[INFO] fetching crate ckb-db-migration 0.100.0-rc5...
[INFO] testing ckb-db-migration-0.100.0-rc5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ckb-db-migration 0.100.0-rc5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ckb-db-migration 0.100.0-rc5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-db-migration 0.100.0-rc5
[INFO] finished tweaking crates.io crate ckb-db-migration 0.100.0-rc5
[INFO] tweaked toml for crates.io crate ckb-db-migration 0.100.0-rc5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4119d31348d801808f4a45459dd29c8c38c5908eee966baeb4d1d9964f53a86
[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" "c4119d31348d801808f4a45459dd29c8c38c5908eee966baeb4d1d9964f53a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4119d31348d801808f4a45459dd29c8c38c5908eee966baeb4d1d9964f53a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4119d31348d801808f4a45459dd29c8c38c5908eee966baeb4d1d9964f53a86", kill_on_drop: false }`
[INFO] [stdout] c4119d31348d801808f4a45459dd29c8c38c5908eee966baeb4d1d9964f53a86
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a14f8751b9e82977de0e4f99b1182cb41eec71ea5fa3ed98ef3683657c139f4
[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" "5a14f8751b9e82977de0e4f99b1182cb41eec71ea5fa3ed98ef3683657c139f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.20.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.17/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="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' -C metadata=98a79dc5e87ce6a6 -C extra-filename=-98a79dc5e87ce6a6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-7f783e6660fc68ea.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-e68df3b16b7eb8b6.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-6b1fd5c1f4f92bc3.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-b2d2e737cdb7c12a.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-e1e4f410a9fb8081.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-83590df240015aa2.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-2303f526a35aae07.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-cd107537ca905c26.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-501725f4e360d46d.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-c25b807cb58a0525.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-563805dbdd5c2f4f.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-0fb1f137d136c8f3.rmeta --cap-lints allow --cap-lints=warn --cfg fn_like_proc_macro` (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] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5a14f8751b9e82977de0e4f99b1182cb41eec71ea5fa3ed98ef3683657c139f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a14f8751b9e82977de0e4f99b1182cb41eec71ea5fa3ed98ef3683657c139f4", kill_on_drop: false }`
[INFO] [stdout] 5a14f8751b9e82977de0e4f99b1182cb41eec71ea5fa3ed98ef3683657c139f4