Nov 29 02:04:28.164 INFO checking elementtree-0.5.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 02:04:28.165 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 29 02:04:28.700 INFO [stdout] 499625dde17fefc56f00519ccb0af024e6b64a948b63187d163c833c395887ee
Nov 29 02:04:28.708 INFO running `"docker" "start" "-a" "499625dde17fefc56f00519ccb0af024e6b64a948b63187d163c833c395887ee"`
Nov 29 02:04:29.770 INFO [stderr] usermod: no changes
Nov 29 02:04:29.891 INFO [stderr]     Checking elementtree v0.5.0 (/source)
Nov 29 02:04:35.098 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:04:35.098 INFO [stderr]    --> tests/test_basic.rs:138:13
Nov 29 02:04:35.098 INFO [stderr]     |
Nov 29 02:04:35.098 INFO [stderr] 138 |         let mut list = root.append_new_child("{demo}list");
Nov 29 02:04:35.098 INFO [stderr]     |             ----^^^^
Nov 29 02:04:35.098 INFO [stderr]     |             |
Nov 29 02:04:35.098 INFO [stderr]     |             help: remove this `mut`
Nov 29 02:04:35.098 INFO [stderr]     |
Nov 29 02:04:35.098 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 02:04:35.098 INFO [stderr] 
Nov 29 02:04:35.112 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:04:35.112 INFO [stderr]    --> tests/test_basic.rs:183:13
Nov 29 02:04:35.112 INFO [stderr]     |
Nov 29 02:04:35.112 INFO [stderr] 183 |         let mut list = root.append_new_child("{demo}list");
Nov 29 02:04:35.112 INFO [stderr]     |             ----^^^^
Nov 29 02:04:35.112 INFO [stderr]     |             |
Nov 29 02:04:35.112 INFO [stderr]     |             help: remove this `mut`
Nov 29 02:04:35.112 INFO [stderr] 
Nov 29 02:04:35.119 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:04:35.119 INFO [stderr]    --> tests/test_basic.rs:210:13
Nov 29 02:04:35.119 INFO [stderr]     |
Nov 29 02:04:35.119 INFO [stderr] 210 |         let mut list = root.append_new_child("{demo}list");
Nov 29 02:04:35.119 INFO [stderr]     |             ----^^^^
Nov 29 02:04:35.119 INFO [stderr]     |             |
Nov 29 02:04:35.119 INFO [stderr]     |             help: remove this `mut`
Nov 29 02:04:35.119 INFO [stderr] 
Nov 29 02:04:35.128 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:04:35.128 INFO [stderr]    --> tests/test_basic.rs:238:13
Nov 29 02:04:35.129 INFO [stderr]     |
Nov 29 02:04:35.129 INFO [stderr] 238 |         let mut list = root.append_new_child("{demo}list");
Nov 29 02:04:35.129 INFO [stderr]     |             ----^^^^
Nov 29 02:04:35.129 INFO [stderr]     |             |
Nov 29 02:04:35.129 INFO [stderr]     |             help: remove this `mut`
Nov 29 02:04:35.129 INFO [stderr] 
Nov 29 02:04:35.129 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:04:35.129 INFO [stderr]    --> tests/test_basic.rs:266:13
Nov 29 02:04:35.129 INFO [stderr]     |
Nov 29 02:04:35.129 INFO [stderr] 266 |         let mut list = root.append_new_child("{demo}list");
Nov 29 02:04:35.129 INFO [stderr]     |             ----^^^^
Nov 29 02:04:35.129 INFO [stderr]     |             |
Nov 29 02:04:35.129 INFO [stderr]     |             help: remove this `mut`
Nov 29 02:04:35.129 INFO [stderr] 
Nov 29 02:04:35.144 INFO [stderr] warning: variable does not need to be mutable
Nov 29 02:04:35.144 INFO [stderr]    --> tests/test_basic.rs:323:13
Nov 29 02:04:35.144 INFO [stderr]     |
Nov 29 02:04:35.144 INFO [stderr] 323 |         let mut list = root.find_mut("list").unwrap();
Nov 29 02:04:35.144 INFO [stderr]     |             ----^^^^
Nov 29 02:04:35.144 INFO [stderr]     |             |
Nov 29 02:04:35.144 INFO [stderr]     |             help: remove this `mut`
Nov 29 02:04:35.144 INFO [stderr] 
Nov 29 02:04:35.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
Nov 29 02:04:35.188 INFO [stderr] su: No module specific data is present
Nov 29 02:04:35.864 INFO running `"docker" "inspect" "499625dde17fefc56f00519ccb0af024e6b64a948b63187d163c833c395887ee"`
Nov 29 02:04:36.156 INFO running `"docker" "rm" "-f" "499625dde17fefc56f00519ccb0af024e6b64a948b63187d163c833c395887ee"`
Nov 29 02:04:36.596 INFO [stdout] 499625dde17fefc56f00519ccb0af024e6b64a948b63187d163c833c395887ee