Sep 14 17:08:54.334 INFO checking elementtree-0.4.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 17:08:54.334 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 17:08:54.334 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 17:08:54.699 INFO blam! a17414856a1c9af92ffb655679bc257c285edec9307e10db15bc0db0cdfa298e
Sep 14 17:08:54.699 INFO running `"docker" "start" "-a" "a17414856a1c9af92ffb655679bc257c285edec9307e10db15bc0db0cdfa298e"`
Sep 14 17:08:55.868 INFO kablam! usermod: no changes
Sep 14 17:08:55.983 INFO kablam!     Checking elementtree v0.4.0 (file:///source)
Sep 14 17:08:58.357 INFO kablam! warning: variable does not need to be mutable
Sep 14 17:08:58.357 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 14 17:08:58.357 INFO kablam!     |
Sep 14 17:08:58.357 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 14 17:08:58.357 INFO kablam!     |             ----^^^^
Sep 14 17:08:58.357 INFO kablam!     |             |
Sep 14 17:08:58.357 INFO kablam!     |             help: remove this `mut`
Sep 14 17:08:58.357 INFO kablam!     |
Sep 14 17:08:58.357 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 17:08:58.357 INFO kablam! 
Sep 14 17:08:58.364 INFO kablam! warning: variable does not need to be mutable
Sep 14 17:08:58.364 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 14 17:08:58.364 INFO kablam!     |
Sep 14 17:08:58.364 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 14 17:08:58.364 INFO kablam!     |             ----^^^^
Sep 14 17:08:58.364 INFO kablam!     |             |
Sep 14 17:08:58.364 INFO kablam!     |             help: remove this `mut`
Sep 14 17:08:58.364 INFO kablam! 
Sep 14 17:08:58.364 INFO kablam! warning: variable does not need to be mutable
Sep 14 17:08:58.364 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 14 17:08:58.364 INFO kablam!     |
Sep 14 17:08:58.364 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 14 17:08:58.364 INFO kablam!     |             ----^^^^
Sep 14 17:08:58.364 INFO kablam!     |             |
Sep 14 17:08:58.364 INFO kablam!     |             help: remove this `mut`
Sep 14 17:08:58.365 INFO kablam! 
Sep 14 17:08:58.369 INFO kablam! warning: variable does not need to be mutable
Sep 14 17:08:58.369 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 14 17:08:58.369 INFO kablam!     |
Sep 14 17:08:58.369 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 14 17:08:58.369 INFO kablam!     |             ----^^^^
Sep 14 17:08:58.369 INFO kablam!     |             |
Sep 14 17:08:58.369 INFO kablam!     |             help: remove this `mut`
Sep 14 17:08:58.369 INFO kablam! 
Sep 14 17:08:58.371 INFO kablam! warning: variable does not need to be mutable
Sep 14 17:08:58.371 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 14 17:08:58.371 INFO kablam!     |
Sep 14 17:08:58.371 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 14 17:08:58.371 INFO kablam!     |             ----^^^^
Sep 14 17:08:58.371 INFO kablam!     |             |
Sep 14 17:08:58.371 INFO kablam!     |             help: remove this `mut`
Sep 14 17:08:58.371 INFO kablam! 
Sep 14 17:08:58.438 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Sep 14 17:08:58.450 INFO kablam! su: No module specific data is present
Sep 14 17:08:59.326 INFO running `"docker" "rm" "-f" "a17414856a1c9af92ffb655679bc257c285edec9307e10db15bc0db0cdfa298e"`
Sep 14 17:08:59.543 INFO blam! a17414856a1c9af92ffb655679bc257c285edec9307e10db15bc0db0cdfa298e