[INFO] cloning repository https://github.com/jeffutter/iio_keyboard_backlight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffutter/iio_keyboard_backlight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffutter%2Fiio_keyboard_backlight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffutter%2Fiio_keyboard_backlight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 950364de222f271068a5bf98c685eb206fc246a3
[INFO] checking jeffutter/iio_keyboard_backlight 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%2Fjeffutter%2Fiio_keyboard_backlight" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeffutter/iio_keyboard_backlight
[INFO] finished tweaking git repo https://github.com/jeffutter/iio_keyboard_backlight
[INFO] tweaked toml for git repo https://github.com/jeffutter/iio_keyboard_backlight written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffutter/iio_keyboard_backlight 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/jeffutter/iio_keyboard_backlight 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: binary `iio_ambient_brightness` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../iio_ambient_brightness
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `iio-ambient-brightness`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 - name = "iio_ambient_brightness"
[INFO] [stderr] 38 + name = "iio-ambient-brightness"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `iio-ambient-brightness`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 ~ opt-level = "z"
[INFO] [stderr] 45 + [[bin]]
[INFO] [stderr] 46 + name = "iio-ambient-brightness"
[INFO] [stderr] 47 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `iio_ambient_brightness` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76
[INFO] running `Command { std: "docker" "start" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76", 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" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76", 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" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `iio_ambient_brightness` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../iio_ambient_brightness
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `iio-ambient-brightness`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 - name = "iio_ambient_brightness"
[INFO] [stderr] 38 + name = "iio-ambient-brightness"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `iio-ambient-brightness`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 ~ opt-level = "z"
[INFO] [stderr] 45 + [[bin]]
[INFO] [stderr] 46 + name = "iio-ambient-brightness"
[INFO] [stderr] 47 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `iio_ambient_brightness` (manifest) generated 1 warning
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]    Compiling libiio-sys v0.4.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking nix v0.29.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking retry v2.2.0
[INFO] [stderr]     Checking yata v0.7.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.2/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.2/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[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 `AtFlags`.
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.2/src/unistd.rs:1241:13
[INFO] [stdout]      |
[INFO] [stdout] 1241 |             flags,
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.2/src/unistd.rs:1241:13
[INFO] [stdout]      |
[INFO] [stdout] 1241 |             flags,
[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 `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76", kill_on_drop: false }`
[INFO] [stdout] 8091d69cc2fe88dd445e3e58882d5f457095a2f0f537dde8e8887caa9f31df76
