Jul 12 06:15:15.776 INFO checking jec-rccow-0.1.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 06:15:15.777 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 06:15:15.777 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 06:15:15.777 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-7/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 06:15:16.011 INFO blam! 85bdbcafa2d86f7d4708ab90357aa06985a48981f9d02b53d034dbcb2fc18b23
Jul 12 06:15:16.014 INFO running `"docker" "start" "-a" "85bdbcafa2d86f7d4708ab90357aa06985a48981f9d02b53d034dbcb2fc18b23"`
Jul 12 06:15:16.967 INFO kablam!     Checking jec-rccow v0.1.0 (file:///source)
Jul 12 06:15:18.196 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:15:18.196 INFO kablam!   --> src/lib.rs:73:13
Jul 12 06:15:18.196 INFO kablam!    |
Jul 12 06:15:18.196 INFO kablam! 73 |         let mut a = RcCow::new(5i32);
Jul 12 06:15:18.196 INFO kablam!    |             ----^
Jul 12 06:15:18.196 INFO kablam!    |             |
Jul 12 06:15:18.196 INFO kablam!    |             help: remove this `mut`
Jul 12 06:15:18.198 INFO kablam!    |
Jul 12 06:15:18.198 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 06:15:18.198 INFO kablam! 
Jul 12 06:15:18.198 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:15:18.198 INFO kablam!   --> src/lib.rs:77:13
Jul 12 06:15:18.198 INFO kablam!    |
Jul 12 06:15:18.199 INFO kablam! 77 |         let mut c = b.clone();
Jul 12 06:15:18.199 INFO kablam!    |             ----^
Jul 12 06:15:18.199 INFO kablam!    |             |
Jul 12 06:15:18.199 INFO kablam!    |             help: remove this `mut`
Jul 12 06:15:18.199 INFO kablam! 
Jul 12 06:15:18.241 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Jul 12 06:15:18.248 INFO kablam! su: No module specific data is present
Jul 12 06:15:18.956 INFO running `"docker" "rm" "-f" "85bdbcafa2d86f7d4708ab90357aa06985a48981f9d02b53d034dbcb2fc18b23"`
Jul 12 06:15:19.117 INFO blam! 85bdbcafa2d86f7d4708ab90357aa06985a48981f9d02b53d034dbcb2fc18b23