Nov 07 07:55:50.243 INFO checking tap-0.3.0 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 07:55:50.243 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 07:55:50.640 INFO blam! 06dbee259c08e9d341cb53838a0fb2e148cef43f417f041b533fe72c8f82618a
Nov 07 07:55:50.649 INFO running `"docker" "start" "-a" "06dbee259c08e9d341cb53838a0fb2e148cef43f417f041b533fe72c8f82618a"`
Nov 07 07:55:51.892 INFO kablam! usermod: no changes
Nov 07 07:55:51.962 INFO kablam!     Checking tap v0.3.0 (/source)
Nov 07 07:55:52.617 INFO kablam! warning: variable does not need to be mutable
Nov 07 07:55:52.617 INFO kablam!   --> src/lib.rs:78:21
Nov 07 07:55:52.617 INFO kablam!    |
Nov 07 07:55:52.617 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 07 07:55:52.617 INFO kablam!    |                     ----^^^
Nov 07 07:55:52.617 INFO kablam!    |                     |
Nov 07 07:55:52.617 INFO kablam!    |                     help: remove this `mut`
Nov 07 07:55:52.624 INFO kablam!    |
Nov 07 07:55:52.624 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 07:55:52.624 INFO kablam! 
Nov 07 07:55:52.696 INFO kablam! warning: unused `#[macro_use]` import
Nov 07 07:55:52.696 INFO kablam!   --> src/lib.rs:14:18
Nov 07 07:55:52.696 INFO kablam!    |
Nov 07 07:55:52.697 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Nov 07 07:55:52.697 INFO kablam!    |                  ^^^^^^^^^
Nov 07 07:55:52.697 INFO kablam!    |
Nov 07 07:55:52.697 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 07 07:55:52.697 INFO kablam! 
Nov 07 07:55:52.888 INFO kablam! warning: variable does not need to be mutable
Nov 07 07:55:52.888 INFO kablam!   --> src/lib.rs:78:21
Nov 07 07:55:52.888 INFO kablam!    |
Nov 07 07:55:52.888 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 07 07:55:52.888 INFO kablam!    |                     ----^^^
Nov 07 07:55:52.888 INFO kablam!    |                     |
Nov 07 07:55:52.888 INFO kablam!    |                     help: remove this `mut`
Nov 07 07:55:52.888 INFO kablam!    |
Nov 07 07:55:52.888 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 07:55:52.892 INFO kablam! 
Nov 07 07:55:52.916 INFO kablam! warning: variable does not need to be mutable
Nov 07 07:55:52.916 INFO kablam!    --> src/lib.rs:141:33
Nov 07 07:55:52.916 INFO kablam!     |
Nov 07 07:55:52.916 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Nov 07 07:55:52.916 INFO kablam!     |                                 ----^^^
Nov 07 07:55:52.916 INFO kablam!     |                                 |
Nov 07 07:55:52.916 INFO kablam!     |                                 help: remove this `mut`
Nov 07 07:55:52.916 INFO kablam! 
Nov 07 07:55:53.468 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Nov 07 07:55:53.472 INFO kablam! su: No module specific data is present
Nov 07 07:55:54.122 INFO running `"docker" "rm" "-f" "06dbee259c08e9d341cb53838a0fb2e148cef43f417f041b533fe72c8f82618a"`
Nov 07 07:55:54.360 INFO blam! 06dbee259c08e9d341cb53838a0fb2e148cef43f417f041b533fe72c8f82618a