[INFO] fetching crate kona-rpc 0.3.2...
[INFO] checking kona-rpc-0.3.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate kona-rpc 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kona-rpc 0.3.2
[INFO] finished tweaking crates.io crate kona-rpc 0.3.2
[INFO] tweaked toml for crates.io crate kona-rpc 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kona-rpc 0.3.2 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 kona-rpc 0.3.2 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: Cargo.toml: `lints.clippy.missing-const-for-fn` is deprecated in favor of `lints.clippy.missing_const_for_fn` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.option-if-let-else` is deprecated in favor of `lints.clippy.option_if_let_else` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.redundant-clone` is deprecated in favor of `lints.clippy.redundant_clone` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.use-self` is deprecated in favor of `lints.clippy.use_self` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.missing-debug-implementations` is deprecated in favor of `lints.rust.missing_debug_implementations` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.missing-docs` is deprecated in favor of `lints.rust.missing_docs` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.rust-2018-idioms` is deprecated in favor of `lints.rust.rust_2018_idioms` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unnameable-types` is deprecated in favor of `lints.rust.unnameable_types` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unreachable-pub` is deprecated in favor of `lints.rust.unreachable_pub` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-must-use` is deprecated in favor of `lints.rust.unused_must_use` and will not work in a future edition
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:159:1
[INFO] [stderr]     |
[INFO] [stderr] 159 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | homepage = "https://github.com/op-rs/kona"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | repository = "https://github.com/op-rs/kona"
[INFO] [stderr]     |              -------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `kona-rpc` (manifest) generated 12 warnings
[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] 99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1
[INFO] running `Command { std: "docker" "start" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1", 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" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1", 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" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.missing-const-for-fn` is deprecated in favor of `lints.clippy.missing_const_for_fn` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.option-if-let-else` is deprecated in favor of `lints.clippy.option_if_let_else` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.redundant-clone` is deprecated in favor of `lints.clippy.redundant_clone` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.use-self` is deprecated in favor of `lints.clippy.use_self` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.missing-debug-implementations` is deprecated in favor of `lints.rust.missing_debug_implementations` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.missing-docs` is deprecated in favor of `lints.rust.missing_docs` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.rust-2018-idioms` is deprecated in favor of `lints.rust.rust_2018_idioms` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unnameable-types` is deprecated in favor of `lints.rust.unnameable_types` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unreachable-pub` is deprecated in favor of `lints.rust.unreachable_pub` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-must-use` is deprecated in favor of `lints.rust.unused_must_use` and will not work in a future edition
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:159:1
[INFO] [stderr]     |
[INFO] [stderr] 159 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | homepage = "https://github.com/op-rs/kona"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 | repository = "https://github.com/op-rs/kona"
[INFO] [stderr]     |              -------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `kona-rpc` (manifest) generated 12 warnings
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling alloy-rlp-derive v0.3.12
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking serdect v0.2.0
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling const-hex v1.14.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking alloy-rlp v0.3.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ruint v1.15.0
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking k256 v0.13.4
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking alloy-primitives v1.3.0
[INFO] [stderr]    Compiling auto_impl v1.3.0
[INFO] [stderr]    Compiling syn-solidity v1.3.0
[INFO] [stderr]    Compiling macro-string v0.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling blst v0.3.15
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking alloy-eip2124 v0.2.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling c-kzg v2.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking ethereum_serde_utils v0.8.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling alloy-tx-macros v1.0.23
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling ethereum_ssz_derive v0.9.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking alloy-eip7702 v0.6.1
[INFO] [stderr]    Compiling alloy-sol-macro-input v1.3.0
[INFO] [stderr]     Checking ethereum_ssz v0.9.0
[INFO] [stderr]     Checking alloy-serde v1.0.23
[INFO] [stderr]    Compiling alloy-sol-macro-expander v1.3.0
[INFO] [stderr]     Checking alloy-eip2930 v0.2.1
[INFO] [stderr]     Checking nybbles v0.4.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking alloy-eips v1.0.23
[INFO] [stderr]     Checking alloy-trie v0.9.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking futures-utils-wasm v0.1.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking alloy-consensus v1.0.23
[INFO] [stderr]    Compiling openssl-src v300.5.1+3.5.1
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking multihash v0.19.3
[INFO] [stderr]     Checking simple_asn1 v0.6.3
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking pem v3.0.5
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking asn1_der v0.7.6
[INFO] [stderr]     Checking data-encoding-macro v0.1.18
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking jsonwebtoken v9.3.1
[INFO] [stderr]     Checking alloy-chains v0.2.6
[INFO] [stderr]     Checking ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling alloy-sol-macro v1.3.0
[INFO] [stderr]     Checking libp2p-identity v0.2.12
[INFO] [stderr]     Checking alloy-consensus-any v1.0.23
[INFO] [stderr]     Checking alloy-network-primitives v1.0.23
[INFO] [stderr]     Checking alloy-sol-types v1.3.0
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking alloy-signer v1.0.23
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]     Checking multiaddr v0.18.2
[INFO] [stderr]     Checking rustls-webpki v0.103.4
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking alloy-rpc-types-engine v1.0.23
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking libp2p-core v0.43.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking webpki-roots v1.0.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking alloy-hardforks v0.2.13
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking alloy-op-hardforks v0.2.13
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.35.1
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking libp2p-swarm v0.47.0
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling doctest-file v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking tungstenite v0.26.2
[INFO] [stderr]     Checking interprocess v2.2.3
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking netlink-packet-core v0.7.0
[INFO] [stderr]     Checking tokio-tungstenite v0.26.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking netlink-sys v0.8.7
[INFO] [stderr]     Checking hyper-util v0.1.15
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking netlink-proto v0.11.5
[INFO] [stderr]     Checking netlink-packet-route v0.17.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/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] 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" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1", kill_on_drop: false }`
[INFO] [stdout] 99efce8eea0766e0146ccf552c12d4ffad4cae4a088fcc4d7d977733fabe8db1
