[INFO] cloning repository https://github.com/hlwqds/amux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hlwqds/amux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhlwqds%2Famux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhlwqds%2Famux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 735e14b52541f504b53f8a0cbf10dd82087fd703
[INFO] checking hlwqds/amux 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%2Fhlwqds%2Famux" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hlwqds/amux
[INFO] finished tweaking git repo https://github.com/hlwqds/amux
[INFO] tweaked toml for git repo https://github.com/hlwqds/amux written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hlwqds/amux 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/hlwqds/amux 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:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | 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: `amux` (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] 64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669
[INFO] running `Command { std: "docker" "start" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669", 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" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669", 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" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669" "/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:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | 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: `amux` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking http v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking zerocopy v0.8.50
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking unicode-truncate v2.0.1
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking lru v0.16.4
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking kasuari v0.4.12
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling signal-hook v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking pxfm v0.1.29
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking cursor-icon v1.2.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking inotify v0.10.2
[INFO] [stderr]     Checking notify-types v1.0.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking filedescriptor v0.8.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]     Checking shell-words v1.1.1
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking dashmap v6.2.1
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking notify v7.0.0
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking code-fuzzy-match v0.2.2
[INFO] [stderr]     Checking console v0.16.3
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/40527f3e444fde1deb361751bdef9b9e11d1b971/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.52.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=da4c08583837d90f -C extra-filename=-d32706539a97cd8f --out-dir /opt/rustwide/target/debug/build/tokio/d32706539a97cd8f/out -L dependency=/opt/rustwide/target/debug/build/cfg-if/b130e4df861970d7/out -L dependency=/opt/rustwide/target/debug/build/errno/24b594bae708eb3a/out -L dependency=/opt/rustwide/target/debug/build/libc/5103143663f26da4/out -L dependency=/opt/rustwide/target/debug/build/lock_api/ffb5a428b287a4e1/out -L dependency=/opt/rustwide/target/debug/build/log/8faac5e66d5ffe71/out -L dependency=/opt/rustwide/target/debug/build/parking_lot_core/7af25db302ad6ca7/out -L dependency=/opt/rustwide/target/debug/build/scopeguard/9130ca354df06040/out -L dependency=/opt/rustwide/target/debug/build/smallvec/4e12c0ff51272618/out --extern bytes=/opt/rustwide/target/debug/build/bytes/936dcf7c27fb7983/out/libbytes-936dcf7c27fb7983.rmeta --extern libc=/opt/rustwide/target/debug/build/libc/5103143663f26da4/out/liblibc-5103143663f26da4.rmeta --extern mio=/opt/rustwide/target/debug/build/mio/a0d25c5d95bad87a/out/libmio-a0d25c5d95bad87a.rmeta --extern parking_lot=/opt/rustwide/target/debug/build/parking_lot/59966f99971a0dc3/out/libparking_lot-59966f99971a0dc3.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/build/pin-project-lite/939ff28c23f518de/out/libpin_project_lite-939ff28c23f518de.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/build/signal-hook-registry/c32b2af4230c5ff6/out/libsignal_hook_registry-c32b2af4230c5ff6.rmeta --extern socket2=/opt/rustwide/target/debug/build/socket2/94bea13404762825/out/libsocket2-94bea13404762825.rmeta --extern tokio_macros=/opt/rustwide/target/debug/build/tokio-macros/6ad53c80fddfd34c/out/libtokio_macros-6ad53c80fddfd34c.so --cap-lints allow --cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.25.1/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-0.25.1/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] running `Command { std: "docker" "inspect" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669", kill_on_drop: false }`
[INFO] [stdout] 64db38018600ee099d63919fdf8b5d89bcd739020ea0c635c78c5c16c690c669
