Sep 21 02:03:49.655 INFO checking tap-0.3.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 02:03:49.655 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 02:03:49.655 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:03:49.868 INFO blam! ac819564580a0416de3e93167f28d54c7066bf0eef062abc67c9598858806f17
Sep 21 02:03:49.872 INFO running `"docker" "start" "-a" "ac819564580a0416de3e93167f28d54c7066bf0eef062abc67c9598858806f17"`
Sep 21 02:03:50.718 INFO kablam! usermod: no changes
Sep 21 02:03:50.769 INFO kablam!     Checking tap v0.3.0 (/source)
Sep 21 02:03:51.070 INFO kablam! warning: variable does not need to be mutable
Sep 21 02:03:51.070 INFO kablam!   --> src/lib.rs:78:21
Sep 21 02:03:51.070 INFO kablam!    |
Sep 21 02:03:51.070 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 21 02:03:51.070 INFO kablam!    |                     ----^^^
Sep 21 02:03:51.070 INFO kablam!    |                     |
Sep 21 02:03:51.070 INFO kablam!    |                     help: remove this `mut`
Sep 21 02:03:51.070 INFO kablam!    |
Sep 21 02:03:51.070 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 02:03:51.070 INFO kablam! 
Sep 21 02:03:51.082 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 02:03:51.082 INFO kablam!   --> src/lib.rs:14:18
Sep 21 02:03:51.082 INFO kablam!    |
Sep 21 02:03:51.082 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Sep 21 02:03:51.082 INFO kablam!    |                  ^^^^^^^^^^
Sep 21 02:03:51.082 INFO kablam!    |
Sep 21 02:03:51.082 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 02:03:51.082 INFO kablam! 
Sep 21 02:03:51.190 INFO kablam! warning: variable does not need to be mutable
Sep 21 02:03:51.190 INFO kablam!   --> src/lib.rs:78:21
Sep 21 02:03:51.190 INFO kablam!    |
Sep 21 02:03:51.190 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Sep 21 02:03:51.190 INFO kablam!    |                     ----^^^
Sep 21 02:03:51.191 INFO kablam!    |                     |
Sep 21 02:03:51.191 INFO kablam!    |                     help: remove this `mut`
Sep 21 02:03:51.191 INFO kablam!    |
Sep 21 02:03:51.191 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 02:03:51.191 INFO kablam! 
Sep 21 02:03:51.206 INFO kablam! warning: variable does not need to be mutable
Sep 21 02:03:51.206 INFO kablam!    --> src/lib.rs:141:33
Sep 21 02:03:51.206 INFO kablam!     |
Sep 21 02:03:51.206 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Sep 21 02:03:51.206 INFO kablam!     |                                 ----^^^
Sep 21 02:03:51.206 INFO kablam!     |                                 |
Sep 21 02:03:51.206 INFO kablam!     |                                 help: remove this `mut`
Sep 21 02:03:51.206 INFO kablam! 
Sep 21 02:03:51.499 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 21 02:03:51.502 INFO kablam! su: No module specific data is present
Sep 21 02:03:52.069 INFO running `"docker" "rm" "-f" "ac819564580a0416de3e93167f28d54c7066bf0eef062abc67c9598858806f17"`
Sep 21 02:03:52.166 INFO blam! ac819564580a0416de3e93167f28d54c7066bf0eef062abc67c9598858806f17