Aug 02 02:32:50.014 INFO checking peggler-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:32:50.014 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:32:50.014 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:32:50.014 INFO running `"docker" "create" "-v" "/tmp/crater.h8wN7PjXwSnJ:/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 02 02:32:50.255 INFO blam! 2aa024a2e322f89748bdc676b704946e11e86049eb5629f70b23547a66d14d06
Aug 02 02:32:50.261 INFO running `"docker" "start" "-a" "2aa024a2e322f89748bdc676b704946e11e86049eb5629f70b23547a66d14d06"`
Aug 02 02:32:51.224 INFO kablam!     Checking peggler v0.1.0 (file:///source)
Aug 02 02:32:53.773 INFO kablam! warning: variable does not need to be mutable
Aug 02 02:32:53.773 INFO kablam!  --> tests/arithmetic.rs:9:9
Aug 02 02:32:53.773 INFO kablam!   |
Aug 02 02:32:53.773 INFO kablam! 9 |     let mut end : usize;
Aug 02 02:32:53.774 INFO kablam!   |         ----^^^
Aug 02 02:32:53.774 INFO kablam!   |         |
Aug 02 02:32:53.774 INFO kablam!   |         help: remove this `mut`
Aug 02 02:32:53.774 INFO kablam!   |
Aug 02 02:32:53.775 INFO kablam!   = note: #[warn(unused_mut)] on by default
Aug 02 02:32:53.775 INFO kablam! 
Aug 02 02:32:55.949 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
Aug 02 02:32:55.960 INFO kablam! su: No module specific data is present
Aug 02 02:32:57.093 INFO running `"docker" "rm" "-f" "2aa024a2e322f89748bdc676b704946e11e86049eb5629f70b23547a66d14d06"`
Aug 02 02:32:57.272 INFO blam! 2aa024a2e322f89748bdc676b704946e11e86049eb5629f70b23547a66d14d06