[INFO] fetching crate ckb-testtool 0.2.0...
[INFO] testing ckb-testtool-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ckb-testtool 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ckb-testtool 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-testtool 0.2.0
[INFO] finished tweaking crates.io crate ckb-testtool 0.2.0
[INFO] tweaked toml for crates.io crate ckb-testtool 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55a00f9b29c7e58cd0ce4bd744face61064d5c06009379d98a674abba13c6146
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55a00f9b29c7e58cd0ce4bd744face61064d5c06009379d98a674abba13c6146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a00f9b29c7e58cd0ce4bd744face61064d5c06009379d98a674abba13c6146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a00f9b29c7e58cd0ce4bd744face61064d5c06009379d98a674abba13c6146", kill_on_drop: false }`
[INFO] [stdout] 55a00f9b29c7e58cd0ce4bd744face61064d5c06009379d98a674abba13c6146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6c815c69c17b46f80042dad9f3a76f683f47b32cebb18507de4cfe477983aac
[INFO] running `Command { std: "docker" "start" "-a" "f6c815c69c17b46f80042dad9f3a76f683f47b32cebb18507de4cfe477983aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling eaglesong v0.1.0
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling ckb-build-info v0.37.0-pre
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling ckb-vm-definitions v0.19.2
[INFO] [stderr]    Compiling ckb-script v0.37.0-pre
[INFO] [stderr]    Compiling ckb-always-success-script v0.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling merkle-cbt v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling ckb-logger v0.37.0-pre
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling ckb-channel v0.37.0-pre
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling includedir v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling lru v0.6.0
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling faketime v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]    Compiling ckb-util v0.37.0-pre
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling numext-constructor v0.1.4
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]    Compiling ckb-vm v0.19.2
[INFO] [stderr]    Compiling ckb-hash v0.37.0-pre
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling openssl v0.10.30
[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-1.0.44/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"' --cfg 'feature="visit-mut"' -C metadata=ad61cb08ec8b4a6c -C extra-filename=-ad61cb08ec8b4a6c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b533cced430adc3c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1af776faa820709e.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8a058fa190690d36.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f6c815c69c17b46f80042dad9f3a76f683f47b32cebb18507de4cfe477983aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c815c69c17b46f80042dad9f3a76f683f47b32cebb18507de4cfe477983aac", kill_on_drop: false }`
[INFO] [stdout] f6c815c69c17b46f80042dad9f3a76f683f47b32cebb18507de4cfe477983aac
