Sep 18 01:16:05.581 INFO checking elementtree-0.4.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 01:16:05.581 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 01:16:05.581 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:16:05.774 INFO blam! 5329fcd815c691f702b65b5e13ae9ecfc3f6a359434f7f3dd0d3cf490c3d354b
Sep 18 01:16:05.776 INFO running `"docker" "start" "-a" "5329fcd815c691f702b65b5e13ae9ecfc3f6a359434f7f3dd0d3cf490c3d354b"`
Sep 18 01:16:06.919 INFO kablam! usermod: no changes
Sep 18 01:16:07.039 INFO kablam!     Checking elementtree v0.4.0 (/source)
Sep 18 01:16:08.823 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:16:08.823 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 18 01:16:08.823 INFO kablam!     |
Sep 18 01:16:08.823 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 18 01:16:08.823 INFO kablam!     |             ----^^^^
Sep 18 01:16:08.823 INFO kablam!     |             |
Sep 18 01:16:08.823 INFO kablam!     |             help: remove this `mut`
Sep 18 01:16:08.823 INFO kablam!     |
Sep 18 01:16:08.823 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 18 01:16:08.823 INFO kablam! 
Sep 18 01:16:08.827 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:16:08.827 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 18 01:16:08.827 INFO kablam!     |
Sep 18 01:16:08.827 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 18 01:16:08.827 INFO kablam!     |             ----^^^^
Sep 18 01:16:08.827 INFO kablam!     |             |
Sep 18 01:16:08.827 INFO kablam!     |             help: remove this `mut`
Sep 18 01:16:08.827 INFO kablam! 
Sep 18 01:16:08.829 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:16:08.829 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 18 01:16:08.829 INFO kablam!     |
Sep 18 01:16:08.829 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 18 01:16:08.829 INFO kablam!     |             ----^^^^
Sep 18 01:16:08.829 INFO kablam!     |             |
Sep 18 01:16:08.829 INFO kablam!     |             help: remove this `mut`
Sep 18 01:16:08.829 INFO kablam! 
Sep 18 01:16:08.831 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:16:08.831 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 18 01:16:08.831 INFO kablam!     |
Sep 18 01:16:08.831 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 18 01:16:08.831 INFO kablam!     |             ----^^^^
Sep 18 01:16:08.831 INFO kablam!     |             |
Sep 18 01:16:08.831 INFO kablam!     |             help: remove this `mut`
Sep 18 01:16:08.831 INFO kablam! 
Sep 18 01:16:08.832 INFO kablam! warning: variable does not need to be mutable
Sep 18 01:16:08.832 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 18 01:16:08.832 INFO kablam!     |
Sep 18 01:16:08.832 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 18 01:16:08.832 INFO kablam!     |             ----^^^^
Sep 18 01:16:08.832 INFO kablam!     |             |
Sep 18 01:16:08.832 INFO kablam!     |             help: remove this `mut`
Sep 18 01:16:08.833 INFO kablam! 
Sep 18 01:16:08.852 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Sep 18 01:16:08.856 INFO kablam! su: No module specific data is present
Sep 18 01:16:09.455 INFO running `"docker" "rm" "-f" "5329fcd815c691f702b65b5e13ae9ecfc3f6a359434f7f3dd0d3cf490c3d354b"`
Sep 18 01:16:09.544 INFO blam! 5329fcd815c691f702b65b5e13ae9ecfc3f6a359434f7f3dd0d3cf490c3d354b