Sep 01 05:27:51.464 INFO checking elementtree-0.4.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 05:27:51.465 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 05:27:51.465 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 05:27:51.657 INFO blam! e032c81b6a1644071d889af54f2894ffefe2cf2d7d2c29dcab20fe6183012c62
Sep 01 05:27:51.660 INFO running `"docker" "start" "-a" "e032c81b6a1644071d889af54f2894ffefe2cf2d7d2c29dcab20fe6183012c62"`
Sep 01 05:27:52.384 INFO kablam!     Checking elementtree v0.4.0 (file:///source)
Sep 01 05:27:55.533 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:55.533 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 01 05:27:55.533 INFO kablam!     |
Sep 01 05:27:55.533 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:55.533 INFO kablam!     |             ----^^^^
Sep 01 05:27:55.533 INFO kablam!     |             |
Sep 01 05:27:55.533 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:55.533 INFO kablam!     |
Sep 01 05:27:55.533 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 05:27:55.533 INFO kablam! 
Sep 01 05:27:55.541 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:55.541 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 01 05:27:55.541 INFO kablam!     |
Sep 01 05:27:55.541 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:55.541 INFO kablam!     |             ----^^^^
Sep 01 05:27:55.541 INFO kablam!     |             |
Sep 01 05:27:55.541 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:55.541 INFO kablam! 
Sep 01 05:27:55.546 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:55.546 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 01 05:27:55.546 INFO kablam!     |
Sep 01 05:27:55.546 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:55.546 INFO kablam!     |             ----^^^^
Sep 01 05:27:55.546 INFO kablam!     |             |
Sep 01 05:27:55.546 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:55.546 INFO kablam! 
Sep 01 05:27:55.550 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:55.550 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 01 05:27:55.550 INFO kablam!     |
Sep 01 05:27:55.550 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:55.550 INFO kablam!     |             ----^^^^
Sep 01 05:27:55.550 INFO kablam!     |             |
Sep 01 05:27:55.550 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:55.550 INFO kablam! 
Sep 01 05:27:55.553 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:55.553 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 01 05:27:55.553 INFO kablam!     |
Sep 01 05:27:55.553 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:55.553 INFO kablam!     |             ----^^^^
Sep 01 05:27:55.553 INFO kablam!     |             |
Sep 01 05:27:55.553 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:55.553 INFO kablam! 
Sep 01 05:27:55.578 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Sep 01 05:27:55.584 INFO kablam! su: No module specific data is present
Sep 01 05:27:56.065 INFO running `"docker" "rm" "-f" "e032c81b6a1644071d889af54f2894ffefe2cf2d7d2c29dcab20fe6183012c62"`
Sep 01 05:27:56.175 INFO blam! e032c81b6a1644071d889af54f2894ffefe2cf2d7d2c29dcab20fe6183012c62