Jul 11 19:57:12.460 INFO checking tap-0.2.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 19:57:12.460 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 19:57:12.460 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 19:57:12.460 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-7/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 19:57:12.700 INFO blam! be8cda67968cabdd3fb1312bff2ac9477df437c269efcad65d018d9e38643ac1
Jul 11 19:57:12.703 INFO running `"docker" "start" "-a" "be8cda67968cabdd3fb1312bff2ac9477df437c269efcad65d018d9e38643ac1"`
Jul 11 19:57:13.682 INFO kablam!     Checking tap v0.2.1 (file:///source)
Jul 11 19:57:14.032 INFO kablam! warning: variable does not need to be mutable
Jul 11 19:57:14.032 INFO kablam!   --> src/lib.rs:72:21
Jul 11 19:57:14.032 INFO kablam!    |
Jul 11 19:57:14.032 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Jul 11 19:57:14.032 INFO kablam!    |                     ----^^^
Jul 11 19:57:14.032 INFO kablam!    |                     |
Jul 11 19:57:14.032 INFO kablam!    |                     help: remove this `mut`
Jul 11 19:57:14.032 INFO kablam!    |
Jul 11 19:57:14.033 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 19:57:14.033 INFO kablam! 
Jul 11 19:57:14.100 INFO kablam! warning: unused `#[macro_use]` import
Jul 11 19:57:14.100 INFO kablam!  --> src/lib.rs:8:18
Jul 11 19:57:14.100 INFO kablam!   |
Jul 11 19:57:14.100 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Jul 11 19:57:14.100 INFO kablam!   |                  ^^^^^^^^^^
Jul 11 19:57:14.100 INFO kablam!   |
Jul 11 19:57:14.100 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 11 19:57:14.100 INFO kablam! 
Jul 11 19:57:14.509 INFO kablam! warning: variable does not need to be mutable
Jul 11 19:57:14.509 INFO kablam!   --> src/lib.rs:72:21
Jul 11 19:57:14.509 INFO kablam!    |
Jul 11 19:57:14.509 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Jul 11 19:57:14.509 INFO kablam!    |                     ----^^^
Jul 11 19:57:14.509 INFO kablam!    |                     |
Jul 11 19:57:14.509 INFO kablam!    |                     help: remove this `mut`
Jul 11 19:57:14.509 INFO kablam!    |
Jul 11 19:57:14.509 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 19:57:14.509 INFO kablam! 
Jul 11 19:57:14.554 INFO kablam! warning: variable does not need to be mutable
Jul 11 19:57:14.554 INFO kablam!    --> src/lib.rs:135:33
Jul 11 19:57:14.554 INFO kablam!     |
Jul 11 19:57:14.554 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Jul 11 19:57:14.554 INFO kablam!     |                                 ----^^^
Jul 11 19:57:14.554 INFO kablam!     |                                 |
Jul 11 19:57:14.554 INFO kablam!     |                                 help: remove this `mut`
Jul 11 19:57:14.554 INFO kablam! 
Jul 11 19:57:14.883 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Jul 11 19:57:14.898 INFO kablam! su: No module specific data is present
Jul 11 19:57:15.486 INFO running `"docker" "rm" "-f" "be8cda67968cabdd3fb1312bff2ac9477df437c269efcad65d018d9e38643ac1"`
Jul 11 19:57:15.636 INFO blam! be8cda67968cabdd3fb1312bff2ac9477df437c269efcad65d018d9e38643ac1