Sep 17 16:18:30.856 INFO checking tap-0.3.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:18:30.856 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:18:30.856 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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=1000" "-e" "CMD=cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:18:31.261 INFO blam! 77c3a20b03c127d984fc6b77391adc73cd16256d7a2d7b250c1d6cd67c9f7ba9
Sep 17 16:18:31.263 INFO running `"docker" "start" "-a" "77c3a20b03c127d984fc6b77391adc73cd16256d7a2d7b250c1d6cd67c9f7ba9"`
Sep 17 16:18:32.588 INFO kablam! usermod: no changes
Sep 17 16:18:32.673 INFO kablam!     Checking tap v0.3.0 (/source)
Sep 17 16:18:32.998 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:18:32.998 INFO kablam!   --> src/lib.rs:78:21
Sep 17 16:18:32.998 INFO kablam!    |
Sep 17 16:18:32.998 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 17 16:18:32.998 INFO kablam!    |                     ----^^^
Sep 17 16:18:32.998 INFO kablam!    |                     |
Sep 17 16:18:32.998 INFO kablam!    |                     help: remove this `mut`
Sep 17 16:18:32.998 INFO kablam!    |
Sep 17 16:18:32.998 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:18:32.998 INFO kablam! 
Sep 17 16:18:33.013 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 16:18:33.013 INFO kablam!   --> src/lib.rs:14:18
Sep 17 16:18:33.013 INFO kablam!    |
Sep 17 16:18:33.014 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Sep 17 16:18:33.014 INFO kablam!    |                  ^^^^^^^^^^
Sep 17 16:18:33.014 INFO kablam!    |
Sep 17 16:18:33.015 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 17 16:18:33.015 INFO kablam! 
Sep 17 16:18:33.295 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:18:33.295 INFO kablam!   --> src/lib.rs:78:21
Sep 17 16:18:33.295 INFO kablam!    |
Sep 17 16:18:33.295 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 17 16:18:33.295 INFO kablam!    |                     ----^^^
Sep 17 16:18:33.295 INFO kablam!    |                     |
Sep 17 16:18:33.295 INFO kablam!    |                     help: remove this `mut`
Sep 17 16:18:33.295 INFO kablam!    |
Sep 17 16:18:33.296 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:18:33.296 INFO kablam! 
Sep 17 16:18:33.359 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:18:33.359 INFO kablam!    --> src/lib.rs:141:33
Sep 17 16:18:33.360 INFO kablam!     |
Sep 17 16:18:33.360 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 17 16:18:33.361 INFO kablam!     |                                 ----^^^
Sep 17 16:18:33.361 INFO kablam!     |                                 |
Sep 17 16:18:33.361 INFO kablam!     |                                 help: remove this `mut`
Sep 17 16:18:33.362 INFO kablam! 
Sep 17 16:18:33.392 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Sep 17 16:18:33.395 INFO kablam! su: No module specific data is present
Sep 17 16:18:34.333 INFO running `"docker" "rm" "-f" "77c3a20b03c127d984fc6b77391adc73cd16256d7a2d7b250c1d6cd67c9f7ba9"`
Sep 17 16:18:34.543 INFO blam! 77c3a20b03c127d984fc6b77391adc73cd16256d7a2d7b250c1d6cd67c9f7ba9