Sep 20 04:05:13.711 INFO checking elementtree-0.4.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 04:05:13.711 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 04:05:13.711 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:05:13.851 INFO blam! 5dcd07297bdfa418d02e9582b6fa19d7ecbdae3aacb9b11590950b40fb0e6207
Sep 20 04:05:13.852 INFO running `"docker" "start" "-a" "5dcd07297bdfa418d02e9582b6fa19d7ecbdae3aacb9b11590950b40fb0e6207"`
Sep 20 04:05:14.599 INFO kablam! usermod: no changes
Sep 20 04:05:14.677 INFO kablam!     Checking string_cache v0.7.3
Sep 20 04:05:15.145 INFO kablam!     Checking elementtree v0.4.0 (/source)
Sep 20 04:05:17.101 INFO kablam! warning: variable does not need to be mutable
Sep 20 04:05:17.101 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 20 04:05:17.101 INFO kablam!     |
Sep 20 04:05:17.101 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 20 04:05:17.102 INFO kablam!     |             ----^^^^
Sep 20 04:05:17.102 INFO kablam!     |             |
Sep 20 04:05:17.102 INFO kablam!     |             help: remove this `mut`
Sep 20 04:05:17.102 INFO kablam!     |
Sep 20 04:05:17.102 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 04:05:17.102 INFO kablam! 
Sep 20 04:05:17.120 INFO kablam! warning: variable does not need to be mutable
Sep 20 04:05:17.120 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 20 04:05:17.120 INFO kablam!     |
Sep 20 04:05:17.120 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 20 04:05:17.120 INFO kablam!     |             ----^^^^
Sep 20 04:05:17.120 INFO kablam!     |             |
Sep 20 04:05:17.120 INFO kablam!     |             help: remove this `mut`
Sep 20 04:05:17.120 INFO kablam! 
Sep 20 04:05:17.120 INFO kablam! warning: variable does not need to be mutable
Sep 20 04:05:17.120 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 20 04:05:17.120 INFO kablam!     |
Sep 20 04:05:17.120 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 20 04:05:17.120 INFO kablam!     |             ----^^^^
Sep 20 04:05:17.120 INFO kablam!     |             |
Sep 20 04:05:17.120 INFO kablam!     |             help: remove this `mut`
Sep 20 04:05:17.120 INFO kablam! 
Sep 20 04:05:17.120 INFO kablam! warning: variable does not need to be mutable
Sep 20 04:05:17.120 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 20 04:05:17.120 INFO kablam!     |
Sep 20 04:05:17.120 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 20 04:05:17.120 INFO kablam!     |             ----^^^^
Sep 20 04:05:17.121 INFO kablam!     |             |
Sep 20 04:05:17.121 INFO kablam!     |             help: remove this `mut`
Sep 20 04:05:17.121 INFO kablam! 
Sep 20 04:05:17.121 INFO kablam! warning: variable does not need to be mutable
Sep 20 04:05:17.121 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 20 04:05:17.121 INFO kablam!     |
Sep 20 04:05:17.121 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 20 04:05:17.121 INFO kablam!     |             ----^^^^
Sep 20 04:05:17.121 INFO kablam!     |             |
Sep 20 04:05:17.121 INFO kablam!     |             help: remove this `mut`
Sep 20 04:05:17.121 INFO kablam! 
Sep 20 04:05:17.162 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Sep 20 04:05:17.168 INFO kablam! su: No module specific data is present
Sep 20 04:05:17.703 INFO running `"docker" "rm" "-f" "5dcd07297bdfa418d02e9582b6fa19d7ecbdae3aacb9b11590950b40fb0e6207"`
Sep 20 04:05:17.815 INFO blam! 5dcd07297bdfa418d02e9582b6fa19d7ecbdae3aacb9b11590950b40fb0e6207