Aug 02 11:16:50.959 INFO checking dono-2.0.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:16:50.959 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:16:50.959 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:16:50.959 INFO running `"docker" "create" "-v" "/tmp/crater.06wggngutBNB:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 02 11:16:51.202 INFO blam! f8eb5301f360390ef6e268f5b225c1c488837a614263485529f4451a35086d55
Aug 02 11:16:51.215 INFO running `"docker" "start" "-a" "f8eb5301f360390ef6e268f5b225c1c488837a614263485529f4451a35086d55"`
Aug 02 11:16:53.066 INFO kablam!     Checking os_type v0.5.0
Aug 02 11:16:53.766 INFO kablam!     Checking dono v2.0.0 (file:///source)
Aug 02 11:16:57.942 INFO kablam! warning: variable does not need to be mutable
Aug 02 11:16:57.942 INFO kablam!    --> tests/labels.rs:106:9
Aug 02 11:16:57.942 INFO kablam!     |
Aug 02 11:16:57.942 INFO kablam! 106 |     let mut label = labels.last_mut().unwrap();
Aug 02 11:16:57.942 INFO kablam!     |         ----^^^^^
Aug 02 11:16:57.942 INFO kablam!     |         |
Aug 02 11:16:57.942 INFO kablam!     |         help: remove this `mut`
Aug 02 11:16:57.942 INFO kablam!     |
Aug 02 11:16:57.942 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 11:16:57.942 INFO kablam! 
Aug 02 11:16:58.043 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
Aug 02 11:16:58.048 INFO kablam! su: No module specific data is present
Aug 02 11:16:58.771 INFO running `"docker" "rm" "-f" "f8eb5301f360390ef6e268f5b225c1c488837a614263485529f4451a35086d55"`
Aug 02 11:16:58.904 INFO blam! f8eb5301f360390ef6e268f5b225c1c488837a614263485529f4451a35086d55