Dec 07 03:16:44.182 INFO testing r2d2-memcache-0.1.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 03:16:44.182 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 03:16:44.492 INFO [stdout] 23f9f4714ca7168bc895c6e68c4fdecfb69464fa8ccb625385b4493143d980d1
Dec 07 03:16:44.495 INFO running `"docker" "start" "-a" "23f9f4714ca7168bc895c6e68c4fdecfb69464fa8ccb625385b4493143d980d1"`
Dec 07 03:16:45.448 INFO [stderr] usermod: no changes
Dec 07 03:16:45.508 INFO [stderr]    Compiling r2d2 v0.7.4
Dec 07 03:16:45.508 INFO [stderr]    Compiling memcache v0.7.1
Dec 07 03:16:46.764 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Dec 07 03:16:47.429 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Dec 07 03:16:47.431 INFO [stderr] su: No module specific data is present
Dec 07 03:16:47.738 INFO running `"docker" "inspect" "23f9f4714ca7168bc895c6e68c4fdecfb69464fa8ccb625385b4493143d980d1"`
Dec 07 03:16:47.834 INFO running `"docker" "rm" "-f" "23f9f4714ca7168bc895c6e68c4fdecfb69464fa8ccb625385b4493143d980d1"`
Dec 07 03:16:47.940 INFO [stdout] 23f9f4714ca7168bc895c6e68c4fdecfb69464fa8ccb625385b4493143d980d1
Dec 07 03:16:47.942 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 03:16:48.254 INFO [stdout] 5b4eb929388cd99ff56130ff0ce2a775f376fbf14ba48607f0c497087a5327be
Dec 07 03:16:48.255 INFO running `"docker" "start" "-a" "5b4eb929388cd99ff56130ff0ce2a775f376fbf14ba48607f0c497087a5327be"`
Dec 07 03:16:48.800 INFO [stderr] usermod: no changes
Dec 07 03:16:48.924 INFO [stderr]    Compiling r2d2-memcache v0.1.1 (/source)
Dec 07 03:16:50.536 INFO [stderr] warning: unused variable: `pool`
Dec 07 03:16:50.536 INFO [stderr]   --> tests/test_connection.rs:12:9
Dec 07 03:16:50.536 INFO [stderr]    |
Dec 07 03:16:50.536 INFO [stderr] 12 |     let pool = r2d2::Pool::new(config, manager).unwrap();
Dec 07 03:16:50.536 INFO [stderr]    |         ^^^^ help: consider using `_pool` instead
Dec 07 03:16:50.536 INFO [stderr]    |
Dec 07 03:16:50.536 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 03:16:50.536 INFO [stderr] 
Dec 07 03:16:52.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
Dec 07 03:16:52.620 INFO [stderr] su: No module specific data is present
Dec 07 03:16:53.102 INFO running `"docker" "inspect" "5b4eb929388cd99ff56130ff0ce2a775f376fbf14ba48607f0c497087a5327be"`
Dec 07 03:16:53.353 INFO running `"docker" "rm" "-f" "5b4eb929388cd99ff56130ff0ce2a775f376fbf14ba48607f0c497087a5327be"`
Dec 07 03:16:53.612 INFO [stdout] 5b4eb929388cd99ff56130ff0ce2a775f376fbf14ba48607f0c497087a5327be