Sep 03 20:41:11.174 INFO checking KeepCalmAndLearnRust/object-factory-pattern against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 20:41:11.175 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 20:41:11.175 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 20:41:11.407 INFO blam! 8ba759ae439a7566a84c85b21f56f7a0d3d92e45e556afadf95e9c0c7112426e
Sep 03 20:41:11.409 INFO running `"docker" "start" "-a" "8ba759ae439a7566a84c85b21f56f7a0d3d92e45e556afadf95e9c0c7112426e"`
Sep 03 20:41:12.465 INFO kablam!     Checking object-factory-pattern v0.1.0 (file:///source)
Sep 03 20:41:12.803 INFO kablam! warning: variable does not need to be mutable
Sep 03 20:41:12.803 INFO kablam!   --> src/main.rs:13:13
Sep 03 20:41:12.803 INFO kablam!    |
Sep 03 20:41:12.803 INFO kablam! 13 |         let mut pool = vec![];
Sep 03 20:41:12.803 INFO kablam!    |             ----^^^^
Sep 03 20:41:12.803 INFO kablam!    |             |
Sep 03 20:41:12.803 INFO kablam!    |             help: remove this `mut`
Sep 03 20:41:12.803 INFO kablam!    |
Sep 03 20:41:12.803 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 20:41:12.803 INFO kablam! 
Sep 03 20:41:12.812 INFO kablam! warning: method is never used: `return_conn`
Sep 03 20:41:12.812 INFO kablam!   --> src/main.rs:24:5
Sep 03 20:41:12.812 INFO kablam!    |
Sep 03 20:41:12.812 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Sep 03 20:41:12.812 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:41:12.812 INFO kablam!    |
Sep 03 20:41:12.812 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 20:41:12.812 INFO kablam! 
Sep 03 20:41:12.967 INFO kablam! warning: variable does not need to be mutable
Sep 03 20:41:12.967 INFO kablam!   --> src/main.rs:13:13
Sep 03 20:41:12.967 INFO kablam!    |
Sep 03 20:41:12.967 INFO kablam! 13 |         let mut pool = vec![];
Sep 03 20:41:12.967 INFO kablam!    |             ----^^^^
Sep 03 20:41:12.967 INFO kablam!    |             |
Sep 03 20:41:12.967 INFO kablam!    |             help: remove this `mut`
Sep 03 20:41:12.967 INFO kablam!    |
Sep 03 20:41:12.967 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 20:41:12.967 INFO kablam! 
Sep 03 20:41:12.974 INFO kablam! warning: method is never used: `return_conn`
Sep 03 20:41:12.974 INFO kablam!   --> src/main.rs:24:5
Sep 03 20:41:12.974 INFO kablam!    |
Sep 03 20:41:12.974 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Sep 03 20:41:12.974 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:41:12.974 INFO kablam!    |
Sep 03 20:41:12.974 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 20:41:12.974 INFO kablam! 
Sep 03 20:41:12.996 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Sep 03 20:41:13.000 INFO kablam! su: No module specific data is present
Sep 03 20:41:13.575 INFO running `"docker" "rm" "-f" "8ba759ae439a7566a84c85b21f56f7a0d3d92e45e556afadf95e9c0c7112426e"`
Sep 03 20:41:13.730 INFO blam! 8ba759ae439a7566a84c85b21f56f7a0d3d92e45e556afadf95e9c0c7112426e