Sep 21 10:57:16.970 INFO checking elementtree-0.5.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394 Sep 21 10:57:16.970 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets Sep 21 10:57:16.970 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 21 10:57:17.220 INFO blam! 2806553109cc0284efb9dcc89428f1a97075e5995626ea3136601c3c0ce4491d Sep 21 10:57:17.222 INFO running `"docker" "start" "-a" "2806553109cc0284efb9dcc89428f1a97075e5995626ea3136601c3c0ce4491d"` Sep 21 10:57:18.349 INFO kablam! usermod: no changes Sep 21 10:57:18.521 INFO kablam! Checking elementtree v0.5.0 (/source) Sep 21 10:57:21.368 INFO kablam! warning: variable does not need to be mutable Sep 21 10:57:21.368 INFO kablam! --> tests/test_basic.rs:138:13 Sep 21 10:57:21.368 INFO kablam! | Sep 21 10:57:21.368 INFO kablam! 138 | let mut list = root.append_new_child("{demo}list"); Sep 21 10:57:21.368 INFO kablam! | ----^^^^ Sep 21 10:57:21.368 INFO kablam! | | Sep 21 10:57:21.368 INFO kablam! | help: remove this `mut` Sep 21 10:57:21.368 INFO kablam! | Sep 21 10:57:21.368 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 21 10:57:21.368 INFO kablam! Sep 21 10:57:21.374 INFO kablam! warning: variable does not need to be mutable Sep 21 10:57:21.374 INFO kablam! --> tests/test_basic.rs:183:13 Sep 21 10:57:21.374 INFO kablam! | Sep 21 10:57:21.374 INFO kablam! 183 | let mut list = root.append_new_child("{demo}list"); Sep 21 10:57:21.374 INFO kablam! | ----^^^^ Sep 21 10:57:21.374 INFO kablam! | | Sep 21 10:57:21.374 INFO kablam! | help: remove this `mut` Sep 21 10:57:21.374 INFO kablam! Sep 21 10:57:21.377 INFO kablam! warning: variable does not need to be mutable Sep 21 10:57:21.377 INFO kablam! --> tests/test_basic.rs:210:13 Sep 21 10:57:21.377 INFO kablam! | Sep 21 10:57:21.377 INFO kablam! 210 | let mut list = root.append_new_child("{demo}list"); Sep 21 10:57:21.377 INFO kablam! | ----^^^^ Sep 21 10:57:21.377 INFO kablam! | | Sep 21 10:57:21.377 INFO kablam! | help: remove this `mut` Sep 21 10:57:21.377 INFO kablam! Sep 21 10:57:21.377 INFO kablam! warning: variable does not need to be mutable Sep 21 10:57:21.377 INFO kablam! --> tests/test_basic.rs:238:13 Sep 21 10:57:21.377 INFO kablam! | Sep 21 10:57:21.377 INFO kablam! 238 | let mut list = root.append_new_child("{demo}list"); Sep 21 10:57:21.377 INFO kablam! | ----^^^^ Sep 21 10:57:21.377 INFO kablam! | | Sep 21 10:57:21.377 INFO kablam! | help: remove this `mut` Sep 21 10:57:21.377 INFO kablam! Sep 21 10:57:21.382 INFO kablam! warning: variable does not need to be mutable Sep 21 10:57:21.382 INFO kablam! --> tests/test_basic.rs:266:13 Sep 21 10:57:21.382 INFO kablam! | Sep 21 10:57:21.382 INFO kablam! 266 | let mut list = root.append_new_child("{demo}list"); Sep 21 10:57:21.382 INFO kablam! | ----^^^^ Sep 21 10:57:21.382 INFO kablam! | | Sep 21 10:57:21.382 INFO kablam! | help: remove this `mut` Sep 21 10:57:21.382 INFO kablam! Sep 21 10:57:21.390 INFO kablam! warning: variable does not need to be mutable Sep 21 10:57:21.390 INFO kablam! --> tests/test_basic.rs:323:13 Sep 21 10:57:21.390 INFO kablam! | Sep 21 10:57:21.390 INFO kablam! 323 | let mut list = root.find_mut("list").unwrap(); Sep 21 10:57:21.390 INFO kablam! | ----^^^^ Sep 21 10:57:21.390 INFO kablam! | | Sep 21 10:57:21.390 INFO kablam! | help: remove this `mut` Sep 21 10:57:21.390 INFO kablam! Sep 21 10:57:21.438 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.06s Sep 21 10:57:21.446 INFO kablam! su: No module specific data is present Sep 21 10:57:22.971 INFO running `"docker" "rm" "-f" "2806553109cc0284efb9dcc89428f1a97075e5995626ea3136601c3c0ce4491d"` Sep 21 10:57:23.084 INFO blam! 2806553109cc0284efb9dcc89428f1a97075e5995626ea3136601c3c0ce4491d