[INFO] fetching crate ckb-db 0.37.0-pre...
[INFO] documenting ckb-db-0.37.0-pre against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate ckb-db 0.37.0-pre into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ckb-db 0.37.0-pre on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e9af800bc583b2200028140aa5fad47c718cd4f4a96ed48af6d37f8e2dec2e1
[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" "7e9af800bc583b2200028140aa5fad47c718cd4f4a96ed48af6d37f8e2dec2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e9af800bc583b2200028140aa5fad47c718cd4f4a96ed48af6d37f8e2dec2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9af800bc583b2200028140aa5fad47c718cd4f4a96ed48af6d37f8e2dec2e1", kill_on_drop: false }`
[INFO] [stdout] 7e9af800bc583b2200028140aa5fad47c718cd4f4a96ed48af6d37f8e2dec2e1
[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" "RUSTDOCFLAGS=--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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a58ba99322a45319f4b6c8096f06770c6cc8dfe38207c97e7d0cd80e12b2e560
[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" "a58ba99322a45319f4b6c8096f06770c6cc8dfe38207c97e7d0cd80e12b2e560", kill_on_drop: false }`
[INFO] [stderr]     Checking numext-fixed-uint-core v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.4
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking ckb-occupied-capacity v0.37.0-pre
[INFO] [stderr]     Checking ckb-fixed-hash v0.37.0-pre
[INFO] [stderr]     Checking sentry-types v0.11.0
[INFO] [stderr]    Compiling ckb-error v0.37.0-pre
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]    Compiling ckb-rational v0.37.0-pre
[INFO] [stderr]    Compiling cc v1.0.41
[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 openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling ckb-hash v0.37.0-pre
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]    Compiling ckb-types v0.37.0-pre
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr] error: could not compile `numext-fixed-uint-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name numext_fixed_uint_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-fixed-uint-core-0.1.4/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="default"' --cfg 'feature="heapsize"' --cfg 'feature="rand"' --cfg 'feature="serde"' --cfg 'feature="support_heapsize"' --cfg 'feature="support_rand"' --cfg 'feature="support_serde"' -C metadata=f572d55b1a49e3bd -C extra-filename=-f572d55b1a49e3bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-f31e5017cdbd2490.rmeta --extern heapsize=/opt/rustwide/target/debug/deps/libheapsize-1e9476e96a6833f8.rmeta --extern numext_constructor=/opt/rustwide/target/debug/deps/libnumext_constructor-14361c2c737e197d.so --extern rand=/opt/rustwide/target/debug/deps/librand-eac865bbb6348113.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-64ae220e49e99911.rmeta --cap-lints allow` (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] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a58ba99322a45319f4b6c8096f06770c6cc8dfe38207c97e7d0cd80e12b2e560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58ba99322a45319f4b6c8096f06770c6cc8dfe38207c97e7d0cd80e12b2e560", kill_on_drop: false }`
[INFO] [stdout] a58ba99322a45319f4b6c8096f06770c6cc8dfe38207c97e7d0cd80e12b2e560
