[INFO] fetching crate slint-backend-linuxfb 0.2.0...
[INFO] checking slint-backend-linuxfb-0.2.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate slint-backend-linuxfb 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate slint-backend-linuxfb 0.2.0
[INFO] finished tweaking crates.io crate slint-backend-linuxfb 0.2.0
[INFO] tweaked toml for crates.io crate slint-backend-linuxfb 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slint-backend-linuxfb 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] crate crates.io crate slint-backend-linuxfb 0.2.0 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:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | 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: `slint-backend-linuxfb` (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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39
[INFO] running `Command { std: "docker" "start" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39", 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" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39", 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" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39" "/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:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | 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: `slint-backend-linuxfb` (manifest) generated 1 warning
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]     Checking arrayvec v0.7.7
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]     Checking core_maths v0.1.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling icu_locale_data v2.2.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]     Checking dlib v0.5.3
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking polycool v0.4.0
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]    Compiling icu_segmenter_data v2.2.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]     Checking euclid v0.22.14
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking kurbo v0.13.1
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking unicode-ccc v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]     Checking lyon_geom v1.0.19
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking unicode-properties v0.1.4
[INFO] [stderr]     Checking parlance v0.1.0
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.4
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.4.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-script v0.5.8
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling ena v0.14.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]     Checking lyon_path v1.0.19
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking zune-jpeg v0.5.15
[INFO] [stderr]     Checking svgtypes v0.16.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]     Checking roxmltree v0.21.1
[INFO] [stderr]     Checking simplecss v0.2.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking imagesize v0.14.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking pxfm v0.1.29
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]     Checking data-url v0.3.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking gif v0.14.2
[INFO] [stderr]     Checking zeno v0.3.3
[INFO] [stderr]     Checking htmlparser v0.2.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking yazi v0.2.1
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking lyon_algorithms v1.0.20
[INFO] [stderr]     Checking taffy v0.9.2
[INFO] [stderr]     Checking fontdb v0.23.0
[INFO] [stderr]     Checking clru v0.6.3
[INFO] [stderr]     Checking pin-weak v1.1.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking sys-locale v0.3.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling slint-backend-linuxfb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitvec v1.1.1
[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-0.31.3/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-0.31.3/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-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             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-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             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" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39", kill_on_drop: false }`
[INFO] [stdout] 86f5310f25aa7d0ffe3867c209c4afe68c2704695f7432f70dfd6ecfc6ab3e39
