[INFO] fetching crate npos-miner 0.0.9...
[INFO] checking npos-miner-0.0.9 against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] extracting crate npos-miner 0.0.9 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate npos-miner 0.0.9
[INFO] finished tweaking crates.io crate npos-miner 0.0.9
[INFO] tweaked toml for crates.io crate npos-miner 0.0.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate npos-miner 0.0.9 on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 456 packages to latest compatible versions
[INFO] [stderr]       Adding bounded-collections v0.1.9 (available: v0.3.2)
[INFO] [stderr]       Adding crypto-common v0.1.6 (available: v0.1.7)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding frame-election-provider-solution-type v12.0.0 (available: v16.1.1)
[INFO] [stderr]       Adding frame-election-provider-support v27.0.0 (available: v43.0.0)
[INFO] [stderr]       Adding frame-support v27.0.0 (available: v43.0.0)
[INFO] [stderr]       Adding pallet-election-provider-multi-phase v26.0.0 (available: v42.0.0)
[INFO] [stderr]       Adding sp-core v27.0.0 (available: v38.1.0)
[INFO] [stderr]       Adding sp-io v29.0.0 (available: v43.0.0)
[INFO] [stderr]       Adding sp-npos-elections v25.0.0 (available: v39.0.0)
[INFO] [stderr]       Adding sp-runtime v30.0.1 (available: v44.0.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding toml v0.8.2 (available: v0.8.23)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (available: v0.6.11)
[INFO] [stderr]       Adding toml_edit v0.20.2 (available: v0.20.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 311f7a192b52e66a7eddf45a2f03570d17184393c94a3b1839e04f1d6ffa6fbc
[INFO] running `Command { std: "docker" "start" "-a" "311f7a192b52e66a7eddf45a2f03570d17184393c94a3b1839e04f1d6ffa6fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "311f7a192b52e66a7eddf45a2f03570d17184393c94a3b1839e04f1d6ffa6fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311f7a192b52e66a7eddf45a2f03570d17184393c94a3b1839e04f1d6ffa6fbc", kill_on_drop: false }`
[INFO] [stdout] 311f7a192b52e66a7eddf45a2f03570d17184393c94a3b1839e04f1d6ffa6fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7f7fdad087fb0e4c215f286176a5143cd391a1dd0cc4bfc7c08e17586ba278
[INFO] running `Command { std: "docker" "start" "-a" "9e7f7fdad087fb0e4c215f286176a5143cd391a1dd0cc4bfc7c08e17586ba278", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking sp-std v13.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling wasmtime-runtime v8.0.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking wasmtime-asm-macros v8.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wasmtime-jit-debug v8.0.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v8.0.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling wasmtime v8.0.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking memfd v0.6.5
[INFO] [stderr]     Checking hash-db v0.16.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling libsecp256k1 v0.7.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking getrandom_or_panic v0.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking environmental v1.1.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking blake2b_simd v1.0.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking array-bytes v6.2.3
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking memory-db v0.32.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking trie-db v0.28.0
[INFO] [stderr]     Checking trie-root v0.18.0
[INFO] [stderr]     Checking schnellru v0.2.4
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]    Compiling sp-io v29.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling common-path v1.0.0
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]     Checking simple-mermaid v0.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling sha3 v0.10.8
[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/943e2200e35c3825486c4671b6cab0107a07f8c1/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=bbf3fba9bf450f47 -C extra-filename=-9654c080fa22e42f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7f248eb89d15af9d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e50ca8f86bc2df2a.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" "9e7f7fdad087fb0e4c215f286176a5143cd391a1dd0cc4bfc7c08e17586ba278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7f7fdad087fb0e4c215f286176a5143cd391a1dd0cc4bfc7c08e17586ba278", kill_on_drop: false }`
[INFO] [stdout] 9e7f7fdad087fb0e4c215f286176a5143cd391a1dd0cc4bfc7c08e17586ba278
