[INFO] fetching crate competitive-programming-cli 0.1.0-preview.7...
[INFO] checking competitive-programming-cli-0.1.0-preview.7 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate competitive-programming-cli 0.1.0-preview.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate competitive-programming-cli 0.1.0-preview.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate competitive-programming-cli 0.1.0-preview.7
[INFO] tweaked toml for crates.io crate competitive-programming-cli 0.1.0-preview.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate competitive-programming-cli 0.1.0-preview.7 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 competitive-programming-cli 0.1.0-preview.7 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:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | 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: `competitive-programming-cli` (manifest) generated 1 warning
[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] 51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8
[INFO] running `Command { std: "docker" "start" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8", 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" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8", 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" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8" "/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:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | 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: `competitive-programming-cli` (manifest) generated 1 warning
[INFO] [stderr]     Checking smallvec v1.16.0
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling pest v2.9.0
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking phf v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]    Compiling quick-xml v0.41.0
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling cc v1.4.5
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling wayland-client v0.31.15
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]    Compiling pest_meta v2.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.11
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling wayland-backend v0.3.17
[INFO] [stderr]    Compiling web_atoms v0.2.6
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling pest_generator v2.9.0
[INFO] [stderr]     Checking string_cache v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]    Compiling cookie v0.18.2
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking time v0.3.55
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking hyper v1.11.1
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]    Compiling pest_derive v2.9.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]    Compiling selectors v0.33.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking wayland-protocols v0.32.13
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking thiserror v2.0.20
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]     Checking cssparser v0.36.0
[INFO] [stderr]     Checking expr-lang v2.1.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.27
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]     Checking icu_properties v2.3.0
[INFO] [stderr]     Checking icu_normalizer v2.3.0
[INFO] [stderr]     Checking markup5ever v0.36.1
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking gethostname v1.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[INFO] [stderr]     Checking is-docker v0.2.0
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking winnow v1.0.4
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]    Compiling procfs v0.18.0
[INFO] [stderr]     Checking rustc-hash v2.1.3
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling schemars_derive v1.2.2
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking publicsuffix v2.3.0
[INFO] [stderr]     Checking procfs-core v0.18.0
[INFO] [stderr]     Checking wayland-protocols-wlr v0.3.12
[INFO] [stderr]     Checking cookie_store v0.22.1
[INFO] [stderr]     Checking tower-http v0.6.11
[INFO] [stderr]     Checking toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking tree_magic_mini v3.2.2
[INFO] [stderr]     Checking usage-validation v6.6.1
[INFO] [stderr]     Checking is-wsl v0.4.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking html5ever v0.36.1
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking wl-clipboard-rs v0.9.3
[INFO] [stderr]    Compiling usage-derive v6.6.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking ego-tree v0.10.0
[INFO] [stderr]     Checking toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking usage-argv v6.6.1
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking scraper v0.25.0
[INFO] [stderr]     Checking x11rb v0.13.2
[INFO] [stderr]     Checking schemars v1.2.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[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" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8", kill_on_drop: false }`
[INFO] [stdout] 51c2acaf049ef58445fd579a0352b834b28371fa6b21d0cce6060198d5c477b8
