[INFO] fetching crate kvdb-memorydb 0.6.0...
[INFO] checking kvdb-memorydb-0.6.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate kvdb-memorydb 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kvdb-memorydb 0.6.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kvdb-memorydb 0.6.0
[INFO] finished tweaking crates.io crate kvdb-memorydb 0.6.0
[INFO] tweaked toml for crates.io crate kvdb-memorydb 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] aa9a1216f8e0263b1f4388112f8ed6398da30b9315a84c69d30658659dfc927a
[INFO] running `"docker" "start" "-a" "aa9a1216f8e0263b1f4388112f8ed6398da30b9315a84c69d30658659dfc927a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]     Checking kvdb v0.6.0
[INFO] [stderr]     Checking kvdb-memorydb v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `kvdb_shared_tests`
[INFO] [stderr]    --> src/lib.rs:127:6
[INFO] [stderr]     |
[INFO] [stderr] 127 |     use kvdb_shared_tests as st;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ no `kvdb_shared_tests` external crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `kvdb-memorydb`.
[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" "aa9a1216f8e0263b1f4388112f8ed6398da30b9315a84c69d30658659dfc927a"`
[INFO] running `"docker" "rm" "-f" "aa9a1216f8e0263b1f4388112f8ed6398da30b9315a84c69d30658659dfc927a"`
[INFO] [stdout] aa9a1216f8e0263b1f4388112f8ed6398da30b9315a84c69d30658659dfc927a