Sep 19 17:13:02.899 INFO checking tap-0.2.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 17:13:02.899 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 17:13:02.899 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:13:03.098 INFO blam! f5a3be9a2ea76708d2c8469bf406a8482e948e0f739cc9dc36fa2919b7981485
Sep 19 17:13:03.100 INFO running `"docker" "start" "-a" "f5a3be9a2ea76708d2c8469bf406a8482e948e0f739cc9dc36fa2919b7981485"`
Sep 19 17:13:03.786 INFO kablam! usermod: no changes
Sep 19 17:13:03.816 INFO kablam!     Checking tap v0.2.1 (/source)
Sep 19 17:13:04.012 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:13:04.012 INFO kablam!   --> src/lib.rs:72:21
Sep 19 17:13:04.012 INFO kablam!    |
Sep 19 17:13:04.012 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 19 17:13:04.012 INFO kablam!    |                     ----^^^
Sep 19 17:13:04.012 INFO kablam!    |                     |
Sep 19 17:13:04.012 INFO kablam!    |                     help: remove this `mut`
Sep 19 17:13:04.012 INFO kablam!    |
Sep 19 17:13:04.012 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 17:13:04.012 INFO kablam! 
Sep 19 17:13:04.019 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 17:13:04.019 INFO kablam!  --> src/lib.rs:8:18
Sep 19 17:13:04.019 INFO kablam!   |
Sep 19 17:13:04.019 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Sep 19 17:13:04.019 INFO kablam!   |                  ^^^^^^^^^^
Sep 19 17:13:04.019 INFO kablam!   |
Sep 19 17:13:04.019 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 19 17:13:04.019 INFO kablam! 
Sep 19 17:13:04.130 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:13:04.130 INFO kablam!   --> src/lib.rs:72:21
Sep 19 17:13:04.130 INFO kablam!    |
Sep 19 17:13:04.130 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Sep 19 17:13:04.130 INFO kablam!    |                     ----^^^
Sep 19 17:13:04.130 INFO kablam!    |                     |
Sep 19 17:13:04.130 INFO kablam!    |                     help: remove this `mut`
Sep 19 17:13:04.130 INFO kablam!    |
Sep 19 17:13:04.130 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 17:13:04.130 INFO kablam! 
Sep 19 17:13:04.142 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:13:04.142 INFO kablam!    --> src/lib.rs:135:33
Sep 19 17:13:04.142 INFO kablam!     |
Sep 19 17:13:04.142 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 19 17:13:04.142 INFO kablam!     |                                 ----^^^
Sep 19 17:13:04.142 INFO kablam!     |                                 |
Sep 19 17:13:04.142 INFO kablam!     |                                 help: remove this `mut`
Sep 19 17:13:04.142 INFO kablam! 
Sep 19 17:13:04.309 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Sep 19 17:13:04.314 INFO kablam! su: No module specific data is present
Sep 19 17:13:05.228 INFO running `"docker" "rm" "-f" "f5a3be9a2ea76708d2c8469bf406a8482e948e0f739cc9dc36fa2919b7981485"`
Sep 19 17:13:05.376 INFO blam! f5a3be9a2ea76708d2c8469bf406a8482e948e0f739cc9dc36fa2919b7981485