Aug 30 00:40:16.294 INFO checking tap-0.3.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 00:40:16.294 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 00:40:16.294 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 00:40:16.481 INFO blam! d8034a453c7e566695f8fdf208f22541f00fc180492d0813ce13648d135e81fc
Aug 30 00:40:16.483 INFO running `"docker" "start" "-a" "d8034a453c7e566695f8fdf208f22541f00fc180492d0813ce13648d135e81fc"`
Aug 30 00:40:17.167 INFO kablam!     Checking tap v0.3.0 (file:///source)
Aug 30 00:40:17.538 INFO kablam! warning: unused `#[macro_use]` import
Aug 30 00:40:17.538 INFO kablam!   --> src/lib.rs:14:18
Aug 30 00:40:17.538 INFO kablam!    |
Aug 30 00:40:17.538 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Aug 30 00:40:17.538 INFO kablam!    |                  ^^^^^^^^^^
Aug 30 00:40:17.538 INFO kablam!    |
Aug 30 00:40:17.538 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 00:40:17.538 INFO kablam! 
Aug 30 00:40:17.600 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:17.600 INFO kablam!   --> src/lib.rs:78:21
Aug 30 00:40:17.600 INFO kablam!    |
Aug 30 00:40:17.600 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 30 00:40:17.600 INFO kablam!    |                     ----^^^
Aug 30 00:40:17.600 INFO kablam!    |                     |
Aug 30 00:40:17.600 INFO kablam!    |                     help: remove this `mut`
Aug 30 00:40:17.600 INFO kablam!    |
Aug 30 00:40:17.600 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 00:40:17.600 INFO kablam! 
Aug 30 00:40:17.760 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:17.760 INFO kablam!   --> src/lib.rs:78:21
Aug 30 00:40:17.760 INFO kablam!    |
Aug 30 00:40:17.760 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 30 00:40:17.760 INFO kablam!    |                     ----^^^
Aug 30 00:40:17.760 INFO kablam!    |                     |
Aug 30 00:40:17.760 INFO kablam!    |                     help: remove this `mut`
Aug 30 00:40:17.760 INFO kablam!    |
Aug 30 00:40:17.760 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 00:40:17.760 INFO kablam! 
Aug 30 00:40:17.783 INFO kablam! warning: variable does not need to be mutable
Aug 30 00:40:17.783 INFO kablam!    --> src/lib.rs:141:33
Aug 30 00:40:17.783 INFO kablam!     |
Aug 30 00:40:17.783 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 30 00:40:17.783 INFO kablam!     |                                 ----^^^
Aug 30 00:40:17.783 INFO kablam!     |                                 |
Aug 30 00:40:17.783 INFO kablam!     |                                 help: remove this `mut`
Aug 30 00:40:17.783 INFO kablam! 
Aug 30 00:40:18.218 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Aug 30 00:40:18.221 INFO kablam! su: No module specific data is present
Aug 30 00:40:18.667 INFO running `"docker" "rm" "-f" "d8034a453c7e566695f8fdf208f22541f00fc180492d0813ce13648d135e81fc"`
Aug 30 00:40:18.791 INFO blam! d8034a453c7e566695f8fdf208f22541f00fc180492d0813ce13648d135e81fc