Sep 14 14:25:12.130 INFO checking jec-rccow-0.1.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 14:25:12.130 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 14:25:12.130 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 14:25:12.687 INFO blam! 7bf90669aeab7e56f3e4246f47fb6fb85cf06cf04030c3c915afed56c8732e3b
Sep 14 14:25:12.693 INFO running `"docker" "start" "-a" "7bf90669aeab7e56f3e4246f47fb6fb85cf06cf04030c3c915afed56c8732e3b"`
Sep 14 14:25:14.234 INFO kablam! usermod: no changes
Sep 14 14:25:14.279 INFO kablam!     Checking jec-rccow v0.1.0 (file:///source)
Sep 14 14:25:14.831 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:25:14.831 INFO kablam!   --> src/lib.rs:73:13
Sep 14 14:25:14.831 INFO kablam!    |
Sep 14 14:25:14.831 INFO kablam! 73 |         let mut a = RcCow::new(5i32);
Sep 14 14:25:14.831 INFO kablam!    |             ----^
Sep 14 14:25:14.831 INFO kablam!    |             |
Sep 14 14:25:14.831 INFO kablam!    |             help: remove this `mut`
Sep 14 14:25:14.831 INFO kablam!    |
Sep 14 14:25:14.831 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 14:25:14.831 INFO kablam! 
Sep 14 14:25:14.831 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:25:14.831 INFO kablam!   --> src/lib.rs:77:13
Sep 14 14:25:14.831 INFO kablam!    |
Sep 14 14:25:14.831 INFO kablam! 77 |         let mut c = b.clone();
Sep 14 14:25:14.831 INFO kablam!    |             ----^
Sep 14 14:25:14.831 INFO kablam!    |             |
Sep 14 14:25:14.831 INFO kablam!    |             help: remove this `mut`
Sep 14 14:25:14.831 INFO kablam! 
Sep 14 14:25:14.863 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Sep 14 14:25:14.866 INFO kablam! su: No module specific data is present
Sep 14 14:25:16.149 INFO running `"docker" "rm" "-f" "7bf90669aeab7e56f3e4246f47fb6fb85cf06cf04030c3c915afed56c8732e3b"`
Sep 14 14:25:16.503 INFO blam! 7bf90669aeab7e56f3e4246f47fb6fb85cf06cf04030c3c915afed56c8732e3b