[INFO] fetching crate ckb-tool 0.3.1...
[INFO] testing ckb-tool-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ckb-tool 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ckb-tool 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-tool 0.3.1
[INFO] finished tweaking crates.io crate ckb-tool 0.3.1
[INFO] tweaked toml for crates.io crate ckb-tool 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 3eff71c37d8c486e7a24975dbfd779ea08d29f5172498ad7ee36080b346de831
[INFO] running `Command { std: "docker" "start" "-a" "3eff71c37d8c486e7a24975dbfd779ea08d29f5172498ad7ee36080b346de831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eff71c37d8c486e7a24975dbfd779ea08d29f5172498ad7ee36080b346de831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eff71c37d8c486e7a24975dbfd779ea08d29f5172498ad7ee36080b346de831", kill_on_drop: false }`
[INFO] [stdout] 3eff71c37d8c486e7a24975dbfd779ea08d29f5172498ad7ee36080b346de831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4751503453f21ba3e0f6f0477ece06ab5f7b6a1f5f5948eae425c02d970c3f97
[INFO] running `Command { std: "docker" "start" "-a" "4751503453f21ba3e0f6f0477ece06ab5f7b6a1f5f5948eae425c02d970c3f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling tentacle-secio v0.4.5
[INFO] [stderr]    Compiling ckb-build-info v0.39.1
[INFO] [stderr]    Compiling ckb-db-schema v0.39.1
[INFO] [stderr]    Compiling ckb-vm-definitions v0.19.3
[INFO] [stderr]    Compiling ckb-script v0.39.1
[INFO] [stderr]    Compiling ckb-spawn v0.39.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mapr v0.8.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling includedir v0.5.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling ckb-occupied-capacity-core v0.39.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ckb-logger-config v0.39.1
[INFO] [stderr]    Compiling serde_plain v0.3.0
[INFO] [stderr]    Compiling ckb-fixed-hash-core v0.39.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ckb-channel v0.39.1
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.39.1
[INFO] [stderr]    Compiling molecule v0.6.0
[INFO] [stderr]    Compiling tentacle-multiaddr v0.2.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling async-compression v0.3.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling ckb-logger v0.39.1
[INFO] [stderr]    Compiling jsonrpc-core v14.2.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ckb-metrics-config v0.39.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.39.1
[INFO] [stderr]    Compiling faketime v0.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]    Compiling ckb-occupied-capacity v0.39.1
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling tokio v0.2.25
[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 ring v0.16.20
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]    Compiling ckb-vm v0.19.3
[INFO] [stderr]    Compiling ckb-util v0.39.1
[INFO] [stderr]    Compiling ckb-error v0.39.1
[INFO] [stderr]    Compiling ckb-fixed-hash v0.39.1
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling ckb-hash v0.39.1
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling ckb-crypto v0.39.1
[INFO] [stderr] error: could not compile `numext-constructor`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name numext_constructor --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-constructor-0.1.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=069a05068e2fb435 -C extra-filename=-069a05068e2fb435 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06e97d6f0dfb172f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1b457121b46aa6b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a2653446fd8e335a.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (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] 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" "4751503453f21ba3e0f6f0477ece06ab5f7b6a1f5f5948eae425c02d970c3f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4751503453f21ba3e0f6f0477ece06ab5f7b6a1f5f5948eae425c02d970c3f97", kill_on_drop: false }`
[INFO] [stdout] 4751503453f21ba3e0f6f0477ece06ab5f7b6a1f5f5948eae425c02d970c3f97