[INFO] fetching crate pallet-dapps-staking 1.3.0...
[INFO] checking pallet-dapps-staking-1.3.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate pallet-dapps-staking 1.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pallet-dapps-staking 1.3.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30eda8739efaac18a86aef687a8f1fc260421163834858dbb5af1e9d69168824
[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" "30eda8739efaac18a86aef687a8f1fc260421163834858dbb5af1e9d69168824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30eda8739efaac18a86aef687a8f1fc260421163834858dbb5af1e9d69168824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30eda8739efaac18a86aef687a8f1fc260421163834858dbb5af1e9d69168824", kill_on_drop: false }`
[INFO] [stdout] 30eda8739efaac18a86aef687a8f1fc260421163834858dbb5af1e9d69168824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afdf710f6ecba44a752e155bd6f812dde82752fc1887cebd177ede98386ca221
[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" "afdf710f6ecba44a752e155bd6f812dde82752fc1887cebd177ede98386ca221", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking pwasm-utils v0.14.0
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0
[INFO] [stderr]     Checking sp-sandbox v0.8.0
[INFO] [stderr]     Checking pallet-contracts-primitives v2.0.0
[INFO] [stderr]     Checking pallet-randomness-collective-flip v2.0.0
[INFO] [stderr]     Checking pallet-transaction-payment-rpc-runtime-api v2.0.0
[INFO] [stderr]     Checking pallet-balances v2.0.0
[INFO] [stderr]     Checking pallet-session v2.0.0
[INFO] [stderr]     Checking pallet-transaction-payment v2.0.0
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking pallet-contracts v2.0.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking sp-npos-elections v2.0.0
[INFO] [stderr]     Checking pallet-contract-operator v1.3.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr] error: could not compile `pallet-session`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pallet_session --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pallet-session-2.0.0/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="historical"' --cfg 'feature="serde"' --cfg 'feature="sp-trie"' --cfg 'feature="std"' -C metadata=acf96cd7e85306f2 -C extra-filename=-acf96cd7e85306f2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern frame_support=/opt/rustwide/target/debug/deps/libframe_support-c345fb382ac2c2f0.rmeta --extern frame_system=/opt/rustwide/target/debug/deps/libframe_system-15c43b8161ec77c4.rmeta --extern impl_trait_for_tuples=/opt/rustwide/target/debug/deps/libimpl_trait_for_tuples-eb4dfb799a6a80dd.so --extern pallet_timestamp=/opt/rustwide/target/debug/deps/libpallet_timestamp-c1d2daea2004f9ef.rmeta --extern codec=/opt/rustwide/target/debug/deps/libparity_scale_codec-c4b52e5a2e677815.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4861c5818d7fdaeb.rmeta --extern sp_core=/opt/rustwide/target/debug/deps/libsp_core-7008c70ae929ea60.rmeta --extern sp_io=/opt/rustwide/target/debug/deps/libsp_io-9b5ce663723acb3b.rmeta --extern sp_runtime=/opt/rustwide/target/debug/deps/libsp_runtime-a5a920e34055d973.rmeta --extern sp_session=/opt/rustwide/target/debug/deps/libsp_session-27ae84924e2fe6aa.rmeta --extern sp_staking=/opt/rustwide/target/debug/deps/libsp_staking-97471494c5001441.rmeta --extern sp_std=/opt/rustwide/target/debug/deps/libsp_std-adea804e0e3bd879.rmeta --extern sp_trie=/opt/rustwide/target/debug/deps/libsp_trie-e1fba284be47d78e.rmeta --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" "afdf710f6ecba44a752e155bd6f812dde82752fc1887cebd177ede98386ca221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdf710f6ecba44a752e155bd6f812dde82752fc1887cebd177ede98386ca221", kill_on_drop: false }`
[INFO] [stdout] afdf710f6ecba44a752e155bd6f812dde82752fc1887cebd177ede98386ca221