Sep 17 16:18:38.002 INFO checking tap-0.2.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:18:38.002 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:18:38.002 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/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 16:18:38.221 INFO blam! bb29a782a0afae26097a296db95fffa5c44210a150168bd1a679fa3954bfba2f
Sep 17 16:18:38.223 INFO running `"docker" "start" "-a" "bb29a782a0afae26097a296db95fffa5c44210a150168bd1a679fa3954bfba2f"`
Sep 17 16:18:38.899 INFO kablam! usermod: no changes
Sep 17 16:18:38.935 INFO kablam!     Checking tap v0.2.1 (/source)
Sep 17 16:18:39.125 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:18:39.125 INFO kablam!   --> src/lib.rs:72:21
Sep 17 16:18:39.125 INFO kablam!    |
Sep 17 16:18:39.125 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 17 16:18:39.125 INFO kablam!    |                     ----^^^
Sep 17 16:18:39.125 INFO kablam!    |                     |
Sep 17 16:18:39.125 INFO kablam!    |                     help: remove this `mut`
Sep 17 16:18:39.125 INFO kablam!    |
Sep 17 16:18:39.126 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:18:39.126 INFO kablam! 
Sep 17 16:18:39.126 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 16:18:39.126 INFO kablam!  --> src/lib.rs:8:18
Sep 17 16:18:39.126 INFO kablam!   |
Sep 17 16:18:39.126 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Sep 17 16:18:39.126 INFO kablam!   |                  ^^^^^^^^^^
Sep 17 16:18:39.126 INFO kablam!   |
Sep 17 16:18:39.126 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 16:18:39.126 INFO kablam! 
Sep 17 16:18:39.247 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:18:39.247 INFO kablam!   --> src/lib.rs:72:21
Sep 17 16:18:39.247 INFO kablam!    |
Sep 17 16:18:39.247 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 17 16:18:39.247 INFO kablam!    |                     ----^^^
Sep 17 16:18:39.247 INFO kablam!    |                     |
Sep 17 16:18:39.247 INFO kablam!    |                     help: remove this `mut`
Sep 17 16:18:39.247 INFO kablam!    |
Sep 17 16:18:39.247 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:18:39.247 INFO kablam! 
Sep 17 16:18:39.263 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:18:39.263 INFO kablam!    --> src/lib.rs:135:33
Sep 17 16:18:39.263 INFO kablam!     |
Sep 17 16:18:39.263 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 17 16:18:39.263 INFO kablam!     |                                 ----^^^
Sep 17 16:18:39.263 INFO kablam!     |                                 |
Sep 17 16:18:39.263 INFO kablam!     |                                 help: remove this `mut`
Sep 17 16:18:39.263 INFO kablam! 
Sep 17 16:18:39.399 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Sep 17 16:18:39.403 INFO kablam! su: No module specific data is present
Sep 17 16:18:39.857 INFO running `"docker" "rm" "-f" "bb29a782a0afae26097a296db95fffa5c44210a150168bd1a679fa3954bfba2f"`
Sep 17 16:18:40.043 INFO blam! bb29a782a0afae26097a296db95fffa5c44210a150168bd1a679fa3954bfba2f