[INFO] fetching crate ckb-db 0.37.0-pre...
[INFO] testing ckb-db-0.37.0-pre against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ckb-db 0.37.0-pre into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ckb-db 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 0.37.0-pre
[INFO] finished tweaking crates.io crate ckb-db 0.37.0-pre
[INFO] tweaked toml for crates.io crate ckb-db 0.37.0-pre written to /workspace/builds/worker-6/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-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" "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] aca910c96ef986c78f32172b37e05f42fabb6dd2068c102e2750f531a0acc098
[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" "aca910c96ef986c78f32172b37e05f42fabb6dd2068c102e2750f531a0acc098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca910c96ef986c78f32172b37e05f42fabb6dd2068c102e2750f531a0acc098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca910c96ef986c78f32172b37e05f42fabb6dd2068c102e2750f531a0acc098", kill_on_drop: false }`
[INFO] [stdout] aca910c96ef986c78f32172b37e05f42fabb6dd2068c102e2750f531a0acc098
[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" "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] [stdout] 414a25984da2db2ba3a10daf7976c1ceb1d6d0d9ded3c0280421428343bb6d82
[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" "414a25984da2db2ba3a10daf7976c1ceb1d6d0d9ded3c0280421428343bb6d82", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]    Compiling ckb-hash v0.37.0-pre
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling ckb-types v0.37.0-pre
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling ckb-crypto v0.37.0-pre
[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-0.2.22/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="dns"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="rt-core"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="tcp"' --cfg 'feature="time"' -C metadata=63471377ce8ee111 -C extra-filename=-63471377ce8ee111 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c7304fb47ad8758a.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-e37de02a0c711b64.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-7e7fadef35a51dee.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-8df1994bb164e7a2.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-87ab14474b4b4a67.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-c1698f8a709da8a3.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-e0e9bebbbea2c5c2.rmeta --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] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "414a25984da2db2ba3a10daf7976c1ceb1d6d0d9ded3c0280421428343bb6d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414a25984da2db2ba3a10daf7976c1ceb1d6d0d9ded3c0280421428343bb6d82", kill_on_drop: false }`
[INFO] [stdout] 414a25984da2db2ba3a10daf7976c1ceb1d6d0d9ded3c0280421428343bb6d82
