Aug 11 00:24:32.471 INFO checking tap-0.3.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 00:24:32.471 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:24:32.471 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:24:32.472 INFO running `"docker" "create" "-v" "/tmp/crater.EujyMEdIVeLf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 00:24:32.707 INFO blam! 5b4ad67861a4f87baeb1c6b758be4a4b39b44b307b215211e920601932a54550
Aug 11 00:24:32.709 INFO running `"docker" "start" "-a" "5b4ad67861a4f87baeb1c6b758be4a4b39b44b307b215211e920601932a54550"`
Aug 11 00:24:33.592 INFO kablam!     Checking tap v0.3.0 (file:///source)
Aug 11 00:24:34.125 INFO kablam! warning: variable does not need to be mutable
Aug 11 00:24:34.125 INFO kablam!   --> src/lib.rs:78:21
Aug 11 00:24:34.125 INFO kablam!    |
Aug 11 00:24:34.125 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 11 00:24:34.125 INFO kablam!    |                     ----^^^
Aug 11 00:24:34.125 INFO kablam!    |                     |
Aug 11 00:24:34.125 INFO kablam!    |                     help: remove this `mut`
Aug 11 00:24:34.125 INFO kablam!    |
Aug 11 00:24:34.126 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 00:24:34.126 INFO kablam! 
Aug 11 00:24:34.161 INFO kablam! warning: unused `#[macro_use]` import
Aug 11 00:24:34.161 INFO kablam!   --> src/lib.rs:14:18
Aug 11 00:24:34.161 INFO kablam!    |
Aug 11 00:24:34.161 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Aug 11 00:24:34.161 INFO kablam!    |                  ^^^^^^^^^^
Aug 11 00:24:34.164 INFO kablam!    |
Aug 11 00:24:34.164 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 11 00:24:34.164 INFO kablam! 
Aug 11 00:24:34.730 INFO kablam! warning: variable does not need to be mutable
Aug 11 00:24:34.731 INFO kablam!   --> src/lib.rs:78:21
Aug 11 00:24:34.731 INFO kablam!    |
Aug 11 00:24:34.731 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 11 00:24:34.731 INFO kablam!    |                     ----^^^
Aug 11 00:24:34.731 INFO kablam!    |                     |
Aug 11 00:24:34.731 INFO kablam!    |                     help: remove this `mut`
Aug 11 00:24:34.744 INFO kablam!    |
Aug 11 00:24:34.744 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 00:24:34.744 INFO kablam! 
Aug 11 00:24:34.810 INFO kablam! warning: variable does not need to be mutable
Aug 11 00:24:34.811 INFO kablam!    --> src/lib.rs:141:33
Aug 11 00:24:34.811 INFO kablam!     |
Aug 11 00:24:34.811 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 11 00:24:34.811 INFO kablam!     |                                 ----^^^
Aug 11 00:24:34.811 INFO kablam!     |                                 |
Aug 11 00:24:34.811 INFO kablam!     |                                 help: remove this `mut`
Aug 11 00:24:34.811 INFO kablam! 
Aug 11 00:24:35.061 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Aug 11 00:24:35.064 INFO kablam! su: No module specific data is present
Aug 11 00:24:35.570 INFO running `"docker" "rm" "-f" "5b4ad67861a4f87baeb1c6b758be4a4b39b44b307b215211e920601932a54550"`
Aug 11 00:24:35.737 INFO blam! 5b4ad67861a4f87baeb1c6b758be4a4b39b44b307b215211e920601932a54550