[INFO] fetching crate polkadot-staking-miner 1.7.0...
[INFO] documenting polkadot-staking-miner-1.7.0 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate polkadot-staking-miner 1.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate polkadot-staking-miner 1.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate polkadot-staking-miner 1.7.0
[INFO] tweaked toml for crates.io crate polkadot-staking-miner 1.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polkadot-staking-miner 1.7.0 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polkadot-staking-miner 1.7.0 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d025217ddb79865b878caaa703fc3cb922917f0704a36f8187d3dfe31ce6a2d
[INFO] running `Command { std: "docker" "start" "-a" "1d025217ddb79865b878caaa703fc3cb922917f0704a36f8187d3dfe31ce6a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d025217ddb79865b878caaa703fc3cb922917f0704a36f8187d3dfe31ce6a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d025217ddb79865b878caaa703fc3cb922917f0704a36f8187d3dfe31ce6a2d", kill_on_drop: false }`
[INFO] [stdout] 1d025217ddb79865b878caaa703fc3cb922917f0704a36f8187d3dfe31ce6a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eb0cf484748c3540a6fbfa2a8cc89a6b13bad304eee086b7cc71a8a1aed92f7
[INFO] running `Command { std: "docker" "start" "-a" "1eb0cf484748c3540a6fbfa2a8cc89a6b13bad304eee086b7cc71a8a1aed92f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling unicode-xid v0.2.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking trie-db v0.29.1
[INFO] [stderr]     Checking memory-db v0.32.0
[INFO] [stderr]    Compiling sp-io v38.0.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]    Compiling wyz v0.5.1
[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/a394c9cd9ec93787f09a7ac445b14cc674a94549/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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=1a0f356cf9cdee4d -C extra-filename=-529a84f0536ec5ee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f3285e5c19000248.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a942d0243a91198a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "1eb0cf484748c3540a6fbfa2a8cc89a6b13bad304eee086b7cc71a8a1aed92f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb0cf484748c3540a6fbfa2a8cc89a6b13bad304eee086b7cc71a8a1aed92f7", kill_on_drop: false }`
[INFO] [stdout] 1eb0cf484748c3540a6fbfa2a8cc89a6b13bad304eee086b7cc71a8a1aed92f7
