Sep 05 22:11:03.538 INFO checking tap-0.2.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 22:11:03.538 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 22:11:03.538 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:11:03.658 INFO blam! 58ffb262bd78d7a5e95cf90d39cdad8b750f598a9bd84c800a7c7bc54cd91322
Sep 05 22:11:03.660 INFO running `"docker" "start" "-a" "58ffb262bd78d7a5e95cf90d39cdad8b750f598a9bd84c800a7c7bc54cd91322"`
Sep 05 22:11:04.459 INFO kablam! usermod: no changes
Sep 05 22:11:04.494 INFO kablam!     Checking tap v0.2.1 (file:///source)
Sep 05 22:11:04.667 INFO kablam! warning: unused `#[macro_use]` import
Sep 05 22:11:04.667 INFO kablam!  --> src/lib.rs:8:18
Sep 05 22:11:04.667 INFO kablam!   |
Sep 05 22:11:04.667 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Sep 05 22:11:04.667 INFO kablam!   |                  ^^^^^^^^^^
Sep 05 22:11:04.667 INFO kablam!   |
Sep 05 22:11:04.667 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 05 22:11:04.667 INFO kablam! 
Sep 05 22:11:04.672 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:11:04.672 INFO kablam!   --> src/lib.rs:72:21
Sep 05 22:11:04.672 INFO kablam!    |
Sep 05 22:11:04.672 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 05 22:11:04.672 INFO kablam!    |                     ----^^^
Sep 05 22:11:04.672 INFO kablam!    |                     |
Sep 05 22:11:04.672 INFO kablam!    |                     help: remove this `mut`
Sep 05 22:11:04.672 INFO kablam!    |
Sep 05 22:11:04.672 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:11:04.672 INFO kablam! 
Sep 05 22:11:04.746 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:11:04.746 INFO kablam!   --> src/lib.rs:72:21
Sep 05 22:11:04.746 INFO kablam!    |
Sep 05 22:11:04.746 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 05 22:11:04.746 INFO kablam!    |                     ----^^^
Sep 05 22:11:04.746 INFO kablam!    |                     |
Sep 05 22:11:04.746 INFO kablam!    |                     help: remove this `mut`
Sep 05 22:11:04.746 INFO kablam!    |
Sep 05 22:11:04.746 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:11:04.746 INFO kablam! 
Sep 05 22:11:04.758 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:11:04.758 INFO kablam!    --> src/lib.rs:135:33
Sep 05 22:11:04.758 INFO kablam!     |
Sep 05 22:11:04.759 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 05 22:11:04.759 INFO kablam!     |                                 ----^^^
Sep 05 22:11:04.759 INFO kablam!     |                                 |
Sep 05 22:11:04.759 INFO kablam!     |                                 help: remove this `mut`
Sep 05 22:11:04.759 INFO kablam! 
Sep 05 22:11:04.957 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Sep 05 22:11:04.960 INFO kablam! su: No module specific data is present
Sep 05 22:11:05.609 INFO running `"docker" "rm" "-f" "58ffb262bd78d7a5e95cf90d39cdad8b750f598a9bd84c800a7c7bc54cd91322"`
Sep 05 22:11:05.713 INFO blam! 58ffb262bd78d7a5e95cf90d39cdad8b750f598a9bd84c800a7c7bc54cd91322