[INFO] cloning repository https://github.com/r2cn-dev/cargo-buckal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r2cn-dev/cargo-buckal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2cn-dev%2Fcargo-buckal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2cn-dev%2Fcargo-buckal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d771729d765cd8ed49fff66956b7db5670dea119
[INFO] documenting r2cn-dev/cargo-buckal 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%2Fr2cn-dev%2Fcargo-buckal" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r2cn-dev/cargo-buckal
[INFO] finished tweaking git repo https://github.com/r2cn-dev/cargo-buckal
[INFO] tweaked toml for git repo https://github.com/r2cn-dev/cargo-buckal written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r2cn-dev/cargo-buckal 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/r2cn-dev/cargo-buckal 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 43ac90360338e4c35b75636b242af8302f1e455e7fba910aef258f279216d0c7
[INFO] running `Command { std: "docker" "start" "-a" "43ac90360338e4c35b75636b242af8302f1e455e7fba910aef258f279216d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ac90360338e4c35b75636b242af8302f1e455e7fba910aef258f279216d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ac90360338e4c35b75636b242af8302f1e455e7fba910aef258f279216d0c7", kill_on_drop: false }`
[INFO] [stdout] 43ac90360338e4c35b75636b242af8302f1e455e7fba910aef258f279216d0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b5a63bfb73869ab3ea647ea96272d6b10e33329dc770a486dca78d9d63f506b1
[INFO] running `Command { std: "docker" "start" "-a" "b5a63bfb73869ab3ea647ea96272d6b10e33329dc770a486dca78d9d63f506b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]    Compiling allocative v0.3.4
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]    Compiling starlark_map v0.13.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking newline-converter v0.3.0
[INFO] [stderr]     Checking rustls-pki-types v1.13.0
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking toml v0.9.12+spec-1.1.0
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking annotate-snippets v0.9.2
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[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-0.8.6/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="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=563a00fe323939d5 -C extra-filename=-2b036a3352847a2f --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] running `Command { std: "docker" "inspect" "b5a63bfb73869ab3ea647ea96272d6b10e33329dc770a486dca78d9d63f506b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a63bfb73869ab3ea647ea96272d6b10e33329dc770a486dca78d9d63f506b1", kill_on_drop: false }`
[INFO] [stdout] b5a63bfb73869ab3ea647ea96272d6b10e33329dc770a486dca78d9d63f506b1