Sep 21 02:03:55.073 INFO checking tap-0.2.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 02:03:55.073 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 02:03:55.073 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:03:55.336 INFO blam! 44b6823fb29a56bdb907c9ae7eeeab72cc558370305f094e3b4611f4964be020
Sep 21 02:03:55.337 INFO running `"docker" "start" "-a" "44b6823fb29a56bdb907c9ae7eeeab72cc558370305f094e3b4611f4964be020"`
Sep 21 02:03:56.218 INFO kablam! usermod: no changes
Sep 21 02:03:56.243 INFO kablam!     Checking tap v0.2.1 (/source)
Sep 21 02:03:56.374 INFO kablam! warning: variable does not need to be mutable
Sep 21 02:03:56.374 INFO kablam!   --> src/lib.rs:72:21
Sep 21 02:03:56.374 INFO kablam!    |
Sep 21 02:03:56.374 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 21 02:03:56.374 INFO kablam!    |                     ----^^^
Sep 21 02:03:56.374 INFO kablam!    |                     |
Sep 21 02:03:56.374 INFO kablam!    |                     help: remove this `mut`
Sep 21 02:03:56.374 INFO kablam!    |
Sep 21 02:03:56.374 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 02:03:56.374 INFO kablam! 
Sep 21 02:03:56.423 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 02:03:56.423 INFO kablam!  --> src/lib.rs:8:18
Sep 21 02:03:56.423 INFO kablam!   |
Sep 21 02:03:56.423 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Sep 21 02:03:56.423 INFO kablam!   |                  ^^^^^^^^^^
Sep 21 02:03:56.423 INFO kablam!   |
Sep 21 02:03:56.423 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 02:03:56.423 INFO kablam! 
Sep 21 02:03:56.534 INFO kablam! warning: variable does not need to be mutable
Sep 21 02:03:56.534 INFO kablam!   --> src/lib.rs:72:21
Sep 21 02:03:56.534 INFO kablam!    |
Sep 21 02:03:56.534 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 21 02:03:56.534 INFO kablam!    |                     ----^^^
Sep 21 02:03:56.534 INFO kablam!    |                     |
Sep 21 02:03:56.535 INFO kablam!    |                     help: remove this `mut`
Sep 21 02:03:56.535 INFO kablam!    |
Sep 21 02:03:56.535 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 02:03:56.535 INFO kablam! 
Sep 21 02:03:56.549 INFO kablam! warning: variable does not need to be mutable
Sep 21 02:03:56.549 INFO kablam!    --> src/lib.rs:135:33
Sep 21 02:03:56.549 INFO kablam!     |
Sep 21 02:03:56.549 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 21 02:03:56.549 INFO kablam!     |                                 ----^^^
Sep 21 02:03:56.549 INFO kablam!     |                                 |
Sep 21 02:03:56.549 INFO kablam!     |                                 help: remove this `mut`
Sep 21 02:03:56.549 INFO kablam! 
Sep 21 02:03:56.670 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Sep 21 02:03:56.673 INFO kablam! su: No module specific data is present
Sep 21 02:03:57.457 INFO running `"docker" "rm" "-f" "44b6823fb29a56bdb907c9ae7eeeab72cc558370305f094e3b4611f4964be020"`
Sep 21 02:03:57.569 INFO blam! 44b6823fb29a56bdb907c9ae7eeeab72cc558370305f094e3b4611f4964be020