[INFO] fetching crate ckb-index 0.100.0-rc2...
[INFO] checking ckb-index-0.100.0-rc2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate ckb-index 0.100.0-rc2 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate ckb-index 0.100.0-rc2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-index 0.100.0-rc2
[INFO] finished tweaking crates.io crate ckb-index 0.100.0-rc2
[INFO] tweaked toml for crates.io crate ckb-index 0.100.0-rc2 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0bb7b4c327e34f2ffc1fad5ddbc46d09ed3d7bcb877f4c99e5c42f6616d4386
[INFO] running `Command { std: "docker" "start" "-a" "b0bb7b4c327e34f2ffc1fad5ddbc46d09ed3d7bcb877f4c99e5c42f6616d4386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bb7b4c327e34f2ffc1fad5ddbc46d09ed3d7bcb877f4c99e5c42f6616d4386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bb7b4c327e34f2ffc1fad5ddbc46d09ed3d7bcb877f4c99e5c42f6616d4386", kill_on_drop: false }`
[INFO] [stdout] b0bb7b4c327e34f2ffc1fad5ddbc46d09ed3d7bcb877f4c99e5c42f6616d4386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11eb416330c7919c5392777f313c5ecb38d799deadfff9965580721d3fac15a2
[INFO] running `Command { std: "docker" "start" "-a" "11eb416330c7919c5392777f313c5ecb38d799deadfff9965580721d3fac15a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling faster-hex v0.6.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ckb-script v0.100.0-rc2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ckb-vm-definitions v0.20.0-rc4
[INFO] [stderr]     Checking ckb-constant v0.100.0-rc2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking faster-hex v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling merkle-cbt v0.3.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking mapr v0.8.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking ckb-logger v0.100.0-rc2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling ckb-channel v0.100.0-rc2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking includedir v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling ckb-vm v0.20.0-rc4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.11.6
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking ckb-hash v0.100.0-rc2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.75/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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"' -C metadata=77dc0a561e83639a -C extra-filename=-77dc0a561e83639a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72dd94e62781faf3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-754b571958ad5368.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.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" "11eb416330c7919c5392777f313c5ecb38d799deadfff9965580721d3fac15a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11eb416330c7919c5392777f313c5ecb38d799deadfff9965580721d3fac15a2", kill_on_drop: false }`
[INFO] [stdout] 11eb416330c7919c5392777f313c5ecb38d799deadfff9965580721d3fac15a2