[INFO] fetching crate vampirc-uci 0.9.0...
[INFO] checking vampirc-uci-0.9.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate vampirc-uci 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vampirc-uci 0.9.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vampirc-uci 0.9.0
[INFO] finished tweaking crates.io crate vampirc-uci 0.9.0
[INFO] tweaked toml for crates.io crate vampirc-uci 0.9.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] a11e3aa4c79bdd776f5b3539a98cce2f7e24c0fad508114e8b7e33255a5e4a1f
[INFO] running `"docker" "start" "-a" "a11e3aa4c79bdd776f5b3539a98cce2f7e24c0fad508114e8b7e33255a5e4a1f"`
[INFO] [stderr]     Checking vampirc-uci v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `direction`
[INFO] [stderr]    --> src/uci.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn direction(&self) -> CommunicationDirection {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `"docker" "inspect" "a11e3aa4c79bdd776f5b3539a98cce2f7e24c0fad508114e8b7e33255a5e4a1f"`
[INFO] running `"docker" "rm" "-f" "a11e3aa4c79bdd776f5b3539a98cce2f7e24c0fad508114e8b7e33255a5e4a1f"`
[INFO] [stdout] a11e3aa4c79bdd776f5b3539a98cce2f7e24c0fad508114e8b7e33255a5e4a1f