[INFO] fetching crate sc-block-builder 0.8.0-rc2...
[INFO] checking sc-block-builder-0.8.0-rc2 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate sc-block-builder 0.8.0-rc2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sc-block-builder 0.8.0-rc2 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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] 7d46468e85bc48f15958d52c8b51957a1371012ea1c4365b2078c46863bb169e
[INFO] running `"docker" "start" "-a" "7d46468e85bc48f15958d52c8b51957a1371012ea1c4365b2078c46863bb169e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc2
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc2
[INFO] [stderr]     Checking sp-version v2.0.0-rc2
[INFO] [stderr]     Checking sp-keyring v2.0.0-rc2
[INFO] [stderr]     Checking sp-api v2.0.0-rc2
[INFO] [stderr]     Checking sp-consensus v0.8.0-rc2
[INFO] [stderr]     Checking sp-block-builder v2.0.0-rc2
[INFO] [stderr]     Checking sp-transaction-pool v2.0.0-rc2
[INFO] [stderr]     Checking sc-executor v0.8.0-rc2
[INFO] [stderr]     Checking sp-blockchain v2.0.0-rc2
[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" "7d46468e85bc48f15958d52c8b51957a1371012ea1c4365b2078c46863bb169e"`
[INFO] running `"docker" "rm" "-f" "7d46468e85bc48f15958d52c8b51957a1371012ea1c4365b2078c46863bb169e"`
[INFO] [stdout] 7d46468e85bc48f15958d52c8b51957a1371012ea1c4365b2078c46863bb169e