[INFO] cloning repository https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niedzwiedzw/rust-drivers-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Frust-drivers-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d19a47521a504625aa357dabb3d26c34d14f0e6
[INFO] checking Niedzwiedzw/rust-drivers-playground 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%2FNiedzwiedzw%2Frust-drivers-playground" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] finished tweaking git repo https://github.com/Niedzwiedzw/rust-drivers-playground
[INFO] tweaked toml for git repo https://github.com/Niedzwiedzw/rust-drivers-playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Niedzwiedzw/rust-drivers-playground 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/Niedzwiedzw/rust-drivers-playground 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-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] 715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699
[INFO] running `Command { std: "docker" "start" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699", 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" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699", 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" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rppal v0.11.3 (https://github.com/golemparts/rppal#5eb0f148)
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `&[Segment<'_, '_>]`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rppal-492e92401adcb11e/5eb0f14/src/spi/ioctl.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             segments,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `&[Segment<'_, '_>]` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rppal-492e92401adcb11e/5eb0f14/src/spi/ioctl.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             segments,
[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 `rppal` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699", kill_on_drop: false }`
[INFO] [stdout] 715005cf3d955fb8686b50f41a9d30b2a0c287a2c958bb475e745fa933350699
