[INFO] fetching crate tokio-cache 0.2.0-alpha.0...
[INFO] checking tokio-cache-0.2.0-alpha.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate tokio-cache 0.2.0-alpha.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tokio-cache 0.2.0-alpha.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-cache 0.2.0-alpha.0
[INFO] finished tweaking crates.io crate tokio-cache 0.2.0-alpha.0
[INFO] tweaked toml for crates.io crate tokio-cache 0.2.0-alpha.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 23e93b2a516ee531af2fd5e046cd7d5fdd139b1cce2fe2a39c043212d5099613
[INFO] running `"docker" "start" "-a" "23e93b2a516ee531af2fd5e046cd7d5fdd139b1cce2fe2a39c043212d5099613"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling im v13.0.0
[INFO] [stderr]     Checking sized-chunks v0.3.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-cache v0.2.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `tokio_sync::Lock`
[INFO] [stderr]   --> src/core.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_sync::Lock;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ no `Lock` in the root
[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 `tokio-cache`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "23e93b2a516ee531af2fd5e046cd7d5fdd139b1cce2fe2a39c043212d5099613"`
[INFO] running `"docker" "rm" "-f" "23e93b2a516ee531af2fd5e046cd7d5fdd139b1cce2fe2a39c043212d5099613"`
[INFO] [stdout] 23e93b2a516ee531af2fd5e046cd7d5fdd139b1cce2fe2a39c043212d5099613