[INFO] fetching crate ckb-chain 0.40.0...
[INFO] checking ckb-chain-0.40.0 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate ckb-chain 0.40.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ckb-chain 0.40.0 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-chain 0.40.0
[INFO] finished tweaking crates.io crate ckb-chain 0.40.0
[INFO] tweaked toml for crates.io crate ckb-chain 0.40.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50540d743ad5b60ff4d18ef1f91c00385f9d555792e6b4152a16991de0689ba4
[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" "50540d743ad5b60ff4d18ef1f91c00385f9d555792e6b4152a16991de0689ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50540d743ad5b60ff4d18ef1f91c00385f9d555792e6b4152a16991de0689ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50540d743ad5b60ff4d18ef1f91c00385f9d555792e6b4152a16991de0689ba4", kill_on_drop: false }`
[INFO] [stdout] 50540d743ad5b60ff4d18ef1f91c00385f9d555792e6b4152a16991de0689ba4
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0dc93c9d31ce6ef3571eb578d3d982b664684c945fab778aa75c6ffb98ada0
[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" "9c0dc93c9d31ce6ef3571eb578d3d982b664684c945fab778aa75c6ffb98ada0", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="blocking"' --cfg 'feature="default"' --cfg 'feature="dns"' --cfg 'feature="fnv"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-named-pipes"' --cfg 'feature="mio-uds"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="process"' --cfg 'feature="rt-core"' --cfg 'feature="rt-threaded"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="sync"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=86df0be2039152dc -C extra-filename=-86df0be2039152dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-be57580f2e325817.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-7162fc9fdc7871c7.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-4ae4698cefd3498f.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-87a22a41619d6ba7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df97b860f7a76404.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0c8d3a2536bb589f.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d5343f6f84b8410b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-8bdd3def90b36ed3.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-a815240041abe7a0.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-d3b43dffe6a3a1f1.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7dbf2463eae31ff8.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-4889cd28b96daeb2.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-18d00b4875e05ce3.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-27aa3faf0d613db4.so --cap-lints allow --cap-lints=forbid` (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] 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" "9c0dc93c9d31ce6ef3571eb578d3d982b664684c945fab778aa75c6ffb98ada0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0dc93c9d31ce6ef3571eb578d3d982b664684c945fab778aa75c6ffb98ada0", kill_on_drop: false }`
[INFO] [stdout] 9c0dc93c9d31ce6ef3571eb578d3d982b664684c945fab778aa75c6ffb98ada0