[INFO] fetching crate pallet-offences 2.0.0-alpha.7...
[INFO] checking pallet-offences-2.0.0-alpha.7 against try#96b3c169cd2d8959926fa240f10342f1659f8ae3 for pr-71896
[INFO] extracting crate pallet-offences 2.0.0-alpha.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pallet-offences 2.0.0-alpha.7 on toolchain 96b3c169cd2d8959926fa240f10342f1659f8ae3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-offences 2.0.0-alpha.7
[INFO] finished tweaking crates.io crate pallet-offences 2.0.0-alpha.7
[INFO] tweaked toml for crates.io crate pallet-offences 2.0.0-alpha.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "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] f556a44f6a17e27af6667dbf284fde0ebe5f675130bd3d4cb6a1eeb90d60aa31
[INFO] running `"docker" "start" "-a" "f556a44f6a17e27af6667dbf284fde0ebe5f675130bd3d4cb6a1eeb90d60aa31"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking sp-core v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-trie v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-inherents v2.0.0-alpha.7
[INFO] [stderr]     Checking frame-metadata v11.0.0-alpha.7
[INFO] [stderr]     Checking sp-state-machine v0.8.0-alpha.7
[INFO] [stderr]     Checking sp-io v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-runtime v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-version v2.0.0-alpha.7
[INFO] [stderr]     Checking frame-support v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-staking v2.0.0-alpha.7
[INFO] [stderr]     Checking sp-api v2.0.0-alpha.7
[INFO] [stderr]     Checking frame-system v2.0.0-alpha.7
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-alpha.7
[INFO] [stderr]     Checking pallet-balances v2.0.0-alpha.7
[INFO] [stderr]     Checking pallet-offences v2.0.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `sp_core`
[INFO] [stderr]   --> src/mock.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use sp_core::H256;
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `sp_io`
[INFO] [stderr]    --> src/mock.rs:132:26
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub fn new_test_ext() -> sp_io::TestExternalities {
[INFO] [stderr]     |                          ^^^^^ use of undeclared type or module `sp_io`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `sp_io`
[INFO] [stderr]    --> src/mock.rs:134:16
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let mut ext = sp_io::TestExternalities::new(t);
[INFO] [stderr]     |                   ^^^^^ use of undeclared type or module `sp_io`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `pallet-offences`.
[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" "f556a44f6a17e27af6667dbf284fde0ebe5f675130bd3d4cb6a1eeb90d60aa31"`
[INFO] running `"docker" "rm" "-f" "f556a44f6a17e27af6667dbf284fde0ebe5f675130bd3d4cb6a1eeb90d60aa31"`
[INFO] [stdout] f556a44f6a17e27af6667dbf284fde0ebe5f675130bd3d4cb6a1eeb90d60aa31