Aug 01 21:39:59.766 INFO checking specs_engine-0.0.3 against 1.27.2 for lazy_static-1
Aug 01 21:39:59.766 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:39:59.766 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:39:59.767 INFO running `"docker" "create" "-v" "/tmp/crater.u9JS1cNCiOjH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 21:40:00.023 INFO blam! ccaf2ad4e7bfa943644bcb64db3a7879a011e5c6bf7c234b6ddc324b196d1a6f
Aug 01 21:40:00.023 INFO running `"docker" "start" "-a" "ccaf2ad4e7bfa943644bcb64db3a7879a011e5c6bf7c234b6ddc324b196d1a6f"`
Aug 01 21:40:01.041 INFO kablam!     Checking slog v1.7.1
Aug 01 21:40:01.045 INFO kablam!     Checking pulse v0.5.3
Aug 01 21:40:02.349 INFO kablam!     Checking specs v0.7.1
Aug 01 21:40:02.629 INFO kablam!     Checking slog-extra v0.1.2
Aug 01 21:40:03.865 INFO kablam!     Checking slog-stream v1.2.1
Aug 01 21:40:04.639 INFO kablam!     Checking slog-term v1.5.0
Aug 01 21:40:08.561 INFO kablam!     Checking specs_engine v0.0.3 (file:///source)
Aug 01 21:40:09.915 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:40:09.915 INFO kablam!   --> src/machine.rs:39:17
Aug 01 21:40:09.915 INFO kablam!    |
Aug 01 21:40:09.915 INFO kablam! 39 |             let mut state = self._stack.last_mut().expect("Called long update without a state in the stack!");
Aug 01 21:40:09.915 INFO kablam!    |                 ----^^^^^
Aug 01 21:40:09.915 INFO kablam!    |                 |
Aug 01 21:40:09.915 INFO kablam!    |                 help: remove this `mut`
Aug 01 21:40:09.915 INFO kablam!    |
Aug 01 21:40:09.915 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 21:40:09.915 INFO kablam! 
Aug 01 21:40:09.924 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:40:09.924 INFO kablam!   --> src/machine.rs:73:30
Aug 01 21:40:09.924 INFO kablam!    |
Aug 01 21:40:09.924 INFO kablam! 73 |                  if let Some(mut state) = self._stack.last_mut() {
Aug 01 21:40:09.924 INFO kablam!    |                              ----^^^^^
Aug 01 21:40:09.924 INFO kablam!    |                              |
Aug 01 21:40:09.924 INFO kablam!    |                              help: remove this `mut`
Aug 01 21:40:09.924 INFO kablam! 
Aug 01 21:40:10.545 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:40:10.545 INFO kablam!   --> src/machine.rs:39:17
Aug 01 21:40:10.545 INFO kablam!    |
Aug 01 21:40:10.545 INFO kablam! 39 |             let mut state = self._stack.last_mut().expect("Called long update without a state in the stack!");
Aug 01 21:40:10.545 INFO kablam!    |                 ----^^^^^
Aug 01 21:40:10.545 INFO kablam!    |                 |
Aug 01 21:40:10.545 INFO kablam!    |                 help: remove this `mut`
Aug 01 21:40:10.572 INFO kablam!    |
Aug 01 21:40:10.573 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 01 21:40:10.573 INFO kablam! 
Aug 01 21:40:10.582 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:40:10.582 INFO kablam!   --> src/machine.rs:73:30
Aug 01 21:40:10.582 INFO kablam!    |
Aug 01 21:40:10.582 INFO kablam! 73 |                  if let Some(mut state) = self._stack.last_mut() {
Aug 01 21:40:10.582 INFO kablam!    |                              ----^^^^^
Aug 01 21:40:10.582 INFO kablam!    |                              |
Aug 01 21:40:10.582 INFO kablam!    |                              help: remove this `mut`
Aug 01 21:40:10.582 INFO kablam! 
Aug 01 21:40:11.153 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.19s
Aug 01 21:40:11.161 INFO kablam! su: No module specific data is present
Aug 01 21:40:11.841 INFO running `"docker" "rm" "-f" "ccaf2ad4e7bfa943644bcb64db3a7879a011e5c6bf7c234b6ddc324b196d1a6f"`
Aug 01 21:40:12.026 INFO blam! ccaf2ad4e7bfa943644bcb64db3a7879a011e5c6bf7c234b6ddc324b196d1a6f