Aug 31 11:37:59.544 INFO checking tap-0.3.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 11:37:59.544 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 11:37:59.544 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 11:37:59.718 INFO blam! 9f7bf183367db28cf2e938f2a31588bc68f3f9eb82461fb992d8487d0f05a428
Aug 31 11:37:59.720 INFO running `"docker" "start" "-a" "9f7bf183367db28cf2e938f2a31588bc68f3f9eb82461fb992d8487d0f05a428"`
Aug 31 11:38:00.338 INFO kablam!     Checking tap v0.3.0 (file:///source)
Aug 31 11:38:00.647 INFO kablam! warning: variable does not need to be mutable
Aug 31 11:38:00.647 INFO kablam!   --> src/lib.rs:78:21
Aug 31 11:38:00.647 INFO kablam!    |
Aug 31 11:38:00.647 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 31 11:38:00.647 INFO kablam!    |                     ----^^^
Aug 31 11:38:00.647 INFO kablam!    |                     |
Aug 31 11:38:00.648 INFO kablam!    |                     help: remove this `mut`
Aug 31 11:38:00.648 INFO kablam!    |
Aug 31 11:38:00.648 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 11:38:00.648 INFO kablam! 
Aug 31 11:38:00.672 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 11:38:00.672 INFO kablam!   --> src/lib.rs:14:18
Aug 31 11:38:00.672 INFO kablam!    |
Aug 31 11:38:00.672 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Aug 31 11:38:00.672 INFO kablam!    |                  ^^^^^^^^^^
Aug 31 11:38:00.672 INFO kablam!    |
Aug 31 11:38:00.672 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 31 11:38:00.672 INFO kablam! 
Aug 31 11:38:00.948 INFO kablam! warning: variable does not need to be mutable
Aug 31 11:38:00.948 INFO kablam!   --> src/lib.rs:78:21
Aug 31 11:38:00.948 INFO kablam!    |
Aug 31 11:38:00.948 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Aug 31 11:38:00.948 INFO kablam!    |                     ----^^^
Aug 31 11:38:00.948 INFO kablam!    |                     |
Aug 31 11:38:00.948 INFO kablam!    |                     help: remove this `mut`
Aug 31 11:38:00.948 INFO kablam!    |
Aug 31 11:38:00.948 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 11:38:00.949 INFO kablam! 
Aug 31 11:38:00.982 INFO kablam! warning: variable does not need to be mutable
Aug 31 11:38:00.982 INFO kablam!    --> src/lib.rs:141:33
Aug 31 11:38:00.982 INFO kablam!     |
Aug 31 11:38:00.982 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 31 11:38:00.982 INFO kablam!     |                                 ----^^^
Aug 31 11:38:00.982 INFO kablam!     |                                 |
Aug 31 11:38:00.983 INFO kablam!     |                                 help: remove this `mut`
Aug 31 11:38:00.983 INFO kablam! 
Aug 31 11:38:01.261 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Aug 31 11:38:01.264 INFO kablam! su: No module specific data is present
Aug 31 11:38:02.039 INFO running `"docker" "rm" "-f" "9f7bf183367db28cf2e938f2a31588bc68f3f9eb82461fb992d8487d0f05a428"`
Aug 31 11:38:02.140 INFO blam! 9f7bf183367db28cf2e938f2a31588bc68f3f9eb82461fb992d8487d0f05a428