[INFO] fetching crate ckb-chain-iter 0.38.0...
[INFO] testing ckb-chain-iter-0.38.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ckb-chain-iter 0.38.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ckb-chain-iter 0.38.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-chain-iter 0.38.0
[INFO] finished tweaking crates.io crate ckb-chain-iter 0.38.0
[INFO] tweaked toml for crates.io crate ckb-chain-iter 0.38.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 04135febfe39ace53ac4fa82bfd4e6f308a58fcbc0600272e961804ef288ae84
[INFO] running `Command { std: "docker" "start" "-a" "04135febfe39ace53ac4fa82bfd4e6f308a58fcbc0600272e961804ef288ae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04135febfe39ace53ac4fa82bfd4e6f308a58fcbc0600272e961804ef288ae84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04135febfe39ace53ac4fa82bfd4e6f308a58fcbc0600272e961804ef288ae84", kill_on_drop: false }`
[INFO] [stdout] 04135febfe39ace53ac4fa82bfd4e6f308a58fcbc0600272e961804ef288ae84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 48db46432635e59b4a6ab54ab4095f3f0be171d0e699991cea5c66ed38a410d5
[INFO] running `Command { std: "docker" "start" "-a" "48db46432635e59b4a6ab54ab4095f3f0be171d0e699991cea5c66ed38a410d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ckb-librocksdb-sys v6.7.4
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling tentacle-secio v0.4.0
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr] error: could not compile `pin-project-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-1.0.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=2650177cc1618d92 -C extra-filename=-2650177cc1618d92 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b8449736663a1660.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4ff43fa145cc0264.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-26b40f8e4604ca28.rlib --extern proc_macro --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] 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" "48db46432635e59b4a6ab54ab4095f3f0be171d0e699991cea5c66ed38a410d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48db46432635e59b4a6ab54ab4095f3f0be171d0e699991cea5c66ed38a410d5", kill_on_drop: false }`
[INFO] [stdout] 48db46432635e59b4a6ab54ab4095f3f0be171d0e699991cea5c66ed38a410d5