Dec 07 03:16:43.157 INFO testing r2d2-memcache-0.1.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 03:16:43.157 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 07 03:16:43.601 INFO [stdout] 11802e783b2cce77e02849d40c9b5ca6c1b0c444c7d7ae55f5d647b1d5fbb36c
Dec 07 03:16:43.603 INFO running `"docker" "start" "-a" "11802e783b2cce77e02849d40c9b5ca6c1b0c444c7d7ae55f5d647b1d5fbb36c"`
Dec 07 03:16:44.372 INFO [stderr] usermod: no changes
Dec 07 03:16:44.425 INFO [stderr]    Compiling r2d2 v0.7.4
Dec 07 03:16:44.425 INFO [stderr]    Compiling memcache v0.7.1
Dec 07 03:16:46.064 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Dec 07 03:16:47.198 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Dec 07 03:16:47.202 INFO [stderr] su: No module specific data is present
Dec 07 03:16:47.495 INFO running `"docker" "inspect" "11802e783b2cce77e02849d40c9b5ca6c1b0c444c7d7ae55f5d647b1d5fbb36c"`
Dec 07 03:16:47.573 INFO running `"docker" "rm" "-f" "11802e783b2cce77e02849d40c9b5ca6c1b0c444c7d7ae55f5d647b1d5fbb36c"`
Dec 07 03:16:47.657 INFO [stdout] 11802e783b2cce77e02849d40c9b5ca6c1b0c444c7d7ae55f5d647b1d5fbb36c
Dec 07 03:16:47.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 07 03:16:47.836 INFO [stdout] 3eaec32382c34489dbd9fe7fddd22b7b962326fdab58f264e315726a3c73c83b
Dec 07 03:16:47.842 INFO running `"docker" "start" "-a" "3eaec32382c34489dbd9fe7fddd22b7b962326fdab58f264e315726a3c73c83b"`
Dec 07 03:16:48.433 INFO [stderr] usermod: no changes
Dec 07 03:16:48.483 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Dec 07 03:16:50.220 INFO [stderr] warning: unused variable: `pool`
Dec 07 03:16:50.220 INFO [stderr]   --> tests/test_connection.rs:12:9
Dec 07 03:16:50.220 INFO [stderr]    |
Dec 07 03:16:50.220 INFO [stderr] 12 |     let pool = r2d2::Pool::new(config, manager).unwrap();
Dec 07 03:16:50.220 INFO [stderr]    |         ^^^^ help: consider using `_pool` instead
Dec 07 03:16:50.220 INFO [stderr]    |
Dec 07 03:16:50.220 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 03:16:50.220 INFO [stderr] 
Dec 07 03:16:53.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
Dec 07 03:16:53.016 INFO [stderr] su: No module specific data is present
Dec 07 03:16:53.566 INFO running `"docker" "inspect" "3eaec32382c34489dbd9fe7fddd22b7b962326fdab58f264e315726a3c73c83b"`
Dec 07 03:16:53.916 INFO running `"docker" "rm" "-f" "3eaec32382c34489dbd9fe7fddd22b7b962326fdab58f264e315726a3c73c83b"`
Dec 07 03:16:54.208 INFO [stdout] 3eaec32382c34489dbd9fe7fddd22b7b962326fdab58f264e315726a3c73c83b