Sep 05 22:10:57.066 INFO checking tap-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 22:10:57.066 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 22:10:57.066 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 22:10:57.394 INFO blam! 273fcecb44b639c9042343acc1a8b4b0a17757c8d83f32532182569ea5a6ee2a
Sep 05 22:10:57.395 INFO running `"docker" "start" "-a" "273fcecb44b639c9042343acc1a8b4b0a17757c8d83f32532182569ea5a6ee2a"`
Sep 05 22:10:58.173 INFO kablam! usermod: no changes
Sep 05 22:10:58.206 INFO kablam!     Checking tap v0.3.0 (file:///source)
Sep 05 22:10:58.514 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:10:58.514 INFO kablam!   --> src/lib.rs:78:21
Sep 05 22:10:58.514 INFO kablam!    |
Sep 05 22:10:58.514 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 05 22:10:58.514 INFO kablam!    |                     ----^^^
Sep 05 22:10:58.514 INFO kablam!    |                     |
Sep 05 22:10:58.514 INFO kablam!    |                     help: remove this `mut`
Sep 05 22:10:58.514 INFO kablam!    |
Sep 05 22:10:58.514 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:10:58.514 INFO kablam! 
Sep 05 22:10:58.606 INFO kablam! warning: unused `#[macro_use]` import
Sep 05 22:10:58.606 INFO kablam!   --> src/lib.rs:14:18
Sep 05 22:10:58.606 INFO kablam!    |
Sep 05 22:10:58.606 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Sep 05 22:10:58.606 INFO kablam!    |                  ^^^^^^^^^^
Sep 05 22:10:58.606 INFO kablam!    |
Sep 05 22:10:58.606 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 05 22:10:58.607 INFO kablam! 
Sep 05 22:10:58.847 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:10:58.847 INFO kablam!   --> src/lib.rs:78:21
Sep 05 22:10:58.848 INFO kablam!    |
Sep 05 22:10:58.848 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 05 22:10:58.848 INFO kablam!    |                     ----^^^
Sep 05 22:10:58.848 INFO kablam!    |                     |
Sep 05 22:10:58.848 INFO kablam!    |                     help: remove this `mut`
Sep 05 22:10:58.848 INFO kablam!    |
Sep 05 22:10:58.848 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:10:58.848 INFO kablam! 
Sep 05 22:10:58.872 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:10:58.872 INFO kablam!    --> src/lib.rs:141:33
Sep 05 22:10:58.872 INFO kablam!     |
Sep 05 22:10:58.872 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 05 22:10:58.872 INFO kablam!     |                                 ----^^^
Sep 05 22:10:58.872 INFO kablam!     |                                 |
Sep 05 22:10:58.872 INFO kablam!     |                                 help: remove this `mut`
Sep 05 22:10:58.872 INFO kablam! 
Sep 05 22:10:59.110 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Sep 05 22:10:59.113 INFO kablam! su: No module specific data is present
Sep 05 22:11:00.140 INFO running `"docker" "rm" "-f" "273fcecb44b639c9042343acc1a8b4b0a17757c8d83f32532182569ea5a6ee2a"`
Sep 05 22:11:00.329 INFO blam! 273fcecb44b639c9042343acc1a8b4b0a17757c8d83f32532182569ea5a6ee2a