[INFO] fetching crate merkle-tree-rs 0.1.0...
[INFO] checking merkle-tree-rs-0.1.0 against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] extracting crate merkle-tree-rs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate merkle-tree-rs 0.1.0
[INFO] finished tweaking crates.io crate merkle-tree-rs 0.1.0
[INFO] tweaked toml for crates.io crate merkle-tree-rs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle-tree-rs 0.1.0 on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 326 packages to latest compatible versions
[INFO] [stderr]       Adding ethers v1.0.2 (available: v2.0.14)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "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 strum v0.24.1
[INFO] [stderr]   Downloaded heck v0.4.1
[INFO] [stderr]   Downloaded ethers-signers v1.0.2
[INFO] [stderr]   Downloaded ethers-addressbook v1.0.2
[INFO] [stderr]   Downloaded base58 v0.1.0
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded base58check v0.1.0
[INFO] [stderr]   Downloaded ff v0.12.1
[INFO] [stderr]   Downloaded ethers-contract-derive v1.0.2
[INFO] [stderr]   Downloaded wasm-timer v0.2.5
[INFO] [stderr]   Downloaded ethers-contract-abigen v1.0.2
[INFO] [stderr]   Downloaded auto_impl v0.5.0
[INFO] [stderr]   Downloaded ethers-contract v1.0.2
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded der v0.6.1
[INFO] [stderr]   Downloaded k256 v0.11.6
[INFO] [stderr]   Downloaded render-tree v0.1.1
[INFO] [stderr]   Downloaded ethers-core v1.0.2
[INFO] [stderr]   Downloaded elliptic-curve v0.12.3
[INFO] [stderr]   Downloaded ethers-middleware v1.0.2
[INFO] [stderr]   Downloaded ethers-providers v1.0.2
[INFO] [stderr]   Downloaded blake2 v0.10.6
[INFO] [stderr]   Downloaded crypto-bigint v0.4.9
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded ethers-etherscan v1.0.2
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded coins-bip32 v0.7.0
[INFO] [stderr]   Downloaded ecdsa v0.14.8
[INFO] [stderr]   Downloaded pkcs8 v0.9.0
[INFO] [stderr]   Downloaded ethers v1.0.2
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded coins-core v0.7.0
[INFO] [stderr]   Downloaded coins-bip39 v0.7.0
[INFO] [stderr]   Downloaded rfc6979 v0.3.1
[INFO] [stderr]   Downloaded serde-aux v4.7.0
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded cargo_metadata v0.15.4
[INFO] [stderr]   Downloaded group v0.12.1
[INFO] [stderr]   Downloaded base16ct v0.1.1
[INFO] [stderr]   Downloaded sec1 v0.3.0
[INFO] [stderr]   Downloaded spki v0.6.0
[INFO] [stderr]   Downloaded strum_macros v0.24.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71e407109487ee90e0e1406e3b2d9eac5ee648405a54d7ca1b77cb70eedaaa79
[INFO] running `Command { std: "docker" "start" "-a" "71e407109487ee90e0e1406e3b2d9eac5ee648405a54d7ca1b77cb70eedaaa79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71e407109487ee90e0e1406e3b2d9eac5ee648405a54d7ca1b77cb70eedaaa79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e407109487ee90e0e1406e3b2d9eac5ee648405a54d7ca1b77cb70eedaaa79", kill_on_drop: false }`
[INFO] [stdout] 71e407109487ee90e0e1406e3b2d9eac5ee648405a54d7ca1b77cb70eedaaa79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5094d86acac7ee4c731b2547994a21105e6de5e2ddb79aa2e13efac80208d45d
[INFO] running `Command { std: "docker" "start" "-a" "5094d86acac7ee4c731b2547994a21105e6de5e2ddb79aa2e13efac80208d45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling cc v1.2.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking k256 v0.11.6
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking base58check v0.1.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c8551d3c63c51f290cf1dc9dc4714249ea849fd1/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.110/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=b963a1411074f984 -C extra-filename=-defec8ab18f8d2b5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adaa2a655fe000c3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ec53b880e3cb018a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5094d86acac7ee4c731b2547994a21105e6de5e2ddb79aa2e13efac80208d45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5094d86acac7ee4c731b2547994a21105e6de5e2ddb79aa2e13efac80208d45d", kill_on_drop: false }`
[INFO] [stdout] 5094d86acac7ee4c731b2547994a21105e6de5e2ddb79aa2e13efac80208d45d