[INFO] fetching crate sc-block-builder 0.8.0-rc2...
[INFO] checking sc-block-builder-0.8.0-rc2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate sc-block-builder 0.8.0-rc2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sc-block-builder 0.8.0-rc2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-block-builder 0.8.0-rc2
[INFO] finished tweaking crates.io crate sc-block-builder 0.8.0-rc2
[INFO] tweaked toml for crates.io crate sc-block-builder 0.8.0-rc2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 3440ca8e6ea53214d09df67fff9163baf0e97f23ee088dd02535632f35c6c5f6
[INFO] running `"docker" "start" "-a" "3440ca8e6ea53214d09df67fff9163baf0e97f23ee088dd02535632f35c6c5f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking sc-client-api v2.0.0-rc2
[INFO] [stderr]     Checking sc-block-builder v0.8.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `substrate_test_runtime_client`
[INFO] [stderr]    --> src/lib.rs:223:6
[INFO] [stderr]     |
[INFO] [stderr] 223 |     use substrate_test_runtime_client::{DefaultTestClientBuilderExt, TestClientBuilderExt};
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `substrate_test_runtime_client`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `substrate_test_runtime_client`
[INFO] [stderr]    --> src/lib.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let builder = substrate_test_runtime_client::TestClientBuilder::new();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `substrate_test_runtime_client`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sp_blockchain::HeaderBackend`
[INFO] [stderr]    --> src/lib.rs:220:6
[INFO] [stderr]     |
[INFO] [stderr] 220 |     use sp_blockchain::HeaderBackend;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[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 `sc-block-builder`.
[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" "3440ca8e6ea53214d09df67fff9163baf0e97f23ee088dd02535632f35c6c5f6"`
[INFO] running `"docker" "rm" "-f" "3440ca8e6ea53214d09df67fff9163baf0e97f23ee088dd02535632f35c6c5f6"`
[INFO] [stdout] 3440ca8e6ea53214d09df67fff9163baf0e97f23ee088dd02535632f35c6c5f6