Sep 01 21:46:31.064 INFO checking tap-0.3.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 21:46:31.064 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 21:46:31.064 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 21:46:31.253 INFO blam! 5cd1c95c42a317fe0425a4f5667aab90d6bfa9b2235719263886723d0679b006
Sep 01 21:46:31.255 INFO running `"docker" "start" "-a" "5cd1c95c42a317fe0425a4f5667aab90d6bfa9b2235719263886723d0679b006"`
Sep 01 21:46:31.815 INFO kablam!     Checking tap v0.3.0 (file:///source)
Sep 01 21:46:32.094 INFO kablam! warning: variable does not need to be mutable
Sep 01 21:46:32.094 INFO kablam!   --> src/lib.rs:78:21
Sep 01 21:46:32.094 INFO kablam!    |
Sep 01 21:46:32.094 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 01 21:46:32.094 INFO kablam!    |                     ----^^^
Sep 01 21:46:32.094 INFO kablam!    |                     |
Sep 01 21:46:32.094 INFO kablam!    |                     help: remove this `mut`
Sep 01 21:46:32.094 INFO kablam!    |
Sep 01 21:46:32.094 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 21:46:32.094 INFO kablam! 
Sep 01 21:46:32.116 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 21:46:32.116 INFO kablam!   --> src/lib.rs:14:18
Sep 01 21:46:32.116 INFO kablam!    |
Sep 01 21:46:32.116 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Sep 01 21:46:32.116 INFO kablam!    |                  ^^^^^^^^^^
Sep 01 21:46:32.116 INFO kablam!    |
Sep 01 21:46:32.116 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 21:46:32.116 INFO kablam! 
Sep 01 21:46:32.309 INFO kablam! warning: variable does not need to be mutable
Sep 01 21:46:32.309 INFO kablam!   --> src/lib.rs:78:21
Sep 01 21:46:32.309 INFO kablam!    |
Sep 01 21:46:32.310 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 01 21:46:32.310 INFO kablam!    |                     ----^^^
Sep 01 21:46:32.310 INFO kablam!    |                     |
Sep 01 21:46:32.310 INFO kablam!    |                     help: remove this `mut`
Sep 01 21:46:32.310 INFO kablam!    |
Sep 01 21:46:32.310 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 21:46:32.310 INFO kablam! 
Sep 01 21:46:32.333 INFO kablam! warning: variable does not need to be mutable
Sep 01 21:46:32.333 INFO kablam!    --> src/lib.rs:141:33
Sep 01 21:46:32.333 INFO kablam!     |
Sep 01 21:46:32.334 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 01 21:46:32.334 INFO kablam!     |                                 ----^^^
Sep 01 21:46:32.334 INFO kablam!     |                                 |
Sep 01 21:46:32.334 INFO kablam!     |                                 help: remove this `mut`
Sep 01 21:46:32.334 INFO kablam! 
Sep 01 21:46:32.585 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Sep 01 21:46:32.589 INFO kablam! su: No module specific data is present
Sep 01 21:46:33.017 INFO running `"docker" "rm" "-f" "5cd1c95c42a317fe0425a4f5667aab90d6bfa9b2235719263886723d0679b006"`
Sep 01 21:46:33.141 INFO blam! 5cd1c95c42a317fe0425a4f5667aab90d6bfa9b2235719263886723d0679b006