Jul 11 19:57:09.072 INFO checking tap-0.3.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 11 19:57:09.072 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 19:57:09.072 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 19:57:09.072 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-7/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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=500" "-e" "CMD=cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 19:57:09.310 INFO blam! 2570b7de8f1f42562c72617a67c0b5d022717e03393d33651f1b91d6fda193fa
Jul 11 19:57:09.313 INFO running `"docker" "start" "-a" "2570b7de8f1f42562c72617a67c0b5d022717e03393d33651f1b91d6fda193fa"`
Jul 11 19:57:10.285 INFO kablam!     Checking tap v0.3.0 (file:///source)
Jul 11 19:57:10.758 INFO kablam! warning: variable does not need to be mutable
Jul 11 19:57:10.758 INFO kablam!   --> src/lib.rs:78:21
Jul 11 19:57:10.758 INFO kablam!    |
Jul 11 19:57:10.758 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Jul 11 19:57:10.758 INFO kablam!    |                     ----^^^
Jul 11 19:57:10.758 INFO kablam!    |                     |
Jul 11 19:57:10.758 INFO kablam!    |                     help: remove this `mut`
Jul 11 19:57:10.762 INFO kablam!    |
Jul 11 19:57:10.762 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 19:57:10.762 INFO kablam! 
Jul 11 19:57:10.916 INFO kablam! warning: unused `#[macro_use]` import
Jul 11 19:57:10.916 INFO kablam!   --> src/lib.rs:14:18
Jul 11 19:57:10.916 INFO kablam!    |
Jul 11 19:57:10.916 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Jul 11 19:57:10.916 INFO kablam!    |                  ^^^^^^^^^^
Jul 11 19:57:10.916 INFO kablam!    |
Jul 11 19:57:10.916 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 11 19:57:10.916 INFO kablam! 
Jul 11 19:57:11.589 INFO kablam! warning: variable does not need to be mutable
Jul 11 19:57:11.589 INFO kablam!   --> src/lib.rs:78:21
Jul 11 19:57:11.589 INFO kablam!    |
Jul 11 19:57:11.589 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Jul 11 19:57:11.589 INFO kablam!    |                     ----^^^
Jul 11 19:57:11.589 INFO kablam!    |                     |
Jul 11 19:57:11.589 INFO kablam!    |                     help: remove this `mut`
Jul 11 19:57:11.590 INFO kablam!    |
Jul 11 19:57:11.590 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 11 19:57:11.590 INFO kablam! 
Jul 11 19:57:11.645 INFO kablam! warning: variable does not need to be mutable
Jul 11 19:57:11.645 INFO kablam!    --> src/lib.rs:141:33
Jul 11 19:57:11.645 INFO kablam!     |
Jul 11 19:57:11.645 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Jul 11 19:57:11.645 INFO kablam!     |                                 ----^^^
Jul 11 19:57:11.645 INFO kablam!     |                                 |
Jul 11 19:57:11.645 INFO kablam!     |                                 help: remove this `mut`
Jul 11 19:57:11.645 INFO kablam! 
Jul 11 19:57:11.678 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Jul 11 19:57:11.683 INFO kablam! su: No module specific data is present
Jul 11 19:57:12.235 INFO running `"docker" "rm" "-f" "2570b7de8f1f42562c72617a67c0b5d022717e03393d33651f1b91d6fda193fa"`
Jul 11 19:57:12.415 INFO blam! 2570b7de8f1f42562c72617a67c0b5d022717e03393d33651f1b91d6fda193fa