[INFO] fetching crate convert 0.2.0...
[INFO] checking convert-0.2.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate convert 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate convert 0.2.0
[INFO] finished tweaking crates.io crate convert 0.2.0
[INFO] tweaked toml for crates.io crate convert 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate convert 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to highest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.7)
[INFO] [stderr]       Adding curl v0.2.19 (available: v0.4.50)
[INFO] [stderr]       Adding env_logger v0.4.3 (available: v0.11.11)
[INFO] [stderr]       Adding json v0.11.15 (available: v0.12.4)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.34)
[INFO] [stderr]       Adding serde_json v0.6.1 (available: v1.0.151)
[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: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | 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:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | homepage = "https://github.com/theycallmemac/convert"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 | repository = "https://github.com/theycallmemac/convert"
[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: `convert` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58
[INFO] running `Command { std: "docker" "start" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58", 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" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58", 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" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | 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:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | homepage = "https://github.com/theycallmemac/convert"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 | repository = "https://github.com/theycallmemac/convert"
[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: `convert` (manifest) generated 3 warnings
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libz-sys v1.1.29
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-iter v0.1.46
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]     Checking curl v0.2.19
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `extern "C" fn(*mut u8, usize, usize, *mut Body<'_>) -> usize`.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   curl_read_fn as extern fn(_, _, _, _) -> _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `extern "C" fn(*mut u8, usize, usize, *mut Body<'_>) -> usize` does not implement `VaArgSafe`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   curl_read_fn as extern fn(_, _, _, _) -> _);
[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 `extern "C" fn(*mut u8, usize, usize, *mut ResponseBuilder) -> usize`.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   curl_write_fn as extern fn(_, _, _, _) -> _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `extern "C" fn(*mut u8, usize, usize, *mut ResponseBuilder) -> usize` does not implement `VaArgSafe`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   curl_write_fn as extern fn(_, _, _, _) -> _);
[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 `extern "C" fn(*mut u8, usize, usize, &mut ResponseBuilder) -> usize`.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   curl_header_fn as extern fn(_, _, _, _) -> _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `extern "C" fn(*mut u8, usize, usize, &mut ResponseBuilder) -> usize` does not implement `VaArgSafe`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   curl_header_fn as extern fn(_, _, _, _) -> _);
[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 `extern "C" fn(*mut Box<dyn FnMut(usize, usize, usize, usize)>, f64, f64, f64, f64) -> i32`.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   curl_progress_fn as extern fn(_, _, _, _, _) -> _);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `extern "C" fn(*mut Box<dyn FnMut(usize, usize, usize, usize)>, f64, f64, f64, f64) -> i32` does not implement `VaArgSafe`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curl-0.2.19/src/ffi/easy.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   curl_progress_fn as extern fn(_, _, _, _, _) -> _);
[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 `curl` (lib) due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58", kill_on_drop: false }`
[INFO] [stdout] e29cd0fc7cb21ee69528847408cd9186690d6ea00a73cd2cb68797263caadb58