[INFO] fetching crate periphery 0.1.0...
[INFO] checking periphery-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate periphery 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate periphery 0.1.0
[INFO] finished tweaking crates.io crate periphery 0.1.0
[INFO] tweaked toml for crates.io crate periphery 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate periphery 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] 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 1 package to highest compatible version
[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:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | 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:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | homepage = "https://github.com/danclive/nson"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 | repository = "https://github.com/danclive/nson"
[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: `periphery` (manifest) generated 2 warnings
[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] 68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586
[INFO] running `Command { std: "docker" "start" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586", 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" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586", 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" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586" "/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:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | 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:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | homepage = "https://github.com/danclive/nson"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 | repository = "https://github.com/danclive/nson"
[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: `periphery` (manifest) generated 2 warnings
[INFO] [stderr]     Checking periphery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `&[spi_ioc_transfer<'_, '_>]`.
[INFO] [stdout]    --> src/sys/spi.rs:357:128
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 syscall!(ioctl(fd, request_code_write!($ioty, $nr, data.len() * ::std::mem::size_of::<$ty>()) as IoctlNumType, data))
[INFO] [stdout]     |                                                                                                                                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 437 |     ioctl_write_buf!(spidev_transfer_buf, SPI_IOC_MAGIC, SPI_IOC_NR_TRANSFER, spi_ioc_transfer);
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ioctl_write_buf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `&[spi_ioc_transfer<'_, '_>]`.
[INFO] [stdout]    --> src/sys/spi.rs:357:128
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 syscall!(ioctl(fd, request_code_write!($ioty, $nr, data.len() * ::std::mem::size_of::<$ty>()) as IoctlNumType, data))
[INFO] [stdout]     |                                                                                                                                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 437 |     ioctl_write_buf!(spidev_transfer_buf, SPI_IOC_MAGIC, SPI_IOC_NR_TRANSFER, spi_ioc_transfer);
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ioctl_write_buf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `&[spi_ioc_transfer<'_, '_>]` does not implement `VaArgSafe`
[INFO] [stdout]    --> src/sys/spi.rs:357:128
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 syscall!(ioctl(fd, request_code_write!($ioty, $nr, data.len() * ::std::mem::size_of::<$ty>()) as IoctlNumType, data))
[INFO] [stdout]     |                                                                                                                                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 437 |     ioctl_write_buf!(spidev_transfer_buf, SPI_IOC_MAGIC, SPI_IOC_NR_TRANSFER, spi_ioc_transfer);
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------- in this macro invocation
[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]     = note: this warning originates in the macro `ioctl_write_buf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `&[spi_ioc_transfer<'_, '_>]` does not implement `VaArgSafe`
[INFO] [stdout]    --> src/sys/spi.rs:357:128
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 syscall!(ioctl(fd, request_code_write!($ioty, $nr, data.len() * ::std::mem::size_of::<$ty>()) as IoctlNumType, data))
[INFO] [stdout]     |                                                                                                                                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 437 |     ioctl_write_buf!(spidev_transfer_buf, SPI_IOC_MAGIC, SPI_IOC_NR_TRANSFER, spi_ioc_transfer);
[INFO] [stdout]     |     ------------------------------------------------------------------------------------------- in this macro invocation
[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]     = note: this warning originates in the macro `ioctl_write_buf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `periphery` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `periphery` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586", kill_on_drop: false }`
[INFO] [stdout] 68a8922c7d503b9bfcf03b84cf3d5e14241079794cde4ebb18eeca8da5aa3586
