[INFO] fetching crate pallet-elections 2.0.0-rc2...
[INFO] checking pallet-elections-2.0.0-rc2 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] extracting crate pallet-elections 2.0.0-rc2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pallet-elections 2.0.0-rc2 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-elections 2.0.0-rc2
[INFO] finished tweaking crates.io crate pallet-elections 2.0.0-rc2
[INFO] tweaked toml for crates.io crate pallet-elections 2.0.0-rc2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c21fca858bbf2da20138c975509553c8f504fe84cb9f647f439304338c6fca7
[INFO] running `"docker" "start" "-a" "4c21fca858bbf2da20138c975509553c8f504fe84cb9f647f439304338c6fca7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc2
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc2
[INFO] [stderr]     Checking sp-core v2.0.0-rc2
[INFO] [stderr]     Checking sp-trie v2.0.0-rc2
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc2
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc2
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc2
[INFO] [stderr]     Checking sp-io v2.0.0-rc2
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc2
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc2
[INFO] [stderr]     Checking frame-support v2.0.0-rc2
[INFO] [stderr]     Checking sp-version v2.0.0-rc2
[INFO] [stderr]     Checking frame-system v2.0.0-rc2
[INFO] [stderr]     Checking pallet-elections v2.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `pallet_balances`
[INFO] [stderr]   --> src/mock.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |     type AccountData = pallet_balances::AccountData<u64>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ use of undeclared type or module `pallet_balances`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `pallet_balances`
[INFO] [stderr]   --> src/mock.rs:70:6
[INFO] [stderr]    |
[INFO] [stderr] 70 | impl pallet_balances::Trait for Test {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^ use of undeclared type or module `pallet_balances`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `pallet_balances`
[INFO] [stderr]    --> src/mock.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         Balances: pallet_balances::{Module, Call, Event<T>, Config<T>},
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^ use of undeclared type or module `pallet_balances`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `pallet_balances`
[INFO] [stderr]    --> src/mock.rs:222:26
[INFO] [stderr]     |
[INFO] [stderr] 222 |             pallet_balances: Some(pallet_balances::GenesisConfig::<Test>{
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^ use of undeclared type or module `pallet_balances`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `pallet-elections`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4c21fca858bbf2da20138c975509553c8f504fe84cb9f647f439304338c6fca7"`
[INFO] running `"docker" "rm" "-f" "4c21fca858bbf2da20138c975509553c8f504fe84cb9f647f439304338c6fca7"`
[INFO] [stdout] 4c21fca858bbf2da20138c975509553c8f504fe84cb9f647f439304338c6fca7