[INFO] fetching crate rustant-mcp 1.0.1...
[INFO] testing rustant-mcp-1.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate rustant-mcp 1.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rustant-mcp 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustant-mcp 1.0.1
[INFO] tweaked toml for crates.io crate rustant-mcp 1.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustant-mcp 1.0.1 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 rustant-mcp 1.0.1 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 zmij v1.0.18
[INFO] [stderr]   Downloaded deflate64 v0.1.10
[INFO] [stderr]   Downloaded wat v1.244.0
[INFO] [stderr]   Downloaded tantivy-tokenizer-api v0.3.0
[INFO] [stderr]   Downloaded ownedbytes v0.7.0
[INFO] [stderr]   Downloaded wasmi_collections v1.0.8
[INFO] [stderr]   Downloaded tantivy-common v0.7.0
[INFO] [stderr]   Downloaded tantivy-stacker v0.3.0
[INFO] [stderr]   Downloaded sketches-ddsketch v0.2.2
[INFO] [stderr]   Downloaded measure_time v0.8.3
[INFO] [stderr]   Downloaded wasmi_ir v1.0.8
[INFO] [stderr]   Downloaded wasmi_core v1.0.8
[INFO] [stderr]   Downloaded tantivy-sstable v0.3.0
[INFO] [stderr]   Downloaded tantivy-bitpacker v0.6.0
[INFO] [stderr]   Downloaded fancy-regex v0.13.0
[INFO] [stderr]   Downloaded tantivy-query-grammar v0.22.0
[INFO] [stderr]   Downloaded tantivy-columnar v0.3.0
[INFO] [stderr]   Downloaded rustant-tools v1.0.1
[INFO] [stderr]   Downloaded wast v244.0.0
[INFO] [stderr]   Downloaded wasmi v1.0.8
[INFO] [stderr]   Downloaded self-replace v1.5.0
[INFO] [stderr]   Downloaded wasmparser v0.228.0
[INFO] [stderr]   Downloaded self_update v0.41.0
[INFO] [stderr]   Downloaded rustant-core v1.0.1
[INFO] [stderr]   Downloaded quick-xml v0.23.1
[INFO] [stderr]   Downloaded tantivy v0.22.1
[INFO] [stderr]   Downloaded tiktoken-rs v0.9.1
[INFO] [stderr]   Downloaded lettre v0.11.19
[INFO] [stderr]   Downloaded webpki-roots v1.0.5
[INFO] [stderr]   Downloaded email-encoding v0.4.1
[INFO] [stderr]   Downloaded stacker v0.1.22
[INFO] [stderr]   Downloaded fs-err v3.2.2
[INFO] [stderr]   Downloaded psm v0.1.29
[INFO] [stderr]   Downloaded dbus-secret-service v4.1.0
[INFO] [stderr]   Downloaded cron v0.13.0
[INFO] [stderr]   Downloaded cap-std v3.4.5
[INFO] [stderr]   Downloaded axum-server v0.7.3
[INFO] [stderr]   Downloaded cap-primitives v3.4.5
[INFO] [stderr]   Downloaded async-imap v0.11.1
[INFO] [stderr]   Downloaded stop-token v0.7.0
[INFO] [stderr]   Downloaded imap-proto v0.16.6
[INFO] [stderr]   Downloaded async-compression v0.4.37
[INFO] [stderr]   Downloaded compression-codecs v0.4.36
[INFO] [stderr]   Downloaded genpdf v0.2.0
[INFO] [stderr]   Downloaded const_fn v0.4.11
[INFO] [stderr]   Downloaded referencing v0.27.1
[INFO] [stderr]   Downloaded printpdf v0.3.4
[INFO] [stderr]   Downloaded jsonschema v0.27.1
[INFO] [stderr]   Downloaded pom v3.4.0
[INFO] [stderr]   Downloaded lopdf v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267
[INFO] running `Command { std: "docker" "start" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267", 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" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267" "/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" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267", 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" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling zerocopy v0.8.37
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zmij v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling io-lifetimes v2.0.4
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[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/1.99.0-beta.8-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-0.8.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -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=b821817b9a2fd876 -C extra-filename=-3f2dd4f0badfd6e9 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --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 `zerocopy` (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 zerocopy --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --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=d1e4d96a5579d08a -C extra-filename=-e2c4040caadcfb28 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/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] error: could not compile `tokio` (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 tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=97a5087a784f87ca -C extra-filename=-5af9e46dc7ecf935 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern bytes=/opt/rustwide/target/release/deps/libbytes-4eeb723b82a97eeb.rmeta --extern libc=/opt/rustwide/target/release/deps/liblibc-6e32314a1a8360bf.rmeta --extern mio=/opt/rustwide/target/release/deps/libmio-4ac8ae01c4bcdecc.rmeta --extern pin_project_lite=/opt/rustwide/target/release/deps/libpin_project_lite-a042d89c9815bfb5.rmeta --extern signal_hook_registry=/opt/rustwide/target/release/deps/libsignal_hook_registry-463600c4ea9b0567.rmeta --extern socket2=/opt/rustwide/target/release/deps/libsocket2-c8d8150bde797e28.rmeta --extern tokio_macros=/opt/rustwide/target/release/deps/libtokio_macros-60c5f24d940790d2.so --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267", kill_on_drop: false }`
[INFO] [stdout] 2c601b80e3e6af7b4750b11594a570d6fb56f5034631bfb3d93ac6634e0dd267
