Nov 01 15:19:38.427 INFO checking tap-0.3.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 15:19:38.429 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 15:19:38.901 INFO blam! 17060554fb71fcb635f86e6c3b1295aeb9c8e1faf58df508ba0846b58e275ae7
Nov 01 15:19:38.916 INFO running `"docker" "start" "-a" "17060554fb71fcb635f86e6c3b1295aeb9c8e1faf58df508ba0846b58e275ae7"`
Nov 01 15:19:39.964 INFO kablam! usermod: no changes
Nov 01 15:19:40.008 INFO kablam!     Checking tap v0.3.0 (/source)
Nov 01 15:19:40.652 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:19:40.652 INFO kablam!   --> src/lib.rs:78:21
Nov 01 15:19:40.652 INFO kablam!    |
Nov 01 15:19:40.652 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 01 15:19:40.652 INFO kablam!    |                     ----^^^
Nov 01 15:19:40.652 INFO kablam!    |                     |
Nov 01 15:19:40.652 INFO kablam!    |                     help: remove this `mut`
Nov 01 15:19:40.652 INFO kablam!    |
Nov 01 15:19:40.652 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 15:19:40.652 INFO kablam! 
Nov 01 15:19:40.725 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 15:19:40.725 INFO kablam!   --> src/lib.rs:14:18
Nov 01 15:19:40.725 INFO kablam!    |
Nov 01 15:19:40.726 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Nov 01 15:19:40.726 INFO kablam!    |                  ^^^^^^^^^
Nov 01 15:19:40.726 INFO kablam!    |
Nov 01 15:19:40.727 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 15:19:40.727 INFO kablam! 
Nov 01 15:19:40.836 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:19:40.837 INFO kablam!   --> src/lib.rs:78:21
Nov 01 15:19:40.837 INFO kablam!    |
Nov 01 15:19:40.837 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 01 15:19:40.837 INFO kablam!    |                     ----^^^
Nov 01 15:19:40.837 INFO kablam!    |                     |
Nov 01 15:19:40.837 INFO kablam!    |                     help: remove this `mut`
Nov 01 15:19:40.837 INFO kablam!    |
Nov 01 15:19:40.837 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 15:19:40.837 INFO kablam! 
Nov 01 15:19:40.860 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:19:40.860 INFO kablam!    --> src/lib.rs:141:33
Nov 01 15:19:40.860 INFO kablam!     |
Nov 01 15:19:40.860 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Nov 01 15:19:40.860 INFO kablam!     |                                 ----^^^
Nov 01 15:19:40.860 INFO kablam!     |                                 |
Nov 01 15:19:40.860 INFO kablam!     |                                 help: remove this `mut`
Nov 01 15:19:40.860 INFO kablam! 
Nov 01 15:19:41.310 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Nov 01 15:19:41.319 INFO kablam! su: No module specific data is present
Nov 01 15:19:41.980 INFO running `"docker" "rm" "-f" "17060554fb71fcb635f86e6c3b1295aeb9c8e1faf58df508ba0846b58e275ae7"`
Nov 01 15:19:42.252 INFO blam! 17060554fb71fcb635f86e6c3b1295aeb9c8e1faf58df508ba0846b58e275ae7