[INFO] fetching crate two_percent 0.12.18...
[INFO] checking two_percent-0.12.18 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate two_percent 0.12.18 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate two_percent 0.12.18
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate two_percent 0.12.18
[INFO] tweaked toml for crates.io crate two_percent 0.12.18 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate two_percent 0.12.18 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 two_percent 0.12.18 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:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 | homepage = "https://github.com/kimono-koans/two_percent"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 | repository = "https://github.com/kimono-koans/two_percent"
[INFO] [stderr]     |              ---------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `two_percent` (manifest) generated 2 warnings
[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] 3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95
[INFO] running `Command { std: "docker" "start" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95", 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" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95", 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" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95" "/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:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 | homepage = "https://github.com/kimono-koans/two_percent"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 | repository = "https://github.com/kimono-koans/two_percent"
[INFO] [stderr]     |              ---------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `two_percent` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking jiff v0.2.14
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking fuzzy-muff v0.4.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking vte v0.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking which v8.0.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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-0.24.3/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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]     Checking regex v1.12.2
[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" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95", kill_on_drop: false }`
[INFO] [stdout] 3bc8a0654e2187b80cecf251fe5fce6d8e532fabf72683c769c35979f29ebc95
