Sep 19 17:13:00.755 INFO checking tap-0.3.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 17:13:00.755 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 17:13:00.755 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:13:00.929 INFO blam! 6a6272e7e831aa3c04af384450fdcd56a5d086398ed539c95c7c96b35831185c
Sep 19 17:13:00.932 INFO running `"docker" "start" "-a" "6a6272e7e831aa3c04af384450fdcd56a5d086398ed539c95c7c96b35831185c"`
Sep 19 17:13:02.087 INFO kablam! usermod: no changes
Sep 19 17:13:02.133 INFO kablam!     Checking tap v0.3.0 (/source)
Sep 19 17:13:02.359 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 17:13:02.359 INFO kablam!   --> src/lib.rs:14:18
Sep 19 17:13:02.359 INFO kablam!    |
Sep 19 17:13:02.359 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Sep 19 17:13:02.359 INFO kablam!    |                  ^^^^^^^^^^
Sep 19 17:13:02.359 INFO kablam!    |
Sep 19 17:13:02.359 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 17:13:02.359 INFO kablam! 
Sep 19 17:13:02.395 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:13:02.395 INFO kablam!   --> src/lib.rs:78:21
Sep 19 17:13:02.395 INFO kablam!    |
Sep 19 17:13:02.395 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 19 17:13:02.395 INFO kablam!    |                     ----^^^
Sep 19 17:13:02.395 INFO kablam!    |                     |
Sep 19 17:13:02.395 INFO kablam!    |                     help: remove this `mut`
Sep 19 17:13:02.395 INFO kablam!    |
Sep 19 17:13:02.395 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 17:13:02.395 INFO kablam! 
Sep 19 17:13:02.449 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:13:02.449 INFO kablam!   --> src/lib.rs:78:21
Sep 19 17:13:02.449 INFO kablam!    |
Sep 19 17:13:02.449 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 19 17:13:02.449 INFO kablam!    |                     ----^^^
Sep 19 17:13:02.449 INFO kablam!    |                     |
Sep 19 17:13:02.449 INFO kablam!    |                     help: remove this `mut`
Sep 19 17:13:02.449 INFO kablam!    |
Sep 19 17:13:02.449 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 17:13:02.449 INFO kablam! 
Sep 19 17:13:02.461 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:13:02.461 INFO kablam!    --> src/lib.rs:141:33
Sep 19 17:13:02.461 INFO kablam!     |
Sep 19 17:13:02.461 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 19 17:13:02.461 INFO kablam!     |                                 ----^^^
Sep 19 17:13:02.461 INFO kablam!     |                                 |
Sep 19 17:13:02.461 INFO kablam!     |                                 help: remove this `mut`
Sep 19 17:13:02.461 INFO kablam! 
Sep 19 17:13:02.687 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Sep 19 17:13:02.689 INFO kablam! su: No module specific data is present
Sep 19 17:13:03.333 INFO running `"docker" "rm" "-f" "6a6272e7e831aa3c04af384450fdcd56a5d086398ed539c95c7c96b35831185c"`
Sep 19 17:13:03.447 INFO blam! 6a6272e7e831aa3c04af384450fdcd56a5d086398ed539c95c7c96b35831185c