Nov 09 23:03:50.016 INFO checking tap-0.3.0 against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 23:03:50.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 23:03:50.303 INFO blam! 7542b588b88b9a1d3547b765c0dbe11bfc95dbb491726daad2768be244235290
Nov 09 23:03:50.315 INFO running `"docker" "start" "-a" "7542b588b88b9a1d3547b765c0dbe11bfc95dbb491726daad2768be244235290"`
Nov 09 23:03:51.195 INFO kablam! usermod: no changes
Nov 09 23:03:51.251 INFO kablam!     Checking tap v0.3.0 (/source)
Nov 09 23:03:51.823 INFO kablam! warning: variable does not need to be mutable
Nov 09 23:03:51.823 INFO kablam!   --> src/lib.rs:78:21
Nov 09 23:03:51.823 INFO kablam!    |
Nov 09 23:03:51.823 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 09 23:03:51.823 INFO kablam!    |                     ----^^^
Nov 09 23:03:51.823 INFO kablam!    |                     |
Nov 09 23:03:51.823 INFO kablam!    |                     help: remove this `mut`
Nov 09 23:03:51.823 INFO kablam!    |
Nov 09 23:03:51.823 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 23:03:51.823 INFO kablam! 
Nov 09 23:03:52.049 INFO kablam! warning: unused `#[macro_use]` import
Nov 09 23:03:52.049 INFO kablam!   --> src/lib.rs:14:18
Nov 09 23:03:52.049 INFO kablam!    |
Nov 09 23:03:52.049 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Nov 09 23:03:52.049 INFO kablam!    |                  ^^^^^^^^^
Nov 09 23:03:52.049 INFO kablam!    |
Nov 09 23:03:52.049 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 09 23:03:52.049 INFO kablam! 
Nov 09 23:03:52.196 INFO kablam! warning: variable does not need to be mutable
Nov 09 23:03:52.210 INFO kablam!   --> src/lib.rs:78:21
Nov 09 23:03:52.210 INFO kablam!    |
Nov 09 23:03:52.210 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 09 23:03:52.210 INFO kablam!    |                     ----^^^
Nov 09 23:03:52.210 INFO kablam!    |                     |
Nov 09 23:03:52.210 INFO kablam!    |                     help: remove this `mut`
Nov 09 23:03:52.210 INFO kablam!    |
Nov 09 23:03:52.210 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 23:03:52.210 INFO kablam! 
Nov 09 23:03:52.223 INFO kablam! warning: variable does not need to be mutable
Nov 09 23:03:52.224 INFO kablam!    --> src/lib.rs:141:33
Nov 09 23:03:52.224 INFO kablam!     |
Nov 09 23:03:52.224 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Nov 09 23:03:52.224 INFO kablam!     |                                 ----^^^
Nov 09 23:03:52.224 INFO kablam!     |                                 |
Nov 09 23:03:52.224 INFO kablam!     |                                 help: remove this `mut`
Nov 09 23:03:52.224 INFO kablam! 
Nov 09 23:03:52.729 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Nov 09 23:03:52.735 INFO kablam! su: No module specific data is present
Nov 09 23:03:53.303 INFO running `"docker" "rm" "-f" "7542b588b88b9a1d3547b765c0dbe11bfc95dbb491726daad2768be244235290"`
Nov 09 23:03:53.579 INFO blam! 7542b588b88b9a1d3547b765c0dbe11bfc95dbb491726daad2768be244235290