Jul 11 16:09:38.582 INFO checking KeepCalmAndLearnRust/object-factory-pattern against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 16:09:38.582 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 16:09:38.582 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 16:09:38.582 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 16:09:38.816 INFO blam! bbf1a947d7a9a0416c4992464240c3ece1a73030775d0b994375cb67dc134dd1
Jul 11 16:09:38.817 INFO running `"docker" "start" "-a" "bbf1a947d7a9a0416c4992464240c3ece1a73030775d0b994375cb67dc134dd1"`
Jul 11 16:09:39.926 INFO kablam!     Checking object-factory-pattern v0.1.0 (file:///source)
Jul 11 16:09:40.517 INFO kablam! warning: variable does not need to be mutable
Jul 11 16:09:40.517 INFO kablam!   --> src/main.rs:13:13
Jul 11 16:09:40.517 INFO kablam!    |
Jul 11 16:09:40.517 INFO kablam! 13 |         let mut pool = vec![];
Jul 11 16:09:40.517 INFO kablam!    |             ----^^^^
Jul 11 16:09:40.518 INFO kablam!    |             |
Jul 11 16:09:40.518 INFO kablam!    |             help: remove this `mut`
Jul 11 16:09:40.526 INFO kablam!    |
Jul 11 16:09:40.526 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 16:09:40.527 INFO kablam! 
Jul 11 16:09:40.534 INFO kablam! warning: method is never used: `return_conn`
Jul 11 16:09:40.535 INFO kablam!   --> src/main.rs:24:5
Jul 11 16:09:40.535 INFO kablam!    |
Jul 11 16:09:40.535 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Jul 11 16:09:40.535 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 16:09:40.535 INFO kablam!    |
Jul 11 16:09:40.535 INFO kablam!    = note: #[warn(dead_code)] on by default
Jul 11 16:09:40.535 INFO kablam! 
Jul 11 16:09:40.559 INFO kablam! warning: variable does not need to be mutable
Jul 11 16:09:40.559 INFO kablam!   --> src/main.rs:13:13
Jul 11 16:09:40.559 INFO kablam!    |
Jul 11 16:09:40.560 INFO kablam! 13 |         let mut pool = vec![];
Jul 11 16:09:40.560 INFO kablam!    |             ----^^^^
Jul 11 16:09:40.560 INFO kablam!    |             |
Jul 11 16:09:40.560 INFO kablam!    |             help: remove this `mut`
Jul 11 16:09:40.560 INFO kablam!    |
Jul 11 16:09:40.560 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 16:09:40.560 INFO kablam! 
Jul 11 16:09:40.574 INFO kablam! warning: method is never used: `return_conn`
Jul 11 16:09:40.574 INFO kablam!   --> src/main.rs:24:5
Jul 11 16:09:40.574 INFO kablam!    |
Jul 11 16:09:40.574 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Jul 11 16:09:40.574 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 11 16:09:40.574 INFO kablam!    |
Jul 11 16:09:40.574 INFO kablam!    = note: #[warn(dead_code)] on by default
Jul 11 16:09:40.574 INFO kablam! 
Jul 11 16:09:40.609 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Jul 11 16:09:40.611 INFO kablam! su: No module specific data is present
Jul 11 16:09:41.107 INFO running `"docker" "rm" "-f" "bbf1a947d7a9a0416c4992464240c3ece1a73030775d0b994375cb67dc134dd1"`
Jul 11 16:09:41.293 INFO blam! bbf1a947d7a9a0416c4992464240c3ece1a73030775d0b994375cb67dc134dd1