Aug 11 00:24:44.417 INFO checking tap-0.2.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 00:24:44.417 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 00:24:44.417 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 00:24:44.418 INFO running `"docker" "create" "-v" "/tmp/crater.c3t78XWGM9X2:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 00:24:44.657 INFO blam! 5d538fcbc48fe5228b849818cf51188beda95aa30c3c9c849e21f944f3227dae
Aug 11 00:24:44.659 INFO running `"docker" "start" "-a" "5d538fcbc48fe5228b849818cf51188beda95aa30c3c9c849e21f944f3227dae"`
Aug 11 00:24:45.948 INFO kablam!     Checking tap v0.2.1 (file:///source)
Aug 11 00:24:46.246 INFO kablam! warning: variable does not need to be mutable
Aug 11 00:24:46.246 INFO kablam!   --> src/lib.rs:72:21
Aug 11 00:24:46.246 INFO kablam!    |
Aug 11 00:24:46.246 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 11 00:24:46.246 INFO kablam!    |                     ----^^^
Aug 11 00:24:46.246 INFO kablam!    |                     |
Aug 11 00:24:46.246 INFO kablam!    |                     help: remove this `mut`
Aug 11 00:24:46.246 INFO kablam!    |
Aug 11 00:24:46.247 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 00:24:46.247 INFO kablam! 
Aug 11 00:24:46.634 INFO kablam! warning: unused `#[macro_use]` import
Aug 11 00:24:46.634 INFO kablam!  --> src/lib.rs:8:18
Aug 11 00:24:46.634 INFO kablam!   |
Aug 11 00:24:46.634 INFO kablam! 8 | #[cfg_attr(test, macro_use)]
Aug 11 00:24:46.634 INFO kablam!   |                  ^^^^^^^^^^
Aug 11 00:24:46.635 INFO kablam!   |
Aug 11 00:24:46.635 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 11 00:24:46.635 INFO kablam! 
Aug 11 00:24:47.478 INFO kablam! warning: variable does not need to be mutable
Aug 11 00:24:47.478 INFO kablam!   --> src/lib.rs:72:21
Aug 11 00:24:47.478 INFO kablam!    |
Aug 11 00:24:47.478 INFO kablam! 72 |         if let Some(mut val) = self.as_mut() {
Aug 11 00:24:47.478 INFO kablam!    |                     ----^^^
Aug 11 00:24:47.478 INFO kablam!    |                     |
Aug 11 00:24:47.478 INFO kablam!    |                     help: remove this `mut`
Aug 11 00:24:47.479 INFO kablam!    |
Aug 11 00:24:47.479 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 00:24:47.479 INFO kablam! 
Aug 11 00:24:47.585 INFO kablam! warning: variable does not need to be mutable
Aug 11 00:24:47.585 INFO kablam!    --> src/lib.rs:135:33
Aug 11 00:24:47.585 INFO kablam!     |
Aug 11 00:24:47.585 INFO kablam! 135 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Aug 11 00:24:47.585 INFO kablam!     |                                 ----^^^
Aug 11 00:24:47.586 INFO kablam!     |                                 |
Aug 11 00:24:47.586 INFO kablam!     |                                 help: remove this `mut`
Aug 11 00:24:47.588 INFO kablam! 
Aug 11 00:24:47.654 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Aug 11 00:24:47.659 INFO kablam! su: No module specific data is present
Aug 11 00:24:48.233 INFO running `"docker" "rm" "-f" "5d538fcbc48fe5228b849818cf51188beda95aa30c3c9c849e21f944f3227dae"`
Aug 11 00:24:48.404 INFO blam! 5d538fcbc48fe5228b849818cf51188beda95aa30c3c9c849e21f944f3227dae