[INFO] crate hotpot-db 0.0.2 is already in cache
[INFO] checking hotpot-db-0.0.2 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate hotpot-db 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate hotpot-db 0.0.2 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hotpot-db 0.0.2
[INFO] finished tweaking crates.io crate hotpot-db 0.0.2
[INFO] tweaked toml for crates.io crate hotpot-db 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate hotpot-db 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 553187a85b2e908f9ffdd7e3bf98a75944d573818a96620d7fd4a8fc56c58ec7
[INFO] running `"docker" "start" "-a" "553187a85b2e908f9ffdd7e3bf98a75944d573818a96620d7fd4a8fc56c58ec7"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking hotpot-db v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let res = stmt.execute(params![])?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.82s
[INFO] running `"docker" "inspect" "553187a85b2e908f9ffdd7e3bf98a75944d573818a96620d7fd4a8fc56c58ec7"`
[INFO] running `"docker" "rm" "-f" "553187a85b2e908f9ffdd7e3bf98a75944d573818a96620d7fd4a8fc56c58ec7"`
[INFO] [stdout] 553187a85b2e908f9ffdd7e3bf98a75944d573818a96620d7fd4a8fc56c58ec7