[INFO] fetching crate vampirc-uci 0.8.3...
[INFO] checking vampirc-uci-0.8.3 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate vampirc-uci 0.8.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vampirc-uci 0.8.3 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vampirc-uci 0.8.3
[INFO] finished tweaking crates.io crate vampirc-uci 0.8.3
[INFO] tweaked toml for crates.io crate vampirc-uci 0.8.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 386ffd0baa4ae9d57a6778635e2c3242eb40bd6d3b9127a760d1b71441ba2c22
[INFO] running `"docker" "start" "-a" "386ffd0baa4ae9d57a6778635e2c3242eb40bd6d3b9127a760d1b71441ba2c22"`
[INFO] [stderr]     Checking vampirc-uci v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `direction`
[INFO] [stderr]    --> src/uci.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn direction(&self) -> CommunicationDirection {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `"docker" "inspect" "386ffd0baa4ae9d57a6778635e2c3242eb40bd6d3b9127a760d1b71441ba2c22"`
[INFO] running `"docker" "rm" "-f" "386ffd0baa4ae9d57a6778635e2c3242eb40bd6d3b9127a760d1b71441ba2c22"`
[INFO] [stdout] 386ffd0baa4ae9d57a6778635e2c3242eb40bd6d3b9127a760d1b71441ba2c22