Aug 01 20:50:45.414 INFO checking tap-0.3.0 against 1.27.2 for lazy_static-1
Aug 01 20:50:45.414 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:50:45.414 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:50:45.414 INFO running `"docker" "create" "-v" "/tmp/crater.qvlYvKQaa25i:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 20:50:45.642 INFO blam! 696e529a3d3e13ababfe9397e9f5cac48811901c7f130cc710da9203daa4628f
Aug 01 20:50:45.645 INFO running `"docker" "start" "-a" "696e529a3d3e13ababfe9397e9f5cac48811901c7f130cc710da9203daa4628f"`
Aug 01 20:50:46.550 INFO kablam!     Checking tap v0.3.0 (file:///source)
Aug 01 20:50:47.116 INFO kablam! warning: variable does not need to be mutable
Aug 01 20:50:47.116 INFO kablam!   --> src/lib.rs:78:21
Aug 01 20:50:47.116 INFO kablam!    |
Aug 01 20:50:47.116 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 01 20:50:47.116 INFO kablam!    |                     ----^^^
Aug 01 20:50:47.116 INFO kablam!    |                     |
Aug 01 20:50:47.116 INFO kablam!    |                     help: remove this `mut`
Aug 01 20:50:47.116 INFO kablam!    |
Aug 01 20:50:47.116 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 20:50:47.116 INFO kablam! 
Aug 01 20:50:47.207 INFO kablam! warning: unused `#[macro_use]` import
Aug 01 20:50:47.207 INFO kablam!   --> src/lib.rs:14:18
Aug 01 20:50:47.207 INFO kablam!    |
Aug 01 20:50:47.207 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Aug 01 20:50:47.207 INFO kablam!    |                  ^^^^^^^^^^
Aug 01 20:50:47.207 INFO kablam!    |
Aug 01 20:50:47.207 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 01 20:50:47.207 INFO kablam! 
Aug 01 20:50:47.670 INFO kablam! warning: variable does not need to be mutable
Aug 01 20:50:47.670 INFO kablam!   --> src/lib.rs:78:21
Aug 01 20:50:47.670 INFO kablam!    |
Aug 01 20:50:47.670 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 01 20:50:47.670 INFO kablam!    |                     ----^^^
Aug 01 20:50:47.670 INFO kablam!    |                     |
Aug 01 20:50:47.670 INFO kablam!    |                     help: remove this `mut`
Aug 01 20:50:47.670 INFO kablam!    |
Aug 01 20:50:47.670 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 20:50:47.670 INFO kablam! 
Aug 01 20:50:47.702 INFO kablam! warning: variable does not need to be mutable
Aug 01 20:50:47.702 INFO kablam!    --> src/lib.rs:141:33
Aug 01 20:50:47.702 INFO kablam!     |
Aug 01 20:50:47.702 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 01 20:50:47.702 INFO kablam!     |                                 ----^^^
Aug 01 20:50:47.703 INFO kablam!     |                                 |
Aug 01 20:50:47.703 INFO kablam!     |                                 help: remove this `mut`
Aug 01 20:50:47.703 INFO kablam! 
Aug 01 20:50:48.289 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Aug 01 20:50:48.293 INFO kablam! su: No module specific data is present
Aug 01 20:50:48.847 INFO running `"docker" "rm" "-f" "696e529a3d3e13ababfe9397e9f5cac48811901c7f130cc710da9203daa4628f"`
Aug 01 20:50:49.010 INFO blam! 696e529a3d3e13ababfe9397e9f5cac48811901c7f130cc710da9203daa4628f