Sep 04 21:41:45.773 INFO checking elementtree-0.4.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 21:41:45.773 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 21:41:45.774 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:41:46.010 INFO blam! d80b4426c386e5b29b11f84cde293312fb9f3f57231037ce2d4076b4f1560ba4
Sep 04 21:41:46.012 INFO running `"docker" "start" "-a" "d80b4426c386e5b29b11f84cde293312fb9f3f57231037ce2d4076b4f1560ba4"`
Sep 04 21:41:46.927 INFO kablam!     Checking elementtree v0.4.0 (file:///source)
Sep 04 21:41:51.662 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:51.662 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 04 21:41:51.662 INFO kablam!     |
Sep 04 21:41:51.662 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:51.662 INFO kablam!     |             ----^^^^
Sep 04 21:41:51.662 INFO kablam!     |             |
Sep 04 21:41:51.662 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:51.662 INFO kablam!     |
Sep 04 21:41:51.662 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 21:41:51.662 INFO kablam! 
Sep 04 21:41:51.675 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:51.675 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 04 21:41:51.675 INFO kablam!     |
Sep 04 21:41:51.675 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:51.675 INFO kablam!     |             ----^^^^
Sep 04 21:41:51.675 INFO kablam!     |             |
Sep 04 21:41:51.675 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:51.675 INFO kablam! 
Sep 04 21:41:51.679 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:51.679 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 04 21:41:51.679 INFO kablam!     |
Sep 04 21:41:51.679 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:51.679 INFO kablam!     |             ----^^^^
Sep 04 21:41:51.679 INFO kablam!     |             |
Sep 04 21:41:51.679 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:51.679 INFO kablam! 
Sep 04 21:41:51.683 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:51.683 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 04 21:41:51.683 INFO kablam!     |
Sep 04 21:41:51.683 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:51.683 INFO kablam!     |             ----^^^^
Sep 04 21:41:51.683 INFO kablam!     |             |
Sep 04 21:41:51.683 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:51.683 INFO kablam! 
Sep 04 21:41:51.687 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:51.687 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 04 21:41:51.687 INFO kablam!     |
Sep 04 21:41:51.687 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:51.688 INFO kablam!     |             ----^^^^
Sep 04 21:41:51.688 INFO kablam!     |             |
Sep 04 21:41:51.688 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:51.688 INFO kablam! 
Sep 04 21:41:51.724 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
Sep 04 21:41:51.731 INFO kablam! su: No module specific data is present
Sep 04 21:41:52.345 INFO running `"docker" "rm" "-f" "d80b4426c386e5b29b11f84cde293312fb9f3f57231037ce2d4076b4f1560ba4"`
Sep 04 21:41:52.490 INFO blam! d80b4426c386e5b29b11f84cde293312fb9f3f57231037ce2d4076b4f1560ba4