Aug 17 08:50:12.172 INFO checking tap-0.2.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 08:50:12.172 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 08:50:12.172 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 08:50:12.172 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 08:50:12.437 INFO blam! fe62a5cca1fa70a95dd61c2687fce77090d72228b93f49e4ebbea816543821a8
Aug 17 08:50:12.440 INFO running `"docker" "start" "-a" "fe62a5cca1fa70a95dd61c2687fce77090d72228b93f49e4ebbea816543821a8"`
Aug 17 08:50:13.459 INFO kablam!     Checking tap v0.2.1 (file:///source)
Aug 17 08:50:13.885 INFO kablam! warning: variable does not need to be mutable
Aug 17 08:50:13.885 INFO kablam!   --> src/lib.rs:72:21
Aug 17 08:50:13.885 INFO kablam!    |
Aug 17 08:50:13.885 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 17 08:50:13.885 INFO kablam!    |                     ----^^^
Aug 17 08:50:13.885 INFO kablam!    |                     |
Aug 17 08:50:13.885 INFO kablam!    |                     help: remove this `mut`
Aug 17 08:50:13.885 INFO kablam!    |
Aug 17 08:50:13.885 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 08:50:13.885 INFO kablam! 
Aug 17 08:50:14.263 INFO kablam! warning: unused `#[macro_use]` import
Aug 17 08:50:14.263 INFO kablam!  --> src/lib.rs:8:18
Aug 17 08:50:14.264 INFO kablam!   |
Aug 17 08:50:14.264 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Aug 17 08:50:14.264 INFO kablam!   |                  ^^^^^^^^^^
Aug 17 08:50:14.264 INFO kablam!   |
Aug 17 08:50:14.264 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 17 08:50:14.264 INFO kablam! 
Aug 17 08:50:14.947 INFO kablam! warning: variable does not need to be mutable
Aug 17 08:50:14.947 INFO kablam!   --> src/lib.rs:72:21
Aug 17 08:50:14.947 INFO kablam!    |
Aug 17 08:50:14.947 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 17 08:50:14.947 INFO kablam!    |                     ----^^^
Aug 17 08:50:14.947 INFO kablam!    |                     |
Aug 17 08:50:14.947 INFO kablam!    |                     help: remove this `mut`
Aug 17 08:50:14.947 INFO kablam!    |
Aug 17 08:50:14.947 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 08:50:14.947 INFO kablam! 
Aug 17 08:50:14.990 INFO kablam! warning: variable does not need to be mutable
Aug 17 08:50:14.990 INFO kablam!    --> src/lib.rs:135:33
Aug 17 08:50:14.990 INFO kablam!     |
Aug 17 08:50:14.990 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 17 08:50:14.990 INFO kablam!     |                                 ----^^^
Aug 17 08:50:14.990 INFO kablam!     |                                 |
Aug 17 08:50:14.990 INFO kablam!     |                                 help: remove this `mut`
Aug 17 08:50:14.990 INFO kablam! 
Aug 17 08:50:15.075 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Aug 17 08:50:15.078 INFO kablam! su: No module specific data is present
Aug 17 08:50:15.608 INFO running `"docker" "rm" "-f" "fe62a5cca1fa70a95dd61c2687fce77090d72228b93f49e4ebbea816543821a8"`
Aug 17 08:50:15.763 INFO blam! fe62a5cca1fa70a95dd61c2687fce77090d72228b93f49e4ebbea816543821a8