[INFO] fetching crate flippy 0.4.3...
[INFO] checking flippy-0.4.3 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate flippy 0.4.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate flippy 0.4.3
[INFO] finished tweaking crates.io crate flippy 0.4.3
[INFO] tweaked toml for crates.io crate flippy 0.4.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flippy 0.4.3 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 flippy 0.4.3 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:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | 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: `flippy` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a
[INFO] running `Command { std: "docker" "start" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a", 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" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a", 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" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a" "/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:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | 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: `flippy` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking gix-trace v0.1.13
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking zlib-rs v0.5.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking ansiterm v0.12.2
[INFO] [stderr]     Checking human_format v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking bytesize v2.0.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling aws-lc-rs v1.13.3
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking kstring v2.0.2
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]    Compiling rustls-ffi v0.15.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking uluru v3.1.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking imara-diff v0.1.8
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking sha1-checked v0.10.0
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking clru v0.6.2
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]     Checking libz-rs-sys v0.5.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking md5 v0.8.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking gix-sec v0.12.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking io-close v0.3.7
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]    Compiling aws-lc-sys v0.30.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling curl-sys v0.4.83+curl-8.15.0
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking xattr v1.5.1
[INFO] [stderr]     Checking tar v0.4.44
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking crosstermion v0.14.0
[INFO] [stderr]     Checking hyperloglockless v0.3.1
[INFO] [stderr]     Checking gix-utils v0.3.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), 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-0.26.4/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), 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]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a", kill_on_drop: false }`
[INFO] [stdout] 1988dbfd94a648c5809bc97c20f5819f83a5c25e47874caec165c1c4a208a19a
