Oct 27 14:52:14.358 INFO checking tap-0.3.0 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 14:52:14.360 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 27 14:52:14.533 INFO blam! 266f377fc899ee4cc4865c579cb1a741ed86d954dbac26ec757903f16111154d
Oct 27 14:52:14.536 INFO running `"docker" "start" "-a" "266f377fc899ee4cc4865c579cb1a741ed86d954dbac26ec757903f16111154d"`
Oct 27 14:52:15.451 INFO kablam! usermod: no changes
Oct 27 14:52:15.509 INFO kablam!     Checking tap v0.3.0 (/source)
Oct 27 14:52:16.033 INFO kablam! warning: variable does not need to be mutable
Oct 27 14:52:16.033 INFO kablam!   --> src/lib.rs:78:21
Oct 27 14:52:16.033 INFO kablam!    |
Oct 27 14:52:16.033 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Oct 27 14:52:16.033 INFO kablam!    |                     ----^^^
Oct 27 14:52:16.033 INFO kablam!    |                     |
Oct 27 14:52:16.033 INFO kablam!    |                     help: remove this `mut`
Oct 27 14:52:16.033 INFO kablam!    |
Oct 27 14:52:16.033 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 14:52:16.033 INFO kablam! 
Oct 27 14:52:16.391 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 14:52:16.391 INFO kablam!   --> src/lib.rs:14:18
Oct 27 14:52:16.391 INFO kablam!    |
Oct 27 14:52:16.392 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Oct 27 14:52:16.392 INFO kablam!    |                  ^^^^^^^^^
Oct 27 14:52:16.392 INFO kablam!    |
Oct 27 14:52:16.392 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 14:52:16.392 INFO kablam! 
Oct 27 14:52:16.516 INFO kablam! warning: variable does not need to be mutable
Oct 27 14:52:16.516 INFO kablam!   --> src/lib.rs:78:21
Oct 27 14:52:16.516 INFO kablam!    |
Oct 27 14:52:16.516 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Oct 27 14:52:16.517 INFO kablam!    |                     ----^^^
Oct 27 14:52:16.517 INFO kablam!    |                     |
Oct 27 14:52:16.517 INFO kablam!    |                     help: remove this `mut`
Oct 27 14:52:16.517 INFO kablam!    |
Oct 27 14:52:16.517 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 14:52:16.517 INFO kablam! 
Oct 27 14:52:16.522 INFO kablam! warning: variable does not need to be mutable
Oct 27 14:52:16.522 INFO kablam!    --> src/lib.rs:141:33
Oct 27 14:52:16.523 INFO kablam!     |
Oct 27 14:52:16.523 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Oct 27 14:52:16.523 INFO kablam!     |                                 ----^^^
Oct 27 14:52:16.523 INFO kablam!     |                                 |
Oct 27 14:52:16.523 INFO kablam!     |                                 help: remove this `mut`
Oct 27 14:52:16.523 INFO kablam! 
Oct 27 14:52:16.762 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Oct 27 14:52:16.769 INFO kablam! su: No module specific data is present
Oct 27 14:52:17.143 INFO running `"docker" "rm" "-f" "266f377fc899ee4cc4865c579cb1a741ed86d954dbac26ec757903f16111154d"`
Oct 27 14:52:17.282 INFO blam! 266f377fc899ee4cc4865c579cb1a741ed86d954dbac26ec757903f16111154d