[INFO] fetching crate ckb-db-migration 0.37.0-pre...
[INFO] testing ckb-db-migration-0.37.0-pre against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ckb-db-migration 0.37.0-pre into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ckb-db-migration 0.37.0-pre on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-db-migration 0.37.0-pre
[INFO] finished tweaking crates.io crate ckb-db-migration 0.37.0-pre
[INFO] tweaked toml for crates.io crate ckb-db-migration 0.37.0-pre written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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" "+beta-2020-10-09" "fetch" "--locked" "--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-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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b130ad85cea9f6333927e612b684f21d593f5ae454f164efd45c305412a3ead
[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" "1b130ad85cea9f6333927e612b684f21d593f5ae454f164efd45c305412a3ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b130ad85cea9f6333927e612b684f21d593f5ae454f164efd45c305412a3ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b130ad85cea9f6333927e612b684f21d593f5ae454f164efd45c305412a3ead", kill_on_drop: false }`
[INFO] [stdout] 1b130ad85cea9f6333927e612b684f21d593f5ae454f164efd45c305412a3ead
[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" "+beta-2020-10-09" "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] d892bf4e9ead291fe9ae75c7a9a6aee87fbe1e79dd79d16a10b5f0de6f997e35
[INFO] running `Command { std: "docker" "start" "-a" "d892bf4e9ead291fe9ae75c7a9a6aee87fbe1e79dd79d16a10b5f0de6f997e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling eaglesong v0.1.0
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling ckb-build-info v0.37.0-pre
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling ckb-logger v0.37.0-pre
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.17.0
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling includedir v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[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 bytes v0.5.6
[INFO] [stderr]    Compiling ckb-fixed-hash-core v0.37.0-pre
[INFO] [stderr]    Compiling ckb-occupied-capacity-core v0.37.0-pre
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_plain v0.3.0
[INFO] [stderr]    Compiling ckb-metrics-config v0.37.0-pre
[INFO] [stderr]    Compiling ckb-logger-config v0.37.0-pre
[INFO] [stderr]    Compiling molecule v0.6.0
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling tentacle-multiaddr v0.1.0
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.37.0-pre
[INFO] [stderr]    Compiling debugid v0.4.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.37.0-pre
[INFO] [stderr]    Compiling ckb-hash v0.37.0-pre
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling jsonrpc-core v14.2.0
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_json --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.59/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="default"' --cfg 'feature="std"' -C metadata=25affe02d3201a10 -C extra-filename=-25affe02d3201a10 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-2e05c866ee66a047.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-f59829dd55cb0771.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3e169d55877b09ec.rmeta --cap-lints allow --cap-lints=warn --cfg limb_width_64` (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] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d892bf4e9ead291fe9ae75c7a9a6aee87fbe1e79dd79d16a10b5f0de6f997e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d892bf4e9ead291fe9ae75c7a9a6aee87fbe1e79dd79d16a10b5f0de6f997e35", kill_on_drop: false }`
[INFO] [stdout] d892bf4e9ead291fe9ae75c7a9a6aee87fbe1e79dd79d16a10b5f0de6f997e35
