Aug 31 11:38:04.365 INFO checking tap-0.2.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 11:38:04.365 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 11:38:04.365 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/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 11:38:04.525 INFO blam! bbd487ca917c36f6660e3fbc8e84d55d0698c986c8ffdbeca886a5da531e8f5f
Aug 31 11:38:04.527 INFO running `"docker" "start" "-a" "bbd487ca917c36f6660e3fbc8e84d55d0698c986c8ffdbeca886a5da531e8f5f"`
Aug 31 11:38:05.018 INFO kablam!     Checking tap v0.2.1 (file:///source)
Aug 31 11:38:05.312 INFO kablam! warning: variable does not need to be mutable
Aug 31 11:38:05.312 INFO kablam!   --> src/lib.rs:72:21
Aug 31 11:38:05.312 INFO kablam!    |
Aug 31 11:38:05.312 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 31 11:38:05.312 INFO kablam!    |                     ----^^^
Aug 31 11:38:05.312 INFO kablam!    |                     |
Aug 31 11:38:05.312 INFO kablam!    |                     help: remove this `mut`
Aug 31 11:38:05.312 INFO kablam!    |
Aug 31 11:38:05.312 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 11:38:05.312 INFO kablam! 
Aug 31 11:38:05.314 INFO kablam! warning: unused `#[macro_use]` import
Aug 31 11:38:05.314 INFO kablam!  --> src/lib.rs:8:18
Aug 31 11:38:05.314 INFO kablam!   |
Aug 31 11:38:05.314 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Aug 31 11:38:05.314 INFO kablam!   |                  ^^^^^^^^^^
Aug 31 11:38:05.314 INFO kablam!   |
Aug 31 11:38:05.314 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 11:38:05.314 INFO kablam! 
Aug 31 11:38:05.534 INFO kablam! warning: variable does not need to be mutable
Aug 31 11:38:05.534 INFO kablam!   --> src/lib.rs:72:21
Aug 31 11:38:05.534 INFO kablam!    |
Aug 31 11:38:05.534 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 31 11:38:05.534 INFO kablam!    |                     ----^^^
Aug 31 11:38:05.534 INFO kablam!    |                     |
Aug 31 11:38:05.534 INFO kablam!    |                     help: remove this `mut`
Aug 31 11:38:05.534 INFO kablam!    |
Aug 31 11:38:05.534 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 11:38:05.534 INFO kablam! 
Aug 31 11:38:05.560 INFO kablam! warning: variable does not need to be mutable
Aug 31 11:38:05.560 INFO kablam!    --> src/lib.rs:135:33
Aug 31 11:38:05.560 INFO kablam!     |
Aug 31 11:38:05.560 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 31 11:38:05.560 INFO kablam!     |                                 ----^^^
Aug 31 11:38:05.560 INFO kablam!     |                                 |
Aug 31 11:38:05.560 INFO kablam!     |                                 help: remove this `mut`
Aug 31 11:38:05.560 INFO kablam! 
Aug 31 11:38:05.848 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Aug 31 11:38:05.850 INFO kablam! su: No module specific data is present
Aug 31 11:38:06.187 INFO running `"docker" "rm" "-f" "bbd487ca917c36f6660e3fbc8e84d55d0698c986c8ffdbeca886a5da531e8f5f"`
Aug 31 11:38:06.279 INFO blam! bbd487ca917c36f6660e3fbc8e84d55d0698c986c8ffdbeca886a5da531e8f5f