[INFO] fetching crate pallet-dapps-staking 1.3.0...
[INFO] checking pallet-dapps-staking-1.3.0 against beta for pr-78714
[INFO] extracting crate pallet-dapps-staking 1.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pallet-dapps-staking 1.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-dapps-staking 1.3.0
[INFO] finished tweaking crates.io crate pallet-dapps-staking 1.3.0
[INFO] tweaked toml for crates.io crate pallet-dapps-staking 1.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 423e6039d27e81ade2ecef356fb75a4b8be8c105068e62bab37f62e550ccd33b
[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" "423e6039d27e81ade2ecef356fb75a4b8be8c105068e62bab37f62e550ccd33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "423e6039d27e81ade2ecef356fb75a4b8be8c105068e62bab37f62e550ccd33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423e6039d27e81ade2ecef356fb75a4b8be8c105068e62bab37f62e550ccd33b", kill_on_drop: false }`
[INFO] [stdout] 423e6039d27e81ade2ecef356fb75a4b8be8c105068e62bab37f62e550ccd33b
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a923aff9320570316a3459f35444f7cb53736ae600166516db4d790e4801a3
[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" "49a923aff9320570316a3459f35444f7cb53736ae600166516db4d790e4801a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking pwasm-utils v0.14.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0
[INFO] [stderr]     Checking sp-arithmetic v2.0.0
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking sp-tracing v2.0.0
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0
[INFO] [stderr]     Checking sp-npos-elections v2.0.0
[INFO] [stderr] error: could not compile `sp-api-proc-macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sp_api_proc_macro --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-api-proc-macro-2.0.0/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 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=8ed6b3c05d963d27 -C extra-filename=-8ed6b3c05d963d27 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-108c3d5a6798fe23.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-40fc27e7bdf375e3.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-db256853d8ab4a1e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-ade5fbeeb7bccbe4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-9d686db2812536c7.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (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" "49a923aff9320570316a3459f35444f7cb53736ae600166516db4d790e4801a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a923aff9320570316a3459f35444f7cb53736ae600166516db4d790e4801a3", kill_on_drop: false }`
[INFO] [stdout] 49a923aff9320570316a3459f35444f7cb53736ae600166516db4d790e4801a3