Dec 17 21:41:06.161 INFO checking kbacha/cxn_pool_test against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:41:06.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/kbacha/cxn_pool_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:41:06.410 INFO [stdout] d29515fa4d36619b5657ff110711cbf0815a7714e334106696c6a2443ea83b9b
Dec 17 21:41:06.412 INFO running `"docker" "start" "-a" "d29515fa4d36619b5657ff110711cbf0815a7714e334106696c6a2443ea83b9b"`
Dec 17 21:41:07.194 INFO [stderr]     Checking r2d2 v0.8.2
Dec 17 21:41:07.614 INFO [stderr]     Checking cxn_pool_test v0.1.0 (/opt/crater/workdir)
Dec 17 21:41:07.864 INFO [stderr] warning: unused variable: `conn`
Dec 17 21:41:07.864 INFO [stderr]   --> src/main.rs:95:22
Dec 17 21:41:07.864 INFO [stderr]    |
Dec 17 21:41:07.864 INFO [stderr] 95 |                  let conn = pool.get().unwrap();
Dec 17 21:41:07.864 INFO [stderr]    |                      ^^^^ help: consider using `_conn` instead
Dec 17 21:41:07.864 INFO [stderr]    |
Dec 17 21:41:07.864 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:41:07.864 INFO [stderr] 
Dec 17 21:41:07.871 INFO [stderr] warning: variant is never constructed: `Broke`
Dec 17 21:41:07.871 INFO [stderr]   --> src/main.rs:30:5
Dec 17 21:41:07.871 INFO [stderr]    |
Dec 17 21:41:07.871 INFO [stderr] 30 |     Broke,
Dec 17 21:41:07.871 INFO [stderr]    |     ^^^^^
Dec 17 21:41:07.871 INFO [stderr]    |
Dec 17 21:41:07.871 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:41:07.871 INFO [stderr] 
Dec 17 21:41:07.887 INFO [stderr] warning: unused variable: `conn`
Dec 17 21:41:07.887 INFO [stderr]   --> src/main.rs:95:22
Dec 17 21:41:07.887 INFO [stderr]    |
Dec 17 21:41:07.887 INFO [stderr] 95 |                  let conn = pool.get().unwrap();
Dec 17 21:41:07.887 INFO [stderr]    |                      ^^^^ help: consider using `_conn` instead
Dec 17 21:41:07.887 INFO [stderr]    |
Dec 17 21:41:07.887 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 21:41:07.887 INFO [stderr] 
Dec 17 21:41:07.897 INFO [stderr] warning: variant is never constructed: `Broke`
Dec 17 21:41:07.897 INFO [stderr]   --> src/main.rs:30:5
Dec 17 21:41:07.897 INFO [stderr]    |
Dec 17 21:41:07.897 INFO [stderr] 30 |     Broke,
Dec 17 21:41:07.897 INFO [stderr]    |     ^^^^^
Dec 17 21:41:07.897 INFO [stderr]    |
Dec 17 21:41:07.898 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:41:07.898 INFO [stderr] 
Dec 17 21:41:07.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 17 21:41:08.400 INFO running `"docker" "inspect" "d29515fa4d36619b5657ff110711cbf0815a7714e334106696c6a2443ea83b9b"`
Dec 17 21:41:08.590 INFO running `"docker" "rm" "-f" "d29515fa4d36619b5657ff110711cbf0815a7714e334106696c6a2443ea83b9b"`
Dec 17 21:41:08.733 INFO [stdout] d29515fa4d36619b5657ff110711cbf0815a7714e334106696c6a2443ea83b9b