Sep 05 22:10:57.180 INFO checking tap-0.3.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 22:10:57.180 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 22:10:57.181 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:10:57.441 INFO blam! 114106adc30b9be2c8ade4df325f838656eb3dcac51a98bb35c4b0d2afcf0f66
Sep 05 22:10:57.448 INFO running `"docker" "start" "-a" "114106adc30b9be2c8ade4df325f838656eb3dcac51a98bb35c4b0d2afcf0f66"`
Sep 05 22:10:58.486 INFO kablam! usermod: no changes
Sep 05 22:10:58.542 INFO kablam!     Checking tap v0.3.0 (file:///source)
Sep 05 22:10:58.842 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:10:58.842 INFO kablam!   --> src/lib.rs:78:21
Sep 05 22:10:58.842 INFO kablam!    |
Sep 05 22:10:58.842 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 05 22:10:58.842 INFO kablam!    |                     ----^^^
Sep 05 22:10:58.842 INFO kablam!    |                     |
Sep 05 22:10:58.842 INFO kablam!    |                     help: remove this `mut`
Sep 05 22:10:58.842 INFO kablam!    |
Sep 05 22:10:58.842 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:10:58.842 INFO kablam! 
Sep 05 22:10:58.842 INFO kablam! warning: unused `#[macro_use]` import
Sep 05 22:10:58.842 INFO kablam!   --> src/lib.rs:14:18
Sep 05 22:10:58.842 INFO kablam!    |
Sep 05 22:10:58.842 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Sep 05 22:10:58.842 INFO kablam!    |                  ^^^^^^^^^^
Sep 05 22:10:58.842 INFO kablam!    |
Sep 05 22:10:58.842 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 05 22:10:58.842 INFO kablam! 
Sep 05 22:10:59.044 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:10:59.045 INFO kablam!   --> src/lib.rs:78:21
Sep 05 22:10:59.045 INFO kablam!    |
Sep 05 22:10:59.045 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 05 22:10:59.045 INFO kablam!    |                     ----^^^
Sep 05 22:10:59.045 INFO kablam!    |                     |
Sep 05 22:10:59.045 INFO kablam!    |                     help: remove this `mut`
Sep 05 22:10:59.046 INFO kablam!    |
Sep 05 22:10:59.047 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 05 22:10:59.047 INFO kablam! 
Sep 05 22:10:59.065 INFO kablam! warning: variable does not need to be mutable
Sep 05 22:10:59.065 INFO kablam!    --> src/lib.rs:141:33
Sep 05 22:10:59.065 INFO kablam!     |
Sep 05 22:10:59.065 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 05 22:10:59.065 INFO kablam!     |                                 ----^^^
Sep 05 22:10:59.065 INFO kablam!     |                                 |
Sep 05 22:10:59.065 INFO kablam!     |                                 help: remove this `mut`
Sep 05 22:10:59.069 INFO kablam! 
Sep 05 22:10:59.390 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Sep 05 22:10:59.394 INFO kablam! su: No module specific data is present
Sep 05 22:11:00.138 INFO running `"docker" "rm" "-f" "114106adc30b9be2c8ade4df325f838656eb3dcac51a98bb35c4b0d2afcf0f66"`
Sep 05 22:11:00.372 INFO blam! 114106adc30b9be2c8ade4df325f838656eb3dcac51a98bb35c4b0d2afcf0f66