[INFO] cloning repository https://github.com/wxh8078/kg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wxh8078/kg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwxh8078%2Fkg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwxh8078%2Fkg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b635a7e629c96f4630a6c8d228bb981d87eabd3d
[INFO] testing wxh8078/kg against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwxh8078%2Fkg" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/wxh8078/kg
[INFO] finished tweaking git repo https://github.com/wxh8078/kg
[INFO] tweaked toml for git repo https://github.com/wxh8078/kg written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wxh8078/kg on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wxh8078/kg 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing wxh8078/kg against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwxh8078%2Fkg" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/wxh8078/kg
[INFO] finished tweaking git repo https://github.com/wxh8078/kg
[INFO] tweaked toml for git repo https://github.com/wxh8078/kg written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wxh8078/kg on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wxh8078/kg 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ed613f9aa0631b2b7cfdfafe5b55fc1c20c5baf132b02fe57ff020cb390735a
[INFO] running `Command { std: "docker" "start" "-a" "5ed613f9aa0631b2b7cfdfafe5b55fc1c20c5baf132b02fe57ff020cb390735a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ed613f9aa0631b2b7cfdfafe5b55fc1c20c5baf132b02fe57ff020cb390735a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed613f9aa0631b2b7cfdfafe5b55fc1c20c5baf132b02fe57ff020cb390735a", kill_on_drop: false }`
[INFO] [stdout] 5ed613f9aa0631b2b7cfdfafe5b55fc1c20c5baf132b02fe57ff020cb390735a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1673907c85b1a25850b6383817a2fb5b37042853c0e07ab7eb170514176132
[INFO] running `Command { std: "docker" "start" "-a" "0b1673907c85b1a25850b6383817a2fb5b37042853c0e07ab7eb170514176132", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling wayland-sys v0.31.7
[INFO] [stderr]    Compiling wayland-backend v0.3.11
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling openssl-src v300.5.3+3.5.4
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling zstd-sys v2.0.11+zstd.1.5.6
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling gio v0.18.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.20.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]    Compiling dlopen v0.1.8
[INFO] [stderr]    Compiling addr2line v0.22.0
[INFO] [stderr]    Compiling mozjpeg-sys v2.2.2
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling wayland-scanner v0.31.7
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling libz-sys v1.1.18
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling object v0.36.1
[INFO] [stderr]    Compiling nu-ansi-term v0.49.0
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=1c025d2f4eb24296 -C extra-filename=-4a9c92c6481d3222 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dfd37736ec72135e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-71d63179a18539fa.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-472188a549d5cedb.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name rustix --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.34/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="event"' --cfg 'feature="fs"' --cfg 'feature="libc-extra-traits"' --cfg 'feature="pipe"' --cfg 'feature="process"' --cfg 'feature="shm"' --cfg 'feature="std"' --cfg 'feature="time"' --cfg 'feature="use-libc-auxv"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all-apis", "alloc", "cc", "default", "event", "fs", "io_uring", "itoa", "libc", "libc-extra-traits", "libc_errno", "linux_4_11", "linux_latest", "mm", "mount", "net", "once_cell", "param", "pipe", "process", "procfs", "pty", "rand", "runtime", "rustc-dep-of-std", "shm", "std", "stdio", "system", "termios", "thread", "time", "use-explicitly-provided-auxv", "use-libc", "use-libc-auxv"))' -C metadata=21ed250e3c804141 -C extra-filename=-48880cd380d68f41 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-9327bf46e8b16d89.rmeta --extern linux_raw_sys=/opt/rustwide/target/debug/deps/liblinux_raw_sys-c4fa400a928f410c.rmeta --cap-lints allow --cap-lints=warn --cfg static_assertions --cfg linux_raw --cfg linux_like --cfg linux_kernel` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0b1673907c85b1a25850b6383817a2fb5b37042853c0e07ab7eb170514176132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1673907c85b1a25850b6383817a2fb5b37042853c0e07ab7eb170514176132", kill_on_drop: false }`
[INFO] [stdout] 0b1673907c85b1a25850b6383817a2fb5b37042853c0e07ab7eb170514176132