[INFO] cloning repository https://github.com/tsharp/model-context-protocol [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsharp/model-context-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsharp%2Fmodel-context-protocol", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsharp%2Fmodel-context-protocol'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52948aed673c6e6aac6347585bed947c19c74dae [INFO] testing tsharp/model-context-protocol against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsharp%2Fmodel-context-protocol" "/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/tsharp/model-context-protocol [INFO] finished tweaking git repo https://github.com/tsharp/model-context-protocol [INFO] tweaked toml for git repo https://github.com/tsharp/model-context-protocol written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tsharp/model-context-protocol 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/tsharp/model-context-protocol 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] 2e9a143620c7201907525b2b98384fb8a75d2a0cba5abaebe2748627e7ec8ae2 [INFO] running `Command { std: "docker" "start" "-a" "2e9a143620c7201907525b2b98384fb8a75d2a0cba5abaebe2748627e7ec8ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e9a143620c7201907525b2b98384fb8a75d2a0cba5abaebe2748627e7ec8ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e9a143620c7201907525b2b98384fb8a75d2a0cba5abaebe2748627e7ec8ae2", kill_on_drop: false }` [INFO] [stdout] 2e9a143620c7201907525b2b98384fb8a75d2a0cba5abaebe2748627e7ec8ae2 [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" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0cce43bbc9c7ced9fa4925a8ef7979a33cea4db3b019c01128c6a7796609671 [INFO] running `Command { std: "docker" "start" "-a" "f0cce43bbc9c7ced9fa4925a8ef7979a33cea4db3b019c01128c6a7796609671", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling cc v1.2.54 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling openssl v0.10.75 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling tracing-core v0.1.36 [INFO] [stderr] Compiling socket2 v0.6.2 [INFO] [stderr] Compiling zmij v1.0.17 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling ipnet v2.11.0 [INFO] [stderr] Compiling sync_wrapper v0.1.2 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling inventory v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling uuid v1.20.0 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling quote v1.0.44 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling dashmap v5.5.3 [INFO] [stderr] Compiling openssl-sys v0.9.111 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling zerovec-derive v0.11.2 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [INFO] [stderr] Compiling tokio v1.49.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.1 [INFO] [stderr] Compiling zerotrie v0.2.3 [INFO] [stderr] Compiling zerovec v0.11.5 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tinystr v0.8.2 [INFO] [stderr] Compiling potential_utf v0.1.4 [INFO] [stderr] Compiling icu_collections v2.1.1 [INFO] [stderr] Compiling icu_locale_core v2.1.1 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling model-context-protocol-macros v0.1.0 (/opt/rustwide/workdir/crates/model-context-protocol-macros) [INFO] [stderr] Compiling icu_provider v2.1.1 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling icu_properties v2.1.2 [INFO] [stderr] Compiling icu_normalizer v2.1.1 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.1.0 [INFO] [stderr] Compiling url v2.5.8 [INFO] [stderr] Compiling tokio-util v0.7.18 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.3.27 [INFO] [stderr] Compiling hyper v0.14.32 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.27 [INFO] [stderr] Compiling model-context-protocol v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.14s [INFO] running `Command { std: "docker" "inspect" "f0cce43bbc9c7ced9fa4925a8ef7979a33cea4db3b019c01128c6a7796609671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0cce43bbc9c7ced9fa4925a8ef7979a33cea4db3b019c01128c6a7796609671", kill_on_drop: false }` [INFO] [stdout] f0cce43bbc9c7ced9fa4925a8ef7979a33cea4db3b019c01128c6a7796609671 [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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6af8cee79076e8611d060e5df1a3da931ea129568139ab588455bf5413bac6cf [INFO] running `Command { std: "docker" "start" "-a" "6af8cee79076e8611d060e5df1a3da931ea129568139ab588455bf5413bac6cf", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v2.10.0 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Compiling mio v1.1.1 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling zerocopy v0.8.36 [INFO] [stderr] Compiling local-waker v0.1.4 [INFO] [stderr] Compiling zstd-safe v7.2.4 [INFO] [stderr] Compiling convert_case v0.10.0 [INFO] [stderr] Compiling time-core v0.1.8 [INFO] [stderr] Compiling regex-lite v0.1.8 [INFO] [stderr] Compiling num-conv v0.2.0 [INFO] [stderr] Compiling bytes v1.11.0 [INFO] [stderr] Compiling tracing-core v0.1.36 [INFO] [stderr] Compiling simd-adler32 v0.3.8 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling cookie v0.16.2 [INFO] [stderr] Compiling actix-utils v3.0.1 [INFO] [stderr] Compiling bytestring v1.5.0 [INFO] [stderr] Compiling time-macros v0.2.26 [INFO] [stderr] Compiling actix-service v2.0.3 [INFO] [stderr] Compiling cc v1.2.54 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling rustix v1.1.3 [INFO] [stderr] Compiling local-channel v0.1.5 [INFO] [stderr] Compiling brotli v8.0.2 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Compiling language-tags v0.3.2 [INFO] [stderr] Compiling derive_more-impl v2.1.1 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling tokio v1.49.0 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling uuid v1.20.0 [INFO] [stderr] Compiling actix-macros v0.2.4 [INFO] [stderr] Compiling impl-more v0.1.9 [INFO] [stderr] Compiling actix-router v0.5.3 [INFO] [stderr] Compiling flate2 v1.1.8 [INFO] [stderr] Compiling time v0.3.46 [INFO] [stderr] Compiling actix-web-codegen v4.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.111 [INFO] [stderr] Compiling zstd-sys v2.0.16+zstd.1.5.7 [INFO] [stderr] Compiling openssl v0.10.75 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] error: could not compile `zerocopy` (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 zerocopy --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.36/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 debuginfo=2 --cfg 'feature="simd"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("__internal_use_only_features_that_work_on_stable", "alloc", "derive", "float-nightly", "simd", "simd-nightly", "std", "zerocopy-derive"))' -C metadata=ea04dbd96ae58910 -C extra-filename=-192d22fc566d02d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --check-cfg 'cfg(no_zerocopy_simd_x86_avx12_1_89_0)' --check-cfg 'cfg(rust, values("1.89.0"))' --check-cfg 'cfg(no_zerocopy_core_error_1_81_0)' --check-cfg 'cfg(rust, values("1.81.0"))' --check-cfg 'cfg(no_zerocopy_diagnostic_on_unimplemented_1_78_0)' --check-cfg 'cfg(rust, values("1.78.0"))' --check-cfg 'cfg(no_zerocopy_generic_bounds_in_const_fn_1_61_0)' --check-cfg 'cfg(rust, values("1.61.0"))' --check-cfg 'cfg(no_zerocopy_target_has_atomics_1_60_0)' --check-cfg 'cfg(rust, values("1.60.0"))' --check-cfg 'cfg(no_zerocopy_aarch64_simd_1_59_0)' --check-cfg 'cfg(rust, values("1.59.0"))' --check-cfg 'cfg(no_zerocopy_panic_in_const_and_vec_try_reserve_1_57_0)' --check-cfg 'cfg(rust, values("1.57.0"))' --check-cfg 'cfg(doc_cfg)' --check-cfg 'cfg(kani)' --check-cfg 'cfg(__ZEROCOPY_INTERNAL_USE_ONLY_NIGHTLY_FEATURES_IN_TESTS)' --check-cfg 'cfg(coverage_nightly)'` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `brotli` (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 brotli --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/brotli-8.0.2/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 debuginfo=2 --cfg 'feature="alloc-stdlib"' --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc-stdlib", "benchmark", "billing", "default", "disable-timer", "disallow_large_window_size", "external-literal-probability", "ffi-api", "float64", "floating_point_context_mixing", "no-stdlib-ffi-binding", "pass-through-ffi-panics", "seccomp", "sha2", "simd", "std", "validation", "vector_scratch_space"))' -C metadata=20049973c9998723 -C extra-filename=-7cfcc33bfaffc6e0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alloc_no_stdlib=/opt/rustwide/target/debug/deps/liballoc_no_stdlib-549d39e6ef2a209a.rmeta --extern alloc_stdlib=/opt/rustwide/target/debug/deps/liballoc_stdlib-f268028bfe206070.rmeta --extern brotli_decompressor=/opt/rustwide/target/debug/deps/libbrotli_decompressor-b70ac6e22efe85f1.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "6af8cee79076e8611d060e5df1a3da931ea129568139ab588455bf5413bac6cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6af8cee79076e8611d060e5df1a3da931ea129568139ab588455bf5413bac6cf", kill_on_drop: false }` [INFO] [stdout] 6af8cee79076e8611d060e5df1a3da931ea129568139ab588455bf5413bac6cf