[INFO] fetching crate symgraph 2026.4.13...
[INFO] testing symgraph-2026.4.13 against 1.95.0 for beta-1.96-2
[INFO] extracting crate symgraph 2026.4.13 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate symgraph 2026.4.13
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate symgraph 2026.4.13
[INFO] tweaked toml for crates.io crate symgraph 2026.4.13 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate symgraph 2026.4.13 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate symgraph 2026.4.13 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tree-sitter-language v0.1.7
[INFO] [stderr]   Downloaded pastey v0.2.1
[INFO] [stderr]   Downloaded hashlink v0.11.0
[INFO] [stderr]   Downloaded schemars_derive v1.2.1
[INFO] [stderr]   Downloaded rmcp-macros v1.4.0
[INFO] [stderr]   Downloaded streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded rsqlite-vfs v0.1.0
[INFO] [stderr]   Downloaded sse-stream v0.2.2
[INFO] [stderr]   Downloaded uuid v1.23.0
[INFO] [stderr]   Downloaded tree-sitter-python v0.25.0
[INFO] [stderr]   Downloaded rand v0.10.1
[INFO] [stderr]   Downloaded tree-sitter-go v0.25.0
[INFO] [stderr]   Downloaded tree-sitter-java v0.23.5
[INFO] [stderr]   Downloaded tree-sitter-javascript v0.25.0
[INFO] [stderr]   Downloaded axum v0.8.8
[INFO] [stderr]   Downloaded tree-sitter v0.26.8
[INFO] [stderr]   Downloaded rusqlite v0.38.0
[INFO] [stderr]   Downloaded tree-sitter-c v0.24.1
[INFO] [stderr]   Downloaded rmcp v1.4.0
[INFO] [stderr]   Downloaded tree-sitter-rust v0.24.2
[INFO] [stderr]   Downloaded tree-sitter-groovy v0.1.2
[INFO] [stderr]   Downloaded tree-sitter-typescript v0.23.2
[INFO] [stderr]   Downloaded tokio v1.51.1
[INFO] [stderr]   Downloaded tree-sitter-cpp v0.23.4
[INFO] [stderr]   Downloaded tree-sitter-kotlin-ng v1.1.0
[INFO] [stderr]   Downloaded tree-sitter-scala v0.25.0
[INFO] [stderr]   Downloaded tree-sitter-c-sharp v0.23.1
[INFO] [stderr]   Downloaded libsqlite3-sys v0.36.0
[INFO] [stderr]   Downloaded sqlite-wasm-rs v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb923d7946f4810b20d52ac301b94c3f4e5f7575fe2b9b8c97bb9432cbfa897b
[INFO] running `Command { std: "docker" "start" "-a" "fb923d7946f4810b20d52ac301b94c3f4e5f7575fe2b9b8c97bb9432cbfa897b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb923d7946f4810b20d52ac301b94c3f4e5f7575fe2b9b8c97bb9432cbfa897b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb923d7946f4810b20d52ac301b94c3f4e5f7575fe2b9b8c97bb9432cbfa897b", kill_on_drop: false }`
[INFO] [stdout] fb923d7946f4810b20d52ac301b94c3f4e5f7575fe2b9b8c97bb9432cbfa897b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42c2a78cec1dacd3fa84fe4955b6eaeb3e259ad4f5288cf3e11d744acd82d312
[INFO] running `Command { std: "docker" "start" "-a" "42c2a78cec1dacd3fa84fe4955b6eaeb3e259ad4f5288cf3e11d744acd82d312", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling rmcp v1.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling hashlink v0.11.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.36.0
[INFO] [stderr]    Compiling tree-sitter-cpp v0.23.4
[INFO] [stderr]    Compiling tree-sitter-javascript v0.25.0
[INFO] [stderr]    Compiling tree-sitter-python v0.25.0
[INFO] [stderr]    Compiling tree-sitter-go v0.25.0
[INFO] [stderr]    Compiling tree-sitter-groovy v0.1.2
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling tree-sitter-kotlin-ng v1.1.0
[INFO] [stderr]    Compiling tree-sitter-c-sharp v0.23.1
[INFO] [stderr]    Compiling tree-sitter-java v0.23.5
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tree-sitter-c v0.24.1
[INFO] [stderr]    Compiling tree-sitter-rust v0.24.2
[INFO] [stderr]    Compiling tree-sitter-typescript v0.23.2
[INFO] [stderr]    Compiling tree-sitter-scala v0.25.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling sha2 v0.10.9
[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/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="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=b18d54c08ccb71ab -C extra-filename=-e9ce92bb1871bc97 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-99a3d88b32bce55e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c104ce3d460b40dd.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-121f5aac28bffa4f.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" "42c2a78cec1dacd3fa84fe4955b6eaeb3e259ad4f5288cf3e11d744acd82d312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c2a78cec1dacd3fa84fe4955b6eaeb3e259ad4f5288cf3e11d744acd82d312", kill_on_drop: false }`
[INFO] [stdout] 42c2a78cec1dacd3fa84fe4955b6eaeb3e259ad4f5288cf3e11d744acd82d312
