[INFO] cloning repository https://github.com/rathrio/log-slurping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rathrio/log-slurping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frathrio%2Flog-slurping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frathrio%2Flog-slurping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c7e4f8953b99ef27920dcbfc6478658390ce5ad
[INFO] checking rathrio/log-slurping 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%2Frathrio%2Flog-slurping" "/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/rathrio/log-slurping
[INFO] finished tweaking git repo https://github.com/rathrio/log-slurping
[INFO] tweaked toml for git repo https://github.com/rathrio/log-slurping written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rathrio/log-slurping 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/rathrio/log-slurping 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] 1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb
[INFO] running `Command { std: "docker" "start" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb", 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" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb", 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" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling rdkafka-sys v3.0.0+1.6.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking ref_slice v1.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking twox-hash v1.6.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking kafka v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking ssh2 v0.9.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rdkafka v0.25.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 RD_KAFKA_VTYPE_TOPIC,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 RD_KAFKA_VTYPE_TOPIC,
[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] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:347:17
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 RD_KAFKA_VTYPE_PARTITION,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:347:17
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 RD_KAFKA_VTYPE_PARTITION,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 RD_KAFKA_VTYPE_MSGFLAGS,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 RD_KAFKA_VTYPE_MSGFLAGS,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 RD_KAFKA_VTYPE_VALUE,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 RD_KAFKA_VTYPE_VALUE,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 RD_KAFKA_VTYPE_KEY,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 RD_KAFKA_VTYPE_KEY,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 RD_KAFKA_VTYPE_OPAQUE,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 RD_KAFKA_VTYPE_OPAQUE,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:359:17
[INFO] [stdout]     |
[INFO] [stdout] 359 |                 RD_KAFKA_VTYPE_TIMESTAMP,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:359:17
[INFO] [stdout]     |
[INFO] [stdout] 359 |                 RD_KAFKA_VTYPE_TIMESTAMP,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 RD_KAFKA_VTYPE_HEADERS,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 RD_KAFKA_VTYPE_HEADERS,
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 RD_KAFKA_VTYPE_END,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.25.0/src/producer/base_producer.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 RD_KAFKA_VTYPE_END,
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdkafka` (lib) due to 9 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb", kill_on_drop: false }`
[INFO] [stdout] 1704c440d28e038c554885cb453f569bdb81a7d6889b814784b097dbac5902bb
