Sep 04 00:20:53.447 INFO checking KeepCalmAndLearnRust/object-factory-pattern against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 00:20:53.447 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 00:20:53.447 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 00:20:53.635 INFO blam! c65190da2ec32f4a9db164e35090ac730cf08027f7c6313849e4c691474088aa
Sep 04 00:20:53.637 INFO running `"docker" "start" "-a" "c65190da2ec32f4a9db164e35090ac730cf08027f7c6313849e4c691474088aa"`
Sep 04 00:20:54.247 INFO kablam!     Checking object-factory-pattern v0.1.0 (file:///source)
Sep 04 00:20:54.573 INFO kablam! warning: variable does not need to be mutable
Sep 04 00:20:54.573 INFO kablam!   --> src/main.rs:13:13
Sep 04 00:20:54.573 INFO kablam!    |
Sep 04 00:20:54.573 INFO kablam! 13 |         let mut pool = vec![];
Sep 04 00:20:54.573 INFO kablam!    |             ----^^^^
Sep 04 00:20:54.573 INFO kablam!    |             |
Sep 04 00:20:54.573 INFO kablam!    |             help: remove this `mut`
Sep 04 00:20:54.573 INFO kablam!    |
Sep 04 00:20:54.573 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 00:20:54.573 INFO kablam! 
Sep 04 00:20:54.580 INFO kablam! warning: method is never used: `return_conn`
Sep 04 00:20:54.580 INFO kablam!   --> src/main.rs:24:5
Sep 04 00:20:54.580 INFO kablam!    |
Sep 04 00:20:54.580 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Sep 04 00:20:54.580 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:54.580 INFO kablam!    |
Sep 04 00:20:54.580 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 00:20:54.580 INFO kablam! 
Sep 04 00:20:54.620 INFO kablam! warning: variable does not need to be mutable
Sep 04 00:20:54.620 INFO kablam!   --> src/main.rs:13:13
Sep 04 00:20:54.620 INFO kablam!    |
Sep 04 00:20:54.620 INFO kablam! 13 |         let mut pool = vec![];
Sep 04 00:20:54.620 INFO kablam!    |             ----^^^^
Sep 04 00:20:54.620 INFO kablam!    |             |
Sep 04 00:20:54.620 INFO kablam!    |             help: remove this `mut`
Sep 04 00:20:54.621 INFO kablam!    |
Sep 04 00:20:54.621 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 00:20:54.621 INFO kablam! 
Sep 04 00:20:54.628 INFO kablam! warning: method is never used: `return_conn`
Sep 04 00:20:54.628 INFO kablam!   --> src/main.rs:24:5
Sep 04 00:20:54.628 INFO kablam!    |
Sep 04 00:20:54.628 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Sep 04 00:20:54.628 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 00:20:54.628 INFO kablam!    |
Sep 04 00:20:54.628 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 00:20:54.628 INFO kablam! 
Sep 04 00:20:54.644 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Sep 04 00:20:54.647 INFO kablam! su: No module specific data is present
Sep 04 00:20:55.071 INFO running `"docker" "rm" "-f" "c65190da2ec32f4a9db164e35090ac730cf08027f7c6313849e4c691474088aa"`
Sep 04 00:20:55.169 INFO blam! c65190da2ec32f4a9db164e35090ac730cf08027f7c6313849e4c691474088aa