Aug 01 20:50:45.533 INFO checking tap-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:50:45.533 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:50:45.533 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:50:45.533 INFO running `"docker" "create" "-v" "/tmp/crater.HvG4XHaQaX3X:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 20:50:45.766 INFO blam! af05f60afc9aa9c78fe8956bfde7254f4a778b841d424a96e2d489931079a69c
Aug 01 20:50:45.768 INFO running `"docker" "start" "-a" "af05f60afc9aa9c78fe8956bfde7254f4a778b841d424a96e2d489931079a69c"`
Aug 01 20:50:46.891 INFO kablam!     Checking tap v0.2.1 (file:///source)
Aug 01 20:50:47.420 INFO kablam! warning: variable does not need to be mutable
Aug 01 20:50:47.420 INFO kablam!   --> src/lib.rs:72:21
Aug 01 20:50:47.420 INFO kablam!    |
Aug 01 20:50:47.420 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 01 20:50:47.420 INFO kablam!    |                     ----^^^
Aug 01 20:50:47.420 INFO kablam!    |                     |
Aug 01 20:50:47.420 INFO kablam!    |                     help: remove this `mut`
Aug 01 20:50:47.420 INFO kablam!    |
Aug 01 20:50:47.420 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 20:50:47.421 INFO kablam! 
Aug 01 20:50:47.560 INFO kablam! warning: unused `#[macro_use]` import
Aug 01 20:50:47.560 INFO kablam!  --> src/lib.rs:8:18
Aug 01 20:50:47.560 INFO kablam!   |
Aug 01 20:50:47.560 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Aug 01 20:50:47.560 INFO kablam!   |                  ^^^^^^^^^^
Aug 01 20:50:47.561 INFO kablam!   |
Aug 01 20:50:47.561 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 01 20:50:47.561 INFO kablam! 
Aug 01 20:50:48.114 INFO kablam! warning: variable does not need to be mutable
Aug 01 20:50:48.114 INFO kablam!   --> src/lib.rs:72:21
Aug 01 20:50:48.114 INFO kablam!    |
Aug 01 20:50:48.114 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 01 20:50:48.114 INFO kablam!    |                     ----^^^
Aug 01 20:50:48.114 INFO kablam!    |                     |
Aug 01 20:50:48.114 INFO kablam!    |                     help: remove this `mut`
Aug 01 20:50:48.114 INFO kablam!    |
Aug 01 20:50:48.114 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 20:50:48.114 INFO kablam! 
Aug 01 20:50:48.184 INFO kablam! warning: variable does not need to be mutable
Aug 01 20:50:48.184 INFO kablam!    --> src/lib.rs:135:33
Aug 01 20:50:48.184 INFO kablam!     |
Aug 01 20:50:48.184 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 01 20:50:48.185 INFO kablam!     |                                 ----^^^
Aug 01 20:50:48.185 INFO kablam!     |                                 |
Aug 01 20:50:48.185 INFO kablam!     |                                 help: remove this `mut`
Aug 01 20:50:48.185 INFO kablam! 
Aug 01 20:50:48.477 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Aug 01 20:50:48.482 INFO kablam! su: No module specific data is present
Aug 01 20:50:48.994 INFO running `"docker" "rm" "-f" "af05f60afc9aa9c78fe8956bfde7254f4a778b841d424a96e2d489931079a69c"`
Aug 01 20:50:49.165 INFO blam! af05f60afc9aa9c78fe8956bfde7254f4a778b841d424a96e2d489931079a69c