[INFO] fetching crate polkadot-mcp 0.1.0...
[INFO] checking polkadot-mcp-0.1.0 against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] extracting crate polkadot-mcp 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate polkadot-mcp 0.1.0
[INFO] finished tweaking crates.io crate polkadot-mcp 0.1.0
[INFO] tweaked toml for crates.io crate polkadot-mcp 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polkadot-mcp 0.1.0 on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polkadot-mcp 0.1.0 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" "+b66808126f24f2f30898306a881e1676824ea80c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46
[INFO] running `Command { std: "docker" "start" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46", 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" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling toml_datetime v1.0.0+spec-1.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.114
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling toml_edit v0.25.4+spec-1.1.0
[INFO] [stderr]     Checking blake2b_simd v1.0.4
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking impl-serde v0.5.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking sp-crypto-hashing v0.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking jsonrpsee-types v0.24.10
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5
[INFO] [stderr]    Compiling scale-info-derive v2.11.6
[INFO] [stderr]     Checking pin-project v1.1.11
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.114
[INFO] [stderr]    Compiling wasm-bindgen v0.2.114
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking yap v0.12.0
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking hex-conservative v0.2.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking bitcoin_hashes v0.14.1
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking curve25519-dalek v4.1.3
[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/b66808126f24f2f30898306a881e1676824ea80c/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.50.0/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="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --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=def8b0975f756f9c -C extra-filename=-2fb96852b4e1ec2d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c3c82aecfaa31497.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6f65a897ddedb32c.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-46f64652e77ffaca.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-8f5941a23d020c9e.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7176d3be2b7ee2e1.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-580a44cfc0a51087.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-c0ba1ba8b4b3a90a.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-5245f75f1c433b38.so --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 `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b66808126f24f2f30898306a881e1676824ea80c/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.32/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="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="bilock"' --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"' --cfg 'feature="unstable"' --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", "libc", "memchr", "portable-atomic", "sink", "slab", "spin", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=3f78b75c6fdd8906 -C extra-filename=-b94b661790b80ea3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-92a9fbaa3c385fd0.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-538a9e761a815493.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-9e81806bd86648ca.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-497fa74e1fd189b0.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-80687936758fa695.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-5659e03b11eeaa1f.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-3d944e3b9ac373a3.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7176d3be2b7ee2e1.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-101f873bca723251.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46", kill_on_drop: false }`
[INFO] [stdout] 5ac666238624cda0e8cbc98166b164052739904f73371ab996325fe89b9eaa46
