Sep 21 10:57:18.149 INFO checking elementtree-0.4.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:57:18.149 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:57:18.149 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:57:18.390 INFO blam! 2adcf6fd9e34df4cb339c4cba3d2ada851fd4dae439b30db021542faab56c6cc
Sep 21 10:57:18.392 INFO running `"docker" "start" "-a" "2adcf6fd9e34df4cb339c4cba3d2ada851fd4dae439b30db021542faab56c6cc"`
Sep 21 10:57:19.705 INFO kablam! usermod: no changes
Sep 21 10:57:19.878 INFO kablam!     Checking elementtree v0.4.0 (/source)
Sep 21 10:57:22.570 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:57:22.570 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 21 10:57:22.570 INFO kablam!     |
Sep 21 10:57:22.570 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 21 10:57:22.570 INFO kablam!     |             ----^^^^
Sep 21 10:57:22.570 INFO kablam!     |             |
Sep 21 10:57:22.570 INFO kablam!     |             help: remove this `mut`
Sep 21 10:57:22.570 INFO kablam!     |
Sep 21 10:57:22.570 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:57:22.570 INFO kablam! 
Sep 21 10:57:22.573 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:57:22.573 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 21 10:57:22.573 INFO kablam!     |
Sep 21 10:57:22.573 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 21 10:57:22.573 INFO kablam!     |             ----^^^^
Sep 21 10:57:22.573 INFO kablam!     |             |
Sep 21 10:57:22.573 INFO kablam!     |             help: remove this `mut`
Sep 21 10:57:22.574 INFO kablam! 
Sep 21 10:57:22.574 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:57:22.574 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 21 10:57:22.574 INFO kablam!     |
Sep 21 10:57:22.574 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 21 10:57:22.574 INFO kablam!     |             ----^^^^
Sep 21 10:57:22.574 INFO kablam!     |             |
Sep 21 10:57:22.575 INFO kablam!     |             help: remove this `mut`
Sep 21 10:57:22.575 INFO kablam! 
Sep 21 10:57:22.577 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:57:22.577 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 21 10:57:22.577 INFO kablam!     |
Sep 21 10:57:22.578 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 21 10:57:22.578 INFO kablam!     |             ----^^^^
Sep 21 10:57:22.578 INFO kablam!     |             |
Sep 21 10:57:22.578 INFO kablam!     |             help: remove this `mut`
Sep 21 10:57:22.578 INFO kablam! 
Sep 21 10:57:22.579 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:57:22.579 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 21 10:57:22.579 INFO kablam!     |
Sep 21 10:57:22.579 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 21 10:57:22.579 INFO kablam!     |             ----^^^^
Sep 21 10:57:22.579 INFO kablam!     |             |
Sep 21 10:57:22.579 INFO kablam!     |             help: remove this `mut`
Sep 21 10:57:22.579 INFO kablam! 
Sep 21 10:57:22.647 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
Sep 21 10:57:22.651 INFO kablam! su: No module specific data is present
Sep 21 10:57:23.417 INFO running `"docker" "rm" "-f" "2adcf6fd9e34df4cb339c4cba3d2ada851fd4dae439b30db021542faab56c6cc"`
Sep 21 10:57:23.522 INFO blam! 2adcf6fd9e34df4cb339c4cba3d2ada851fd4dae439b30db021542faab56c6cc