Sep 01 00:30:55.119 INFO checking KeepCalmAndLearnRust/object-factory-pattern against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 00:30:55.119 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 00:30:55.119 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 00:30:55.382 INFO blam! ba2f281f417e95045f0942370037020e13892c27458000e78a1eafaeda7a7f3c
Sep 01 00:30:55.385 INFO running `"docker" "start" "-a" "ba2f281f417e95045f0942370037020e13892c27458000e78a1eafaeda7a7f3c"`
Sep 01 00:30:56.162 INFO kablam!     Checking object-factory-pattern v0.1.0 (file:///source)
Sep 01 00:30:56.472 INFO kablam! warning: variable does not need to be mutable
Sep 01 00:30:56.472 INFO kablam!   --> src/main.rs:13:13
Sep 01 00:30:56.472 INFO kablam!    |
Sep 01 00:30:56.472 INFO kablam! 13 |         let mut pool = vec![];
Sep 01 00:30:56.472 INFO kablam!    |             ----^^^^
Sep 01 00:30:56.472 INFO kablam!    |             |
Sep 01 00:30:56.472 INFO kablam!    |             help: remove this `mut`
Sep 01 00:30:56.472 INFO kablam!    |
Sep 01 00:30:56.472 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 00:30:56.472 INFO kablam! 
Sep 01 00:30:56.480 INFO kablam! warning: method is never used: `return_conn`
Sep 01 00:30:56.480 INFO kablam!   --> src/main.rs:24:5
Sep 01 00:30:56.480 INFO kablam!    |
Sep 01 00:30:56.480 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Sep 01 00:30:56.480 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 00:30:56.480 INFO kablam!    |
Sep 01 00:30:56.480 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 00:30:56.480 INFO kablam! 
Sep 01 00:30:56.575 INFO kablam! warning: variable does not need to be mutable
Sep 01 00:30:56.575 INFO kablam!   --> src/main.rs:13:13
Sep 01 00:30:56.575 INFO kablam!    |
Sep 01 00:30:56.575 INFO kablam! 13 |         let mut pool = vec![];
Sep 01 00:30:56.576 INFO kablam!    |             ----^^^^
Sep 01 00:30:56.576 INFO kablam!    |             |
Sep 01 00:30:56.576 INFO kablam!    |             help: remove this `mut`
Sep 01 00:30:56.576 INFO kablam!    |
Sep 01 00:30:56.576 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 00:30:56.576 INFO kablam! 
Sep 01 00:30:56.582 INFO kablam! warning: method is never used: `return_conn`
Sep 01 00:30:56.582 INFO kablam!   --> src/main.rs:24:5
Sep 01 00:30:56.582 INFO kablam!    |
Sep 01 00:30:56.582 INFO kablam! 24 |     fn return_conn(&mut self, conn: T) {
Sep 01 00:30:56.582 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 00:30:56.582 INFO kablam!    |
Sep 01 00:30:56.582 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 00:30:56.582 INFO kablam! 
Sep 01 00:30:56.630 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Sep 01 00:30:56.632 INFO kablam! su: No module specific data is present
Sep 01 00:30:57.218 INFO running `"docker" "rm" "-f" "ba2f281f417e95045f0942370037020e13892c27458000e78a1eafaeda7a7f3c"`
Sep 01 00:30:57.367 INFO blam! ba2f281f417e95045f0942370037020e13892c27458000e78a1eafaeda7a7f3c