Sep 01 21:46:36.179 INFO checking tap-0.2.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 21:46:36.179 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 21:46:36.179 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 21:46:36.333 INFO blam! 73589382496bef94173588c72309d300df41e3be491d9b3ec28bdad8e149367f
Sep 01 21:46:36.336 INFO running `"docker" "start" "-a" "73589382496bef94173588c72309d300df41e3be491d9b3ec28bdad8e149367f"`
Sep 01 21:46:36.993 INFO kablam!     Checking tap v0.2.1 (file:///source)
Sep 01 21:46:37.265 INFO kablam! warning: variable does not need to be mutable
Sep 01 21:46:37.265 INFO kablam!   --> src/lib.rs:72:21
Sep 01 21:46:37.265 INFO kablam!    |
Sep 01 21:46:37.265 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 01 21:46:37.265 INFO kablam!    |                     ----^^^
Sep 01 21:46:37.265 INFO kablam!    |                     |
Sep 01 21:46:37.265 INFO kablam!    |                     help: remove this `mut`
Sep 01 21:46:37.265 INFO kablam!    |
Sep 01 21:46:37.265 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 21:46:37.265 INFO kablam! 
Sep 01 21:46:37.284 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 21:46:37.284 INFO kablam!  --> src/lib.rs:8:18
Sep 01 21:46:37.284 INFO kablam!   |
Sep 01 21:46:37.284 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Sep 01 21:46:37.284 INFO kablam!   |                  ^^^^^^^^^^
Sep 01 21:46:37.284 INFO kablam!   |
Sep 01 21:46:37.285 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 21:46:37.285 INFO kablam! 
Sep 01 21:46:37.510 INFO kablam! warning: variable does not need to be mutable
Sep 01 21:46:37.511 INFO kablam!   --> src/lib.rs:72:21
Sep 01 21:46:37.511 INFO kablam!    |
Sep 01 21:46:37.511 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 01 21:46:37.511 INFO kablam!    |                     ----^^^
Sep 01 21:46:37.511 INFO kablam!    |                     |
Sep 01 21:46:37.511 INFO kablam!    |                     help: remove this `mut`
Sep 01 21:46:37.511 INFO kablam!    |
Sep 01 21:46:37.511 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 21:46:37.511 INFO kablam! 
Sep 01 21:46:37.549 INFO kablam! warning: variable does not need to be mutable
Sep 01 21:46:37.549 INFO kablam!    --> src/lib.rs:135:33
Sep 01 21:46:37.549 INFO kablam!     |
Sep 01 21:46:37.549 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 01 21:46:37.549 INFO kablam!     |                                 ----^^^
Sep 01 21:46:37.549 INFO kablam!     |                                 |
Sep 01 21:46:37.549 INFO kablam!     |                                 help: remove this `mut`
Sep 01 21:46:37.549 INFO kablam! 
Sep 01 21:46:37.777 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Sep 01 21:46:37.780 INFO kablam! su: No module specific data is present
Sep 01 21:46:38.238 INFO running `"docker" "rm" "-f" "73589382496bef94173588c72309d300df41e3be491d9b3ec28bdad8e149367f"`
Sep 01 21:46:38.362 INFO blam! 73589382496bef94173588c72309d300df41e3be491d9b3ec28bdad8e149367f