Dec 12 15:31:10.617 INFO checking elementtree-0.5.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:31:10.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 15:31:10.940 INFO [stdout] 5914351695f342d4a0014cacfc9f472a0607e5891a7aba0add63bc746be38594
Dec 12 15:31:10.943 INFO running `"docker" "start" "-a" "5914351695f342d4a0014cacfc9f472a0607e5891a7aba0add63bc746be38594"`
Dec 12 15:31:11.676 INFO [stderr] usermod: no changes
Dec 12 15:31:11.772 INFO [stderr]     Checking elementtree v0.5.0 (/source)
Dec 12 15:31:15.882 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:31:15.882 INFO [stderr]    --> tests/test_basic.rs:138:13
Dec 12 15:31:15.882 INFO [stderr]     |
Dec 12 15:31:15.882 INFO [stderr] 138 |         let mut list = root.append_new_child("{demo}list");
Dec 12 15:31:15.882 INFO [stderr]     |             ----^^^^
Dec 12 15:31:15.882 INFO [stderr]     |             |
Dec 12 15:31:15.882 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:31:15.882 INFO [stderr]     |
Dec 12 15:31:15.882 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 15:31:15.882 INFO [stderr] 
Dec 12 15:31:15.896 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:31:15.896 INFO [stderr]    --> tests/test_basic.rs:183:13
Dec 12 15:31:15.896 INFO [stderr]     |
Dec 12 15:31:15.896 INFO [stderr] 183 |         let mut list = root.append_new_child("{demo}list");
Dec 12 15:31:15.896 INFO [stderr]     |             ----^^^^
Dec 12 15:31:15.896 INFO [stderr]     |             |
Dec 12 15:31:15.896 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:31:15.896 INFO [stderr] 
Dec 12 15:31:15.898 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:31:15.898 INFO [stderr]    --> tests/test_basic.rs:210:13
Dec 12 15:31:15.898 INFO [stderr]     |
Dec 12 15:31:15.898 INFO [stderr] 210 |         let mut list = root.append_new_child("{demo}list");
Dec 12 15:31:15.898 INFO [stderr]     |             ----^^^^
Dec 12 15:31:15.898 INFO [stderr]     |             |
Dec 12 15:31:15.898 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:31:15.898 INFO [stderr] 
Dec 12 15:31:15.900 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:31:15.900 INFO [stderr]    --> tests/test_basic.rs:238:13
Dec 12 15:31:15.900 INFO [stderr]     |
Dec 12 15:31:15.900 INFO [stderr] 238 |         let mut list = root.append_new_child("{demo}list");
Dec 12 15:31:15.901 INFO [stderr]     |             ----^^^^
Dec 12 15:31:15.901 INFO [stderr]     |             |
Dec 12 15:31:15.901 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:31:15.901 INFO [stderr] 
Dec 12 15:31:15.904 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:31:15.904 INFO [stderr]    --> tests/test_basic.rs:266:13
Dec 12 15:31:15.904 INFO [stderr]     |
Dec 12 15:31:15.904 INFO [stderr] 266 |         let mut list = root.append_new_child("{demo}list");
Dec 12 15:31:15.904 INFO [stderr]     |             ----^^^^
Dec 12 15:31:15.904 INFO [stderr]     |             |
Dec 12 15:31:15.904 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:31:15.904 INFO [stderr] 
Dec 12 15:31:15.912 INFO [stderr] warning: variable does not need to be mutable
Dec 12 15:31:15.912 INFO [stderr]    --> tests/test_basic.rs:323:13
Dec 12 15:31:15.912 INFO [stderr]     |
Dec 12 15:31:15.912 INFO [stderr] 323 |         let mut list = root.find_mut("list").unwrap();
Dec 12 15:31:15.912 INFO [stderr]     |             ----^^^^
Dec 12 15:31:15.912 INFO [stderr]     |             |
Dec 12 15:31:15.912 INFO [stderr]     |             help: remove this `mut`
Dec 12 15:31:15.912 INFO [stderr] 
Dec 12 15:31:15.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
Dec 12 15:31:15.997 INFO [stderr] su: No module specific data is present
Dec 12 15:31:17.076 INFO running `"docker" "inspect" "5914351695f342d4a0014cacfc9f472a0607e5891a7aba0add63bc746be38594"`
Dec 12 15:31:17.409 INFO running `"docker" "rm" "-f" "5914351695f342d4a0014cacfc9f472a0607e5891a7aba0add63bc746be38594"`
Dec 12 15:31:17.756 INFO [stdout] 5914351695f342d4a0014cacfc9f472a0607e5891a7aba0add63bc746be38594