[INFO] fetching crate bear-mcp-server 0.1.1...
[INFO] checking bear-mcp-server-0.1.1 against master#55e86c996809902e8bbad512cfb4d2c18be446d9 for pr-153027
[INFO] extracting crate bear-mcp-server 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate bear-mcp-server 0.1.1
[INFO] finished tweaking crates.io crate bear-mcp-server 0.1.1
[INFO] tweaked toml for crates.io crate bear-mcp-server 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bear-mcp-server 0.1.1 on toolchain 55e86c996809902e8bbad512cfb4d2c18be446d9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bear-mcp-server 0.1.1 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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.21.0
[INFO] [stderr]   Downloaded rmcp-macros v0.3.0
[INFO] [stderr]   Downloaded darling v0.21.0
[INFO] [stderr]   Downloaded schemars_derive v1.0.4
[INFO] [stderr]   Downloaded darling_core v0.21.0
[INFO] [stderr]   Downloaded rmcp v0.3.0
[INFO] [stderr]   Downloaded rustls v0.23.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89510e989239d8b4b5d22d026b412b30ed17faf683cfbf118cf5b8d279b6b102
[INFO] running `Command { std: "docker" "start" "-a" "89510e989239d8b4b5d22d026b412b30ed17faf683cfbf118cf5b8d279b6b102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89510e989239d8b4b5d22d026b412b30ed17faf683cfbf118cf5b8d279b6b102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89510e989239d8b4b5d22d026b412b30ed17faf683cfbf118cf5b8d279b6b102", kill_on_drop: false }`
[INFO] [stdout] 89510e989239d8b4b5d22d026b412b30ed17faf683cfbf118cf5b8d279b6b102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c05fe70dc5753d05960b2a1a300bb30147bd14919096f57042f5cfc0dca2d764
[INFO] running `Command { std: "docker" "start" "-a" "c05fe70dc5753d05960b2a1a300bb30147bd14919096f57042f5cfc0dca2d764", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/55e86c996809902e8bbad512cfb4d2c18be446d9/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=5c31e842d274e362 -C extra-filename=-9d02752457355321 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-15fed4a09c1ab6b3.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-756e876442dee363.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-8d88089869a627e9.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-63e6fb9673d90d44.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-e7bd2ffb932e7c3a.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-011073701ea3a715.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-2998dc56ed90fbb0.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-db1de871cd8706a6.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-f6250375d3ff91a4.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/55e86c996809902e8bbad512cfb4d2c18be446d9/bin/rustc --crate-name serde --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.219/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="rc"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=dfc5561fa8cbf329 -C extra-filename=-03a6d401b6805b09 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-738b9552d5db5c50.so --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_core_try_from)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_float_copysign)' --check-cfg 'cfg(no_num_nonzero_signed)' --check-cfg 'cfg(no_relaxed_trait_bounds)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_systemtime_checked_add)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c05fe70dc5753d05960b2a1a300bb30147bd14919096f57042f5cfc0dca2d764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05fe70dc5753d05960b2a1a300bb30147bd14919096f57042f5cfc0dca2d764", kill_on_drop: false }`
[INFO] [stdout] c05fe70dc5753d05960b2a1a300bb30147bd14919096f57042f5cfc0dca2d764