[INFO] fetching crate ckb-tool 0.2.2...
[INFO] testing ckb-tool-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ckb-tool 0.2.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ckb-tool 0.2.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-tool 0.2.2
[INFO] finished tweaking crates.io crate ckb-tool 0.2.2
[INFO] tweaked toml for crates.io crate ckb-tool 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ckb-dao v0.37.0
[INFO] [stderr]   Downloaded ckb-build-info v0.37.0
[INFO] [stderr]   Downloaded ckb-metrics-config v0.37.0
[INFO] [stderr]   Downloaded ckb-fee-estimator v0.37.0
[INFO] [stderr]   Downloaded ckb-logger-config v0.37.0
[INFO] [stderr]   Downloaded ckb-db v0.37.0
[INFO] [stderr]   Downloaded ckb-logger v0.37.0
[INFO] [stderr]   Downloaded ckb-util v0.37.0
[INFO] [stderr]   Downloaded ckb-app-config v0.37.0
[INFO] [stderr]   Downloaded ckb-store v0.37.0
[INFO] [stderr]   Downloaded ckb-reward-calculator v0.37.0
[INFO] [stderr]   Downloaded ckb-verification v0.37.0
[INFO] [stderr]   Downloaded ckb-async-runtime v0.37.0
[INFO] [stderr]   Downloaded simple-jsonrpc-client v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] cd3e6433677f70d2b6a669b79f9826aa0e91c3c939d556af6f0f6e3737c7234a
[INFO] running `Command { std: "docker" "start" "-a" "cd3e6433677f70d2b6a669b79f9826aa0e91c3c939d556af6f0f6e3737c7234a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3e6433677f70d2b6a669b79f9826aa0e91c3c939d556af6f0f6e3737c7234a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3e6433677f70d2b6a669b79f9826aa0e91c3c939d556af6f0f6e3737c7234a", kill_on_drop: false }`
[INFO] [stdout] cd3e6433677f70d2b6a669b79f9826aa0e91c3c939d556af6f0f6e3737c7234a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 6ed5af118ff43abcfd14505a48d4e2faa95db44043f397c208efa234fb46f62a
[INFO] running `Command { std: "docker" "start" "-a" "6ed5af118ff43abcfd14505a48d4e2faa95db44043f397c208efa234fb46f62a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling eaglesong v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling ckb-build-info v0.37.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling ckb-vm-definitions v0.19.3
[INFO] [stderr]    Compiling ckb-script v0.37.0
[INFO] [stderr]    Compiling merkle-cbt v0.3.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling mapr v0.8.0
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling ckb-logger v0.37.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling ckb-channel v0.37.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.17.0
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling includedir v0.5.0
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]    Compiling faketime v0.2.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling ckb-util v0.37.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[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 ckb-vm v0.19.3
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.118/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="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=039ea2bf0ab90680 -C extra-filename=-039ea2bf0ab90680 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-db895d8aa44ddd87.so --cap-lints allow --cap-lints=warn --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ed5af118ff43abcfd14505a48d4e2faa95db44043f397c208efa234fb46f62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed5af118ff43abcfd14505a48d4e2faa95db44043f397c208efa234fb46f62a", kill_on_drop: false }`
[INFO] [stdout] 6ed5af118ff43abcfd14505a48d4e2faa95db44043f397c208efa234fb46f62a