[INFO] cloning repository https://github.com/yinheli/kungfu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yinheli/kungfu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinheli%2Fkungfu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinheli%2Fkungfu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fae16f12fd9d63c8b6e757eacaea1c6b4f22545f
[INFO] documenting yinheli/kungfu against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyinheli%2Fkungfu" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yinheli/kungfu
[INFO] finished tweaking git repo https://github.com/yinheli/kungfu
[INFO] tweaked toml for git repo https://github.com/yinheli/kungfu written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yinheli/kungfu 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/yinheli/kungfu 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8f1243e9547b5a0481426dad291598fc88a6c6b93611c4d9e46e3e3a4ec7963c
[INFO] running `Command { std: "docker" "start" "-a" "8f1243e9547b5a0481426dad291598fc88a6c6b93611c4d9e46e3e3a4ec7963c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1243e9547b5a0481426dad291598fc88a6c6b93611c4d9e46e3e3a4ec7963c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1243e9547b5a0481426dad291598fc88a6c6b93611c4d9e46e3e3a4ec7963c", kill_on_drop: false }`
[INFO] [stdout] 8f1243e9547b5a0481426dad291598fc88a6c6b93611c4d9e46e3e3a4ec7963c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a5c57c72fba9484c62dc3e0926f67c71958b6bfb869d23cef382ff1e2f35b8a
[INFO] running `Command { std: "docker" "start" "-a" "1a5c57c72fba9484c62dc3e0926f67c71958b6bfb869d23cef382ff1e2f35b8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking pnet_base v0.35.0
[INFO] [stderr]     Checking netlink-packet-core v0.8.1
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking procfs-core v0.17.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking notify-types v2.1.0
[INFO] [stderr]     Checking num-conv v0.2.1
[INFO] [stderr]     Checking resolv-conf v0.7.6
[INFO] [stderr]    Compiling tun-rs v2.8.2
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking arc-swap v1.9.0
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking pnet_sys v0.35.0
[INFO] [stderr]     Checking inotify v0.11.1
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]     Checking netlink-packet-route v0.25.1
[INFO] [stderr]     Checking netlink-sys v0.8.8
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking getifaddrs v0.6.1
[INFO] [stderr]     Checking notify v8.2.0
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking notify-debouncer-mini v0.7.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr] error: could not compile `regex-syntax` (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 regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.10/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=cb3a65eb52dee248 -C extra-filename=-3a7f360558b643cd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jiff` (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 jiff --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jiff-0.2.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_jiff)' --cfg 'feature="alloc"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "js", "logging", "perf-inline", "serde", "static", "static-tz", "std", "tz-fat", "tz-system", "tzdb-bundle-always", "tzdb-bundle-platform", "tzdb-concatenated", "tzdb-zoneinfo"))' -C metadata=d5d6deec78f404af -C extra-filename=-9b7f3fd98b2c4a67 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1a5c57c72fba9484c62dc3e0926f67c71958b6bfb869d23cef382ff1e2f35b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5c57c72fba9484c62dc3e0926f67c71958b6bfb869d23cef382ff1e2f35b8a", kill_on_drop: false }`
[INFO] [stdout] 1a5c57c72fba9484c62dc3e0926f67c71958b6bfb869d23cef382ff1e2f35b8a