Nov 18 02:44:03.854 INFO testing r2d2-memcache-0.1.1 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 02:44:03.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 02:44:04.059 INFO [stdout] 1ad86fcc5a53a93b124b9d5ce5c58a8642b2bbb32691ec6459e705f2ba7ce473
Nov 18 02:44:04.059 INFO running `"docker" "start" "-a" "1ad86fcc5a53a93b124b9d5ce5c58a8642b2bbb32691ec6459e705f2ba7ce473"`
Nov 18 02:44:04.567 INFO [stderr] usermod: no changes
Nov 18 02:44:04.655 INFO [stderr]    Compiling memcache v0.7.1
Nov 18 02:44:05.964 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Nov 18 02:44:06.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Nov 18 02:44:06.610 INFO [stderr] su: No module specific data is present
Nov 18 02:44:06.885 INFO running `"docker" "inspect" "1ad86fcc5a53a93b124b9d5ce5c58a8642b2bbb32691ec6459e705f2ba7ce473"`
Nov 18 02:44:06.938 INFO running `"docker" "rm" "-f" "1ad86fcc5a53a93b124b9d5ce5c58a8642b2bbb32691ec6459e705f2ba7ce473"`
Nov 18 02:44:07.004 INFO [stdout] 1ad86fcc5a53a93b124b9d5ce5c58a8642b2bbb32691ec6459e705f2ba7ce473
Nov 18 02:44:07.007 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 02:44:07.194 INFO [stdout] ebd9f42219b95330dc83ebb7db9b40dd17c9c456090efaadc5b4c5fc801fe5d0
Nov 18 02:44:07.195 INFO running `"docker" "start" "-a" "ebd9f42219b95330dc83ebb7db9b40dd17c9c456090efaadc5b4c5fc801fe5d0"`
Nov 18 02:44:07.578 INFO [stderr] usermod: no changes
Nov 18 02:44:07.612 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Nov 18 02:44:09.259 INFO [stderr] warning: unused variable: `pool`
Nov 18 02:44:09.260 INFO [stderr]   --> tests/test_connection.rs:12:9
Nov 18 02:44:09.260 INFO [stderr]    |
Nov 18 02:44:09.260 INFO [stderr] 12 |     let pool = r2d2::Pool::new(config, manager).unwrap();
Nov 18 02:44:09.260 INFO [stderr]    |         ^^^^ help: consider using `_pool` instead
Nov 18 02:44:09.260 INFO [stderr]    |
Nov 18 02:44:09.260 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 18 02:44:09.260 INFO [stderr] 
Nov 18 02:44:11.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
Nov 18 02:44:11.591 INFO [stderr] su: No module specific data is present
Nov 18 02:44:12.311 INFO running `"docker" "inspect" "ebd9f42219b95330dc83ebb7db9b40dd17c9c456090efaadc5b4c5fc801fe5d0"`
Nov 18 02:44:12.623 INFO running `"docker" "rm" "-f" "ebd9f42219b95330dc83ebb7db9b40dd17c9c456090efaadc5b4c5fc801fe5d0"`
Nov 18 02:44:12.849 INFO [stdout] ebd9f42219b95330dc83ebb7db9b40dd17c9c456090efaadc5b4c5fc801fe5d0