[INFO] cloning repository https://github.com/shinjiyu/mcp_guard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shinjiyu/mcp_guard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinjiyu%2Fmcp_guard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinjiyu%2Fmcp_guard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4de16100436c17c665127d8eec737a3c5fc9648
[INFO] documenting shinjiyu/mcp_guard against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinjiyu%2Fmcp_guard" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shinjiyu/mcp_guard
[INFO] finished tweaking git repo https://github.com/shinjiyu/mcp_guard
[INFO] tweaked toml for git repo https://github.com/shinjiyu/mcp_guard written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shinjiyu/mcp_guard on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shinjiyu/mcp_guard 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlopen2 v0.7.0
[INFO] [stderr]   Downloaded zvariant v5.14.0
[INFO] [stderr]   Downloaded zcheapstr v1.0.0
[INFO] [stderr]   Downloaded zvariant_utils v4.0.0
[INFO] [stderr]   Downloaded netlink-sys v0.8.8
[INFO] [stderr]   Downloaded netlink-packet-sock-diag v0.4.2
[INFO] [stderr]   Downloaded zvariant_derive v5.14.0
[INFO] [stderr]   Downloaded netstat2 v0.11.2
[INFO] [stderr]   Downloaded zbus_macros v5.19.0
[INFO] [stderr]   Downloaded zbus v5.19.0
[INFO] [stderr]   Downloaded sysinfo v0.35.2
[INFO] [stderr]   Downloaded tao v0.30.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90
[INFO] running `Command { std: "docker" "start" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90", 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" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]     Checking futures-io v0.3.33
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]    Compiling clang-sys v1.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking event-listener v5.4.2
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking cmov v0.5.4
[INFO] [stderr]    Compiling endi v1.1.1
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]     Checking simd-adler32 v0.3.10
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking ctutils v0.4.2
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking syn v3.0.3
[INFO] [stderr]     Checking cpubits v0.1.1
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking hybrid-array v0.4.14
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]    Compiling toml_edit v0.25.13+spec-1.1.0
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking pxfm v0.1.30
[INFO] [stderr]     Checking clap_builder v4.6.6
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]     Checking block-buffer v0.12.1
[INFO] [stderr]     Checking inout v0.2.2
[INFO] [stderr]     Checking png v0.18.1
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]     Checking netlink-sys v0.8.8
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.3/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="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=0c81693894cbc325 -C extra-filename=-ec1c904f92c502c6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-22234ed106aaf9b1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f050049f6d701737.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-86faa6b6bcc5b157.rmeta --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" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90", kill_on_drop: false }`
[INFO] [stdout] cc72e29e53296f5224a777e72421e0941274518ae8954fbb0e746e2a89b6bc90