INFO] running `Command { std: "docker" "start" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643", 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" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643", 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" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `libp2p-community-tor` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking memchr v2.7.4
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[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking sanitize-filename v0.5.0
[INFO] [stderr]    Compiling zstd-safe v7.2.1
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[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
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[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking shellexpand v3.1.0
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking bounded-vec-deque v0.1.1
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking ipnet v2.10.1
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking inventory v0.3.15
[INFO] [stderr]     Checking glob-match v0.2.1
[INFO] [stderr]     Checking hostname-validator v1.1.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling amplify_syn v2.0.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       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-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       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]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling amplify_derive v4.0.1
[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" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643", kill_on_drop: false }`
[INFO] [stdout] 44170dfb7b78f53c1abc4b79db09257ec804577d8948a1d6f5781b6bcc5c2643
