Aug 31 07:13:12.557 INFO checking KeepCalmAndLearnRust/object-factory-pattern against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 07:13:12.557 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 07:13:12.557 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 07:13:12.778 INFO blam! a7593a0d3be9acb75f0d6cc892113e98eda1876a96bdb615dd4d2772ee09819b
Aug 31 07:13:12.780 INFO running `"docker" "start" "-a" "a7593a0d3be9acb75f0d6cc892113e98eda1876a96bdb615dd4d2772ee09819b"`
Aug 31 07:13:13.450 INFO kablam!     Checking object-factory-pattern v0.1.0 (file:///source)
Aug 31 07:13:13.784 INFO kablam! warning: variable does not need to be mutable
Aug 31 07:13:13.784 INFO kablam!   --> src/main.rs:13:13
Aug 31 07:13:13.784 INFO kablam!    |
Aug 31 07:13:13.784 INFO kablam! 13 |         let mut pool = vec![];
Aug 31 07:13:13.784 INFO kablam!    |             ----^^^^
Aug 31 07:13:13.784 INFO kablam!    |             |
Aug 31 07:13:13.784 INFO kablam!    |             help: remove this `mut`
Aug 31 07:13:13.784 INFO kablam!    |
Aug 31 07:13:13.784 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 07:13:13.784 INFO kablam! 
Aug 31 07:13:13.792 INFO kablam! warning: method is never used: `return_conn`
Aug 31 07:13:13.792 INFO kablam!   --> src/main.rs:24:5
Aug 31 07:13:13.792 INFO kablam!    |
Aug 31 07:13:13.792 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Aug 31 07:13:13.792 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:13:13.792 INFO kablam!    |
Aug 31 07:13:13.792 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 07:13:13.792 INFO kablam! 
Aug 31 07:13:13.833 INFO kablam! warning: variable does not need to be mutable
Aug 31 07:13:13.833 INFO kablam!   --> src/main.rs:13:13
Aug 31 07:13:13.833 INFO kablam!    |
Aug 31 07:13:13.833 INFO kablam! 13 |         let mut pool = vec![];
Aug 31 07:13:13.833 INFO kablam!    |             ----^^^^
Aug 31 07:13:13.833 INFO kablam!    |             |
Aug 31 07:13:13.833 INFO kablam!    |             help: remove this `mut`
Aug 31 07:13:13.833 INFO kablam!    |
Aug 31 07:13:13.833 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 07:13:13.833 INFO kablam! 
Aug 31 07:13:13.842 INFO kablam! warning: method is never used: `return_conn`
Aug 31 07:13:13.842 INFO kablam!   --> src/main.rs:24:5
Aug 31 07:13:13.842 INFO kablam!    |
Aug 31 07:13:13.842 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Aug 31 07:13:13.842 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 07:13:13.842 INFO kablam!    |
Aug 31 07:13:13.842 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 07:13:13.842 INFO kablam! 
Aug 31 07:13:13.857 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Aug 31 07:13:13.859 INFO kablam! su: No module specific data is present
Aug 31 07:13:14.294 INFO running `"docker" "rm" "-f" "a7593a0d3be9acb75f0d6cc892113e98eda1876a96bdb615dd4d2772ee09819b"`
Aug 31 07:13:14.443 INFO blam! a7593a0d3be9acb75f0d6cc892113e98eda1876a96bdb615dd4d2772ee09819b