[INFO] fetching crate npos-miner 0.0.9...
[INFO] testing npos-miner-0.0.9 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[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 b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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 465 packages to latest compatible versions
[INFO] [stderr]       Adding bounded-collections v0.1.9 (available: v0.3.2)
[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: v42.0.0)
[INFO] [stderr]       Adding frame-support v27.0.0 (available: v42.0.0)
[INFO] [stderr]       Adding pallet-election-provider-multi-phase v26.0.0 (available: v41.0.0)
[INFO] [stderr]       Adding parity-scale-codec v3.6.11 (available: v3.7.5)
[INFO] [stderr]       Adding parity-scale-codec-derive v3.6.9 (available: v3.7.5)
[INFO] [stderr]       Adding scale-info v2.11.2 (available: v2.11.6)
[INFO] [stderr]       Adding scale-info-derive v2.11.2 (available: v2.11.6)
[INFO] [stderr]       Adding sp-core v27.0.0 (available: v38.0.0)
[INFO] [stderr]       Adding sp-io v29.0.0 (available: v42.0.0)
[INFO] [stderr]       Adding sp-npos-elections v25.0.0 (available: v38.0.0)
[INFO] [stderr]       Adding sp-runtime v30.0.1 (available: v43.0.0)
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e473ff7edd5f977dc0203d6ce5366ccb94181d1189442ed43f23bedce12162
[INFO] running `Command { std: "docker" "start" "-a" "40e473ff7edd5f977dc0203d6ce5366ccb94181d1189442ed43f23bedce12162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e473ff7edd5f977dc0203d6ce5366ccb94181d1189442ed43f23bedce12162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e473ff7edd5f977dc0203d6ce5366ccb94181d1189442ed43f23bedce12162", kill_on_drop: false }`
[INFO] [stdout] 40e473ff7edd5f977dc0203d6ce5366ccb94181d1189442ed43f23bedce12162
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 408353035ad875f52113e776eb000a964681411fe7f0e127ebf9c1dfdcdfe2af
[INFO] running `Command { std: "docker" "start" "-a" "408353035ad875f52113e776eb000a964681411fe7f0e127ebf9c1dfdcdfe2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling sp-std v13.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]    Compiling wasmtime-runtime v8.0.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]    Compiling wasmtime-asm-macros v8.0.1
[INFO] [stderr]    Compiling wasmtime-jit-debug v8.0.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sp-debug-derive v13.0.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v8.0.1
[INFO] [stderr]    Compiling wasmtime v8.0.1
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling cranelift-entity v0.95.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling impl-serde v0.4.0
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling object v0.30.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling wasmparser v0.102.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hash-db v0.16.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling libsecp256k1 v0.7.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling merlin v3.0.0
[INFO] [stderr]    Compiling getrandom_or_panic v0.0.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling environmental v1.1.4
[INFO] [stderr]    Compiling hex-conservative v0.1.2
[INFO] [stderr]    Compiling schnorrkel v0.11.5
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[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/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=25e26c4e8a3547ee -C extra-filename=-f57ff5f17dc10a7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "408353035ad875f52113e776eb000a964681411fe7f0e127ebf9c1dfdcdfe2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408353035ad875f52113e776eb000a964681411fe7f0e127ebf9c1dfdcdfe2af", kill_on_drop: false }`
[INFO] [stdout] 408353035ad875f52113e776eb000a964681411fe7f0e127ebf9c1dfdcdfe2af