Oct 13 15:44:22.491 INFO checking elementtree-0.5.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:44:22.491 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 15:44:22.816 INFO blam! 1416aae6174d19252da3664daa6131b21799a67b1677a799f860e8e2280dfa2a
Oct 13 15:44:22.817 INFO running `"docker" "start" "-a" "1416aae6174d19252da3664daa6131b21799a67b1677a799f860e8e2280dfa2a"`
Oct 13 15:44:23.250 INFO kablam! usermod: no changes
Oct 13 15:44:23.346 INFO kablam!     Checking elementtree v0.5.0 (/source)
Oct 13 15:44:27.736 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:44:27.736 INFO kablam!    --> tests/test_basic.rs:138:13
Oct 13 15:44:27.736 INFO kablam!     |
Oct 13 15:44:27.736 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Oct 13 15:44:27.736 INFO kablam!     |             ----^^^^
Oct 13 15:44:27.736 INFO kablam!     |             |
Oct 13 15:44:27.736 INFO kablam!     |             help: remove this `mut`
Oct 13 15:44:27.736 INFO kablam!     |
Oct 13 15:44:27.736 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 15:44:27.737 INFO kablam! 
Oct 13 15:44:27.746 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:44:27.746 INFO kablam!    --> tests/test_basic.rs:183:13
Oct 13 15:44:27.746 INFO kablam!     |
Oct 13 15:44:27.746 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Oct 13 15:44:27.746 INFO kablam!     |             ----^^^^
Oct 13 15:44:27.746 INFO kablam!     |             |
Oct 13 15:44:27.746 INFO kablam!     |             help: remove this `mut`
Oct 13 15:44:27.746 INFO kablam! 
Oct 13 15:44:27.748 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:44:27.748 INFO kablam!    --> tests/test_basic.rs:210:13
Oct 13 15:44:27.748 INFO kablam!     |
Oct 13 15:44:27.748 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Oct 13 15:44:27.749 INFO kablam!     |             ----^^^^
Oct 13 15:44:27.749 INFO kablam!     |             |
Oct 13 15:44:27.749 INFO kablam!     |             help: remove this `mut`
Oct 13 15:44:27.749 INFO kablam! 
Oct 13 15:44:27.752 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:44:27.752 INFO kablam!    --> tests/test_basic.rs:238:13
Oct 13 15:44:27.753 INFO kablam!     |
Oct 13 15:44:27.753 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Oct 13 15:44:27.753 INFO kablam!     |             ----^^^^
Oct 13 15:44:27.754 INFO kablam!     |             |
Oct 13 15:44:27.754 INFO kablam!     |             help: remove this `mut`
Oct 13 15:44:27.754 INFO kablam! 
Oct 13 15:44:27.757 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:44:27.758 INFO kablam!    --> tests/test_basic.rs:266:13
Oct 13 15:44:27.758 INFO kablam!     |
Oct 13 15:44:27.758 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Oct 13 15:44:27.758 INFO kablam!     |             ----^^^^
Oct 13 15:44:27.759 INFO kablam!     |             |
Oct 13 15:44:27.759 INFO kablam!     |             help: remove this `mut`
Oct 13 15:44:27.759 INFO kablam! 
Oct 13 15:44:27.766 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:44:27.767 INFO kablam!    --> tests/test_basic.rs:323:13
Oct 13 15:44:27.767 INFO kablam!     |
Oct 13 15:44:27.767 INFO kablam! 323 |         let mut list = root.find_mut("list").unwrap();
Oct 13 15:44:27.767 INFO kablam!     |             ----^^^^
Oct 13 15:44:27.768 INFO kablam!     |             |
Oct 13 15:44:27.768 INFO kablam!     |             help: remove this `mut`
Oct 13 15:44:27.768 INFO kablam! 
Oct 13 15:44:27.828 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
Oct 13 15:44:27.836 INFO kablam! su: No module specific data is present
Oct 13 15:44:29.012 INFO running `"docker" "rm" "-f" "1416aae6174d19252da3664daa6131b21799a67b1677a799f860e8e2280dfa2a"`
Oct 13 15:44:29.280 INFO blam! 1416aae6174d19252da3664daa6131b21799a67b1677a799f860e8e2280dfa2a