Aug 30 00:40:19.927 INFO checking tap-0.2.1 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 00:40:19.927 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 00:40:19.927 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 00:40:20.097 INFO blam! eaa008a9209933fcd900079297c51f294fa962acbdb52a36d1bfcfba4838988e
Aug 30 00:40:20.100 INFO running `"docker" "start" "-a" "eaa008a9209933fcd900079297c51f294fa962acbdb52a36d1bfcfba4838988e"`
Aug 30 00:40:20.739 INFO kablam!     Checking tap v0.2.1 (file:///source)
Aug 30 00:40:21.002 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:21.002 INFO kablam!   --> src/lib.rs:72:21
Aug 30 00:40:21.002 INFO kablam!    |
Aug 30 00:40:21.002 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 30 00:40:21.002 INFO kablam!    |                     ----^^^
Aug 30 00:40:21.002 INFO kablam!    |                     |
Aug 30 00:40:21.002 INFO kablam!    |                     help: remove this `mut`
Aug 30 00:40:21.002 INFO kablam!    |
Aug 30 00:40:21.002 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 00:40:21.002 INFO kablam! 
Aug 30 00:40:21.008 INFO kablam! warning: unused `#[macro_use]` import
Aug 30 00:40:21.008 INFO kablam!  --> src/lib.rs:8:18
Aug 30 00:40:21.008 INFO kablam!   |
Aug 30 00:40:21.008 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Aug 30 00:40:21.008 INFO kablam!   |                  ^^^^^^^^^^
Aug 30 00:40:21.008 INFO kablam!   |
Aug 30 00:40:21.008 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 00:40:21.009 INFO kablam! 
Aug 30 00:40:21.238 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:21.238 INFO kablam!   --> src/lib.rs:72:21
Aug 30 00:40:21.238 INFO kablam!    |
Aug 30 00:40:21.239 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 30 00:40:21.239 INFO kablam!    |                     ----^^^
Aug 30 00:40:21.239 INFO kablam!    |                     |
Aug 30 00:40:21.239 INFO kablam!    |                     help: remove this `mut`
Aug 30 00:40:21.240 INFO kablam!    |
Aug 30 00:40:21.240 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 00:40:21.240 INFO kablam! 
Aug 30 00:40:21.264 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:21.264 INFO kablam!    --> src/lib.rs:135:33
Aug 30 00:40:21.264 INFO kablam!     |
Aug 30 00:40:21.264 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 30 00:40:21.264 INFO kablam!     |                                 ----^^^
Aug 30 00:40:21.264 INFO kablam!     |                                 |
Aug 30 00:40:21.264 INFO kablam!     |                                 help: remove this `mut`
Aug 30 00:40:21.264 INFO kablam! 
Aug 30 00:40:21.497 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Aug 30 00:40:21.500 INFO kablam! su: No module specific data is present
Aug 30 00:40:21.913 INFO running `"docker" "rm" "-f" "eaa008a9209933fcd900079297c51f294fa962acbdb52a36d1bfcfba4838988e"`
Aug 30 00:40:22.007 INFO blam! eaa008a9209933fcd900079297c51f294fa962acbdb52a36d1bfcfba4838988e