[INFO] fetching crate polkadot-mcp 0.1.0...
[INFO] fixing polkadot-mcp-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate polkadot-mcp 0.1.0 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polkadot-mcp 0.1.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scale-encode-derive v0.10.1
[INFO] [stderr]   Downloaded subxt-metadata v0.42.1
[INFO] [stderr]   Downloaded subxt-rpcs v0.42.1
[INFO] [stderr]   Downloaded subxt-signer v0.42.1
[INFO] [stderr]   Downloaded subxt-lightclient v0.42.1
[INFO] [stderr]   Downloaded frame-decode v0.8.3
[INFO] [stderr]   Downloaded pastey v0.2.1
[INFO] [stderr]   Downloaded subxt-utils-fetchmetadata v0.42.1
[INFO] [stderr]   Downloaded subxt v0.42.1
[INFO] [stderr]   Downloaded subxt-codegen v0.42.1
[INFO] [stderr]   Downloaded rmcp v0.16.0
[INFO] [stderr]   Downloaded subxt-core v0.42.1
[INFO] [stderr]   Downloaded rmcp-macros v0.16.0
[INFO] [stderr]   Downloaded subxt-macro v0.42.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7
[INFO] running `Command { std: "docker" "start" "cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7", 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" "cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling toml_datetime v1.0.0+spec-1.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling toml_edit v0.25.4+spec-1.1.0
[INFO] [stderr]     Checking uint v0.10.0
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking impl-serde v0.5.0
[INFO] [stderr]     Checking openssl-probe v0.2.1
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.114
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]     Checking blake2b_simd v1.0.4
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.7.5
[INFO] [stderr]    Compiling scale-info-derive v2.11.6
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pin-project v1.1.11
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling scale-decode-derive v0.16.2
[INFO] [stderr]    Compiling scale-encode-derive v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.114
[INFO] [stderr]     Checking jsonrpsee-types v0.24.10
[INFO] [stderr]    Compiling sp-crypto-hashing v0.1.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking soketto v0.8.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.114
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking yap v0.12.0
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking hex-conservative v0.2.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking scale-info v2.11.6
[INFO] [stderr]     Checking impl-codec v0.7.1
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]    Compiling subxt-utils-fetchmetadata v0.42.1
[INFO] [stderr]     Checking curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking bitcoin_hashes v0.14.1
[INFO] [stderr]     Checking rustls-webpki v0.103.9
[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/622891a4e29178280638a6b63a8908bde2c0c854/bin/rustc --crate-name zerocopy --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.42/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 --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=62fdb8c025d80cc6 -C extra-filename=-5da094f7d228a0e8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --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(__ZEROCOPY_INTERNAL_USE_ONLY_DEV_MODE)' --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 `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/622891a4e29178280638a6b63a8908bde2c0c854/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 --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(target_os, values("cygwin"))' --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=-094edd03fba095a6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-9d22a5aba815465e.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-49baa6e614260ccb.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-7636ed5077bc49f2.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-ee2226ef235c1469.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-39c45f83b74c746b.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-33ade0deb2896ff2.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-59c0fc323c4d325f.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-e58c66f9154f08f7.so --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7", kill_on_drop: false }`
[INFO] [stdout] cbdccfd48593fb5069fd4665ef439c721cd2f167caba3a00cb6c32793d2e03d7
