Aug 30 00:40:14.193 INFO checking tap-0.3.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 00:40:14.193 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 00:40:14.193 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/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 00:40:14.346 INFO blam! bc1c8ec5ba0fbe06866a43f72359ba5baf4f1cb2e3a535fa52058a36d33b989c
Aug 30 00:40:14.348 INFO running `"docker" "start" "-a" "bc1c8ec5ba0fbe06866a43f72359ba5baf4f1cb2e3a535fa52058a36d33b989c"`
Aug 30 00:40:14.884 INFO kablam!     Checking tap v0.3.0 (file:///source)
Aug 30 00:40:15.143 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:15.143 INFO kablam!   --> src/lib.rs:78:21
Aug 30 00:40:15.143 INFO kablam!    |
Aug 30 00:40:15.143 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 30 00:40:15.143 INFO kablam!    |                     ----^^^
Aug 30 00:40:15.143 INFO kablam!    |                     |
Aug 30 00:40:15.143 INFO kablam!    |                     help: remove this `mut`
Aug 30 00:40:15.143 INFO kablam!    |
Aug 30 00:40:15.143 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 00:40:15.143 INFO kablam! 
Aug 30 00:40:15.158 INFO kablam! warning: unused `#[macro_use]` import
Aug 30 00:40:15.158 INFO kablam!   --> src/lib.rs:14:18
Aug 30 00:40:15.158 INFO kablam!    |
Aug 30 00:40:15.158 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Aug 30 00:40:15.158 INFO kablam!    |                  ^^^^^^^^^^
Aug 30 00:40:15.158 INFO kablam!    |
Aug 30 00:40:15.158 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 00:40:15.158 INFO kablam! 
Aug 30 00:40:15.374 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:15.374 INFO kablam!   --> src/lib.rs:78:21
Aug 30 00:40:15.374 INFO kablam!    |
Aug 30 00:40:15.374 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 30 00:40:15.374 INFO kablam!    |                     ----^^^
Aug 30 00:40:15.374 INFO kablam!    |                     |
Aug 30 00:40:15.374 INFO kablam!    |                     help: remove this `mut`
Aug 30 00:40:15.374 INFO kablam!    |
Aug 30 00:40:15.374 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 00:40:15.374 INFO kablam! 
Aug 30 00:40:15.402 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:15.402 INFO kablam!    --> src/lib.rs:141:33
Aug 30 00:40:15.402 INFO kablam!     |
Aug 30 00:40:15.402 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 30 00:40:15.402 INFO kablam!     |                                 ----^^^
Aug 30 00:40:15.402 INFO kablam!     |                                 |
Aug 30 00:40:15.402 INFO kablam!     |                                 help: remove this `mut`
Aug 30 00:40:15.402 INFO kablam! 
Aug 30 00:40:15.686 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Aug 30 00:40:15.689 INFO kablam! su: No module specific data is present
Aug 30 00:40:16.116 INFO running `"docker" "rm" "-f" "bc1c8ec5ba0fbe06866a43f72359ba5baf4f1cb2e3a535fa52058a36d33b989c"`
Aug 30 00:40:16.250 INFO blam! bc1c8ec5ba0fbe06866a43f72359ba5baf4f1cb2e3a535fa52058a36d33b989c