[INFO] crate vampirc-uci 0.8.3 is already in cache
[INFO] checking vampirc-uci-0.8.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate vampirc-uci 0.8.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate vampirc-uci 0.8.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 71f9ed3b1e06074d6170eab8a9b4936d0d843ed6e95bdaa40bce682cbeb6151a
[INFO] running `"docker" "start" "-a" "71f9ed3b1e06074d6170eab8a9b4936d0d843ed6e95bdaa40bce682cbeb6151a"`
[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 3.42s
[INFO] running `"docker" "inspect" "71f9ed3b1e06074d6170eab8a9b4936d0d843ed6e95bdaa40bce682cbeb6151a"`
[INFO] running `"docker" "rm" "-f" "71f9ed3b1e06074d6170eab8a9b4936d0d843ed6e95bdaa40bce682cbeb6151a"`
[INFO] [stdout] 71f9ed3b1e06074d6170eab8a9b4936d0d843ed6e95bdaa40bce682cbeb6151a