Nov 18 02:44:03.734 INFO testing r2d2-memcache-0.1.1 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 02:44:03.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 02:44:03.967 INFO [stdout] bd88ebc3462261980c7c7403e766efdf81080195e2db64f969bfde2a89d792a4
Nov 18 02:44:03.969 INFO running `"docker" "start" "-a" "bd88ebc3462261980c7c7403e766efdf81080195e2db64f969bfde2a89d792a4"`
Nov 18 02:44:04.382 INFO [stderr] usermod: no changes
Nov 18 02:44:04.467 INFO [stderr]    Compiling memcache v0.7.1
Nov 18 02:44:05.797 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Nov 18 02:44:06.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Nov 18 02:44:06.727 INFO [stderr] su: No module specific data is present
Nov 18 02:44:07.023 INFO running `"docker" "inspect" "bd88ebc3462261980c7c7403e766efdf81080195e2db64f969bfde2a89d792a4"`
Nov 18 02:44:07.077 INFO running `"docker" "rm" "-f" "bd88ebc3462261980c7c7403e766efdf81080195e2db64f969bfde2a89d792a4"`
Nov 18 02:44:07.142 INFO [stdout] bd88ebc3462261980c7c7403e766efdf81080195e2db64f969bfde2a89d792a4
Nov 18 02:44:07.147 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 02:44:07.316 INFO [stdout] 6db013f6ac56438fb75e86943b081a7352a4c94b34dd1a5707aa6c0fa25ad5fd
Nov 18 02:44:07.320 INFO running `"docker" "start" "-a" "6db013f6ac56438fb75e86943b081a7352a4c94b34dd1a5707aa6c0fa25ad5fd"`
Nov 18 02:44:07.879 INFO [stderr] usermod: no changes
Nov 18 02:44:07.959 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Nov 18 02:44:10.132 INFO [stderr] warning: unused variable: `pool`
Nov 18 02:44:10.133 INFO [stderr]   --> tests/test_connection.rs:12:9
Nov 18 02:44:10.134 INFO [stderr]    |
Nov 18 02:44:10.135 INFO [stderr] 12 |     let pool = r2d2::Pool::new(config, manager).unwrap();
Nov 18 02:44:10.135 INFO [stderr]    |         ^^^^ help: consider using `_pool` instead
Nov 18 02:44:10.136 INFO [stderr]    |
Nov 18 02:44:10.136 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 18 02:44:10.137 INFO [stderr] 
Nov 18 02:44:12.501 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
Nov 18 02:44:12.511 INFO [stderr] su: No module specific data is present
Nov 18 02:44:13.075 INFO running `"docker" "inspect" "6db013f6ac56438fb75e86943b081a7352a4c94b34dd1a5707aa6c0fa25ad5fd"`
Nov 18 02:44:13.349 INFO running `"docker" "rm" "-f" "6db013f6ac56438fb75e86943b081a7352a4c94b34dd1a5707aa6c0fa25ad5fd"`
Nov 18 02:44:13.551 INFO [stdout] 6db013f6ac56438fb75e86943b081a7352a4c94b34dd1a5707aa6c0fa25ad5fd