Aug 30 19:09:31.387 INFO checking elementtree-0.5.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 19:09:31.387 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 19:09:31.387 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-0/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 19:09:31.628 INFO blam! 85aff4856c8b50a1826df28c1010b5bdea9f8f98bb3061ef1e5080a8beff18e7
Aug 30 19:09:31.630 INFO running `"docker" "start" "-a" "85aff4856c8b50a1826df28c1010b5bdea9f8f98bb3061ef1e5080a8beff18e7"`
Aug 30 19:09:32.571 INFO kablam!     Checking elementtree v0.5.0 (file:///source)
Aug 30 19:09:35.888 INFO kablam! warning: variable does not need to be mutable
Aug 30 19:09:35.888 INFO kablam!    --> tests/test_basic.rs:138:13
Aug 30 19:09:35.888 INFO kablam!     |
Aug 30 19:09:35.888 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Aug 30 19:09:35.888 INFO kablam!     |             ----^^^^
Aug 30 19:09:35.888 INFO kablam!     |             |
Aug 30 19:09:35.888 INFO kablam!     |             help: remove this `mut`
Aug 30 19:09:35.888 INFO kablam!     |
Aug 30 19:09:35.888 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 19:09:35.888 INFO kablam! 
Aug 30 19:09:35.896 INFO kablam! warning: variable does not need to be mutable
Aug 30 19:09:35.896 INFO kablam!    --> tests/test_basic.rs:183:13
Aug 30 19:09:35.896 INFO kablam!     |
Aug 30 19:09:35.896 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Aug 30 19:09:35.896 INFO kablam!     |             ----^^^^
Aug 30 19:09:35.896 INFO kablam!     |             |
Aug 30 19:09:35.896 INFO kablam!     |             help: remove this `mut`
Aug 30 19:09:35.896 INFO kablam! 
Aug 30 19:09:35.898 INFO kablam! warning: variable does not need to be mutable
Aug 30 19:09:35.898 INFO kablam!    --> tests/test_basic.rs:210:13
Aug 30 19:09:35.898 INFO kablam!     |
Aug 30 19:09:35.899 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Aug 30 19:09:35.899 INFO kablam!     |             ----^^^^
Aug 30 19:09:35.899 INFO kablam!     |             |
Aug 30 19:09:35.899 INFO kablam!     |             help: remove this `mut`
Aug 30 19:09:35.899 INFO kablam! 
Aug 30 19:09:35.901 INFO kablam! warning: variable does not need to be mutable
Aug 30 19:09:35.901 INFO kablam!    --> tests/test_basic.rs:238:13
Aug 30 19:09:35.901 INFO kablam!     |
Aug 30 19:09:35.901 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Aug 30 19:09:35.901 INFO kablam!     |             ----^^^^
Aug 30 19:09:35.901 INFO kablam!     |             |
Aug 30 19:09:35.901 INFO kablam!     |             help: remove this `mut`
Aug 30 19:09:35.901 INFO kablam! 
Aug 30 19:09:35.904 INFO kablam! warning: variable does not need to be mutable
Aug 30 19:09:35.904 INFO kablam!    --> tests/test_basic.rs:266:13
Aug 30 19:09:35.904 INFO kablam!     |
Aug 30 19:09:35.904 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Aug 30 19:09:35.904 INFO kablam!     |             ----^^^^
Aug 30 19:09:35.904 INFO kablam!     |             |
Aug 30 19:09:35.904 INFO kablam!     |             help: remove this `mut`
Aug 30 19:09:35.904 INFO kablam! 
Aug 30 19:09:35.912 INFO kablam! warning: variable does not need to be mutable
Aug 30 19:09:35.912 INFO kablam!    --> tests/test_basic.rs:323:13
Aug 30 19:09:35.912 INFO kablam!     |
Aug 30 19:09:35.912 INFO kablam! 323 |         let mut list = root.find_mut("list").unwrap();
Aug 30 19:09:35.912 INFO kablam!     |             ----^^^^
Aug 30 19:09:35.912 INFO kablam!     |             |
Aug 30 19:09:35.912 INFO kablam!     |             help: remove this `mut`
Aug 30 19:09:35.912 INFO kablam! 
Aug 30 19:09:35.933 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
Aug 30 19:09:35.938 INFO kablam! su: No module specific data is present
Aug 30 19:09:36.442 INFO running `"docker" "rm" "-f" "85aff4856c8b50a1826df28c1010b5bdea9f8f98bb3061ef1e5080a8beff18e7"`
Aug 30 19:09:36.581 INFO blam! 85aff4856c8b50a1826df28c1010b5bdea9f8f98bb3061ef1e5080a8beff18e7