Aug 30 18:49:52.312 INFO checking elementtree-0.5.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 18:49:52.312 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 18:49:52.312 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 18:49:52.562 INFO blam! 720fd10852102a56d0aa0b42e58e2c6e769965da8c685d575375c20c4df739be
Aug 30 18:49:52.564 INFO running `"docker" "start" "-a" "720fd10852102a56d0aa0b42e58e2c6e769965da8c685d575375c20c4df739be"`
Aug 30 18:49:53.477 INFO kablam!     Checking elementtree v0.5.0 (file:///source)
Aug 30 18:49:58.174 INFO kablam! warning: variable does not need to be mutable
Aug 30 18:49:58.174 INFO kablam!    --> tests/test_basic.rs:138:13
Aug 30 18:49:58.174 INFO kablam!     |
Aug 30 18:49:58.174 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Aug 30 18:49:58.174 INFO kablam!     |             ----^^^^
Aug 30 18:49:58.174 INFO kablam!     |             |
Aug 30 18:49:58.174 INFO kablam!     |             help: remove this `mut`
Aug 30 18:49:58.174 INFO kablam!     |
Aug 30 18:49:58.175 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 18:49:58.175 INFO kablam! 
Aug 30 18:49:58.182 INFO kablam! warning: variable does not need to be mutable
Aug 30 18:49:58.182 INFO kablam!    --> tests/test_basic.rs:183:13
Aug 30 18:49:58.182 INFO kablam!     |
Aug 30 18:49:58.183 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Aug 30 18:49:58.183 INFO kablam!     |             ----^^^^
Aug 30 18:49:58.183 INFO kablam!     |             |
Aug 30 18:49:58.183 INFO kablam!     |             help: remove this `mut`
Aug 30 18:49:58.183 INFO kablam! 
Aug 30 18:49:58.185 INFO kablam! warning: variable does not need to be mutable
Aug 30 18:49:58.185 INFO kablam!    --> tests/test_basic.rs:210:13
Aug 30 18:49:58.185 INFO kablam!     |
Aug 30 18:49:58.186 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Aug 30 18:49:58.186 INFO kablam!     |             ----^^^^
Aug 30 18:49:58.186 INFO kablam!     |             |
Aug 30 18:49:58.186 INFO kablam!     |             help: remove this `mut`
Aug 30 18:49:58.186 INFO kablam! 
Aug 30 18:49:58.188 INFO kablam! warning: variable does not need to be mutable
Aug 30 18:49:58.188 INFO kablam!    --> tests/test_basic.rs:238:13
Aug 30 18:49:58.188 INFO kablam!     |
Aug 30 18:49:58.188 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Aug 30 18:49:58.188 INFO kablam!     |             ----^^^^
Aug 30 18:49:58.188 INFO kablam!     |             |
Aug 30 18:49:58.188 INFO kablam!     |             help: remove this `mut`
Aug 30 18:49:58.188 INFO kablam! 
Aug 30 18:49:58.191 INFO kablam! warning: variable does not need to be mutable
Aug 30 18:49:58.191 INFO kablam!    --> tests/test_basic.rs:266:13
Aug 30 18:49:58.191 INFO kablam!     |
Aug 30 18:49:58.191 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Aug 30 18:49:58.191 INFO kablam!     |             ----^^^^
Aug 30 18:49:58.191 INFO kablam!     |             |
Aug 30 18:49:58.191 INFO kablam!     |             help: remove this `mut`
Aug 30 18:49:58.191 INFO kablam! 
Aug 30 18:49:58.200 INFO kablam! warning: variable does not need to be mutable
Aug 30 18:49:58.200 INFO kablam!    --> tests/test_basic.rs:323:13
Aug 30 18:49:58.200 INFO kablam!     |
Aug 30 18:49:58.200 INFO kablam! 323 |         let mut list = root.find_mut("list").unwrap();
Aug 30 18:49:58.200 INFO kablam!     |             ----^^^^
Aug 30 18:49:58.200 INFO kablam!     |             |
Aug 30 18:49:58.200 INFO kablam!     |             help: remove this `mut`
Aug 30 18:49:58.200 INFO kablam! 
Aug 30 18:49:58.224 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
Aug 30 18:49:58.231 INFO kablam! su: No module specific data is present
Aug 30 18:49:58.716 INFO running `"docker" "rm" "-f" "720fd10852102a56d0aa0b42e58e2c6e769965da8c685d575375c20c4df739be"`
Aug 30 18:49:58.812 INFO blam! 720fd10852102a56d0aa0b42e58e2c6e769965da8c685d575375c20c4df739be