[INFO] fetching crate mnemo-mcp 0.5.29...
[INFO] testing mnemo-mcp-0.5.29 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mnemo-mcp 0.5.29 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mnemo-mcp 0.5.29
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mnemo-mcp 0.5.29
[INFO] tweaked toml for crates.io crate mnemo-mcp 0.5.29 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mnemo-mcp 0.5.29 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 crates.io crate mnemo-mcp 0.5.29 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 cxxbridge-flags v1.0.199
[INFO] [stderr]   Downloaded rmcp-macros v3.2.0
[INFO] [stderr]   Downloaded sketches-ddsketch v0.4.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.199
[INFO] [stderr]   Downloaded cxxbridge-cmd v1.0.199
[INFO] [stderr]   Downloaded cxx-build v1.0.199
[INFO] [stderr]   Downloaded ureq-proto v0.6.1
[INFO] [stderr]   Downloaded mnemo-core v0.5.29
[INFO] [stderr]   Downloaded usearch v2.26.2
[INFO] [stderr]   Downloaded ureq v3.4.0
[INFO] [stderr]   Downloaded cxx v1.0.199
[INFO] [stderr]   Downloaded duckdb v1.10505.0
[INFO] [stderr]   Downloaded rmcp v3.2.0
[INFO] [stderr]   Downloaded numkong v7.8.2
[INFO] [stderr]   Downloaded mnemo-attention-state v0.5.29
[INFO] [stderr]   Downloaded mnemo-compliance v0.5.29
[INFO] [stderr]   Downloaded libduckdb-sys v1.10505.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2
[INFO] running `Command { std: "docker" "start" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2", 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" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2" "/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" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2", 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" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling smallvec v1.16.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.1
[INFO] [stderr]    Compiling indexmap v2.14.1
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling arrow-schema v58.4.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ctutils v0.4.2
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]    Compiling zeroize v1.9.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling http v1.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling zlib-rs v0.6.7
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling ureq-proto v0.6.1
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling webpki-roots v1.0.9
[INFO] [stderr]    Compiling ownedbytes v0.9.0
[INFO] [stderr]    Compiling inout v0.2.2
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.199
[INFO] [stderr]    Compiling utf8-zero v0.8.1
[INFO] [stderr]    Compiling prettyplease v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling digest v0.11.3
[INFO] [stderr]    Compiling cxx v1.0.199
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling bitpacking v0.9.3
[INFO] [stderr]    Compiling zip v6.0.0
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling numkong v7.8.2
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]    Compiling comfy-table v7.1.4
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling tantivy-fst v0.5.0
[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-2.0.119/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 -C debug-assertions=off --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"' --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=61ebf8b94dabe873 -C extra-filename=-58182421e2da11ea --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-e532ad5b89842523.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-c842d99617e072ce.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-3d1450b03eaa80c7.rmeta --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 `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-3.0.4/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 -C debug-assertions=off --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"' --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=93cc4939e381f769 -C extra-filename=-b1943b5ea33973db --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-e532ad5b89842523.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-c842d99617e072ce.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-3d1450b03eaa80c7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2", kill_on_drop: false }`
[INFO] [stdout] 6a68602df16af61e268ed9be8ffdd3fa6dc6f04010ab7936bec23c86b66151b2
