[INFO] fetching crate swayboard 0.1.0...
[INFO] checking swayboard-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate swayboard 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate swayboard 0.1.0
[INFO] finished tweaking crates.io crate swayboard 0.1.0
[INFO] tweaked toml for crates.io crate swayboard 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swayboard 0.1.0 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] crate crates.io crate swayboard 0.1.0 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:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | 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: `swayboard` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd
[INFO] running `Command { std: "docker" "start" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd", 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" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd", 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" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd" "/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:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | 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: `swayboard` (manifest) generated 1 warning
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.62
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking winnow v0.6.13
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_builder v4.5.9
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.7.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking async-io v2.3.3
[INFO] [stderr]     Checking async-pidfd-next v0.1.0
[INFO] [stderr]     Checking clap v4.5.9
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `BorrowedFd<'_>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-pidfd-next-0.1.0/src/lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             pidfd,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BorrowedFd<'_>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-pidfd-next-0.1.0/src/lib.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             pidfd,
[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 `async-pidfd-next` (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" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd", kill_on_drop: false }`
[INFO] [stdout] 530bd6b726e5e5892b7f3572bdc7a1e8d33648e10304babb73ec7c48531378bd