Aug 17 08:50:03.212 INFO checking tap-0.3.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 08:50:03.212 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 08:50:03.212 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 08:50:03.212 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 08:50:03.458 INFO blam! 8815066cbea2a8bb3b7ec2259815f654df89be970312cdb54ff20e8fce2b6291
Aug 17 08:50:03.460 INFO running `"docker" "start" "-a" "8815066cbea2a8bb3b7ec2259815f654df89be970312cdb54ff20e8fce2b6291"`
Aug 17 08:50:04.356 INFO kablam!     Checking tap v0.3.0 (file:///source)
Aug 17 08:50:04.985 INFO kablam! warning: unused `#[macro_use]` import
Aug 17 08:50:04.986 INFO kablam!   --> src/lib.rs:14:18
Aug 17 08:50:04.986 INFO kablam!    |
Aug 17 08:50:04.986 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Aug 17 08:50:04.986 INFO kablam!    |                  ^^^^^^^^^^
Aug 17 08:50:04.986 INFO kablam!    |
Aug 17 08:50:04.986 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 17 08:50:04.986 INFO kablam! 
Aug 17 08:50:05.059 INFO kablam! warning: variable does not need to be mutable
Aug 17 08:50:05.059 INFO kablam!   --> src/lib.rs:78:21
Aug 17 08:50:05.059 INFO kablam!    |
Aug 17 08:50:05.059 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 17 08:50:05.059 INFO kablam!    |                     ----^^^
Aug 17 08:50:05.059 INFO kablam!    |                     |
Aug 17 08:50:05.059 INFO kablam!    |                     help: remove this `mut`
Aug 17 08:50:05.059 INFO kablam!    |
Aug 17 08:50:05.059 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 08:50:05.059 INFO kablam! 
Aug 17 08:50:05.678 INFO kablam! warning: variable does not need to be mutable
Aug 17 08:50:05.678 INFO kablam!   --> src/lib.rs:78:21
Aug 17 08:50:05.678 INFO kablam!    |
Aug 17 08:50:05.678 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 17 08:50:05.678 INFO kablam!    |                     ----^^^
Aug 17 08:50:05.678 INFO kablam!    |                     |
Aug 17 08:50:05.678 INFO kablam!    |                     help: remove this `mut`
Aug 17 08:50:05.686 INFO kablam!    |
Aug 17 08:50:05.687 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 08:50:05.687 INFO kablam! 
Aug 17 08:50:05.777 INFO kablam! warning: variable does not need to be mutable
Aug 17 08:50:05.777 INFO kablam!    --> src/lib.rs:141:33
Aug 17 08:50:05.777 INFO kablam!     |
Aug 17 08:50:05.777 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 17 08:50:05.777 INFO kablam!     |                                 ----^^^
Aug 17 08:50:05.777 INFO kablam!     |                                 |
Aug 17 08:50:05.777 INFO kablam!     |                                 help: remove this `mut`
Aug 17 08:50:05.786 INFO kablam! 
Aug 17 08:50:06.140 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
Aug 17 08:50:06.146 INFO kablam! su: No module specific data is present
Aug 17 08:50:06.723 INFO running `"docker" "rm" "-f" "8815066cbea2a8bb3b7ec2259815f654df89be970312cdb54ff20e8fce2b6291"`
Aug 17 08:50:06.880 INFO blam! 8815066cbea2a8bb3b7ec2259815f654df89be970312cdb54ff20e8fce2b6291