Sep 01 05:27:47.447 INFO checking elementtree-0.5.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 05:27:47.447 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 05:27:47.447 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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=500" "-e" "CMD=cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 05:27:47.749 INFO blam! 79a106f84f620ebd332eab591de927df2af9997081e99af3107f218e97b88aa9
Sep 01 05:27:47.752 INFO running `"docker" "start" "-a" "79a106f84f620ebd332eab591de927df2af9997081e99af3107f218e97b88aa9"`
Sep 01 05:27:48.946 INFO kablam!     Checking elementtree v0.5.0 (file:///source)
Sep 01 05:27:52.498 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:52.498 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 01 05:27:52.498 INFO kablam!     |
Sep 01 05:27:52.498 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:52.498 INFO kablam!     |             ----^^^^
Sep 01 05:27:52.498 INFO kablam!     |             |
Sep 01 05:27:52.498 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:52.499 INFO kablam!     |
Sep 01 05:27:52.499 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 05:27:52.499 INFO kablam! 
Sep 01 05:27:52.506 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:52.506 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 01 05:27:52.506 INFO kablam!     |
Sep 01 05:27:52.507 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:52.507 INFO kablam!     |             ----^^^^
Sep 01 05:27:52.507 INFO kablam!     |             |
Sep 01 05:27:52.507 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:52.507 INFO kablam! 
Sep 01 05:27:52.509 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:52.509 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 01 05:27:52.509 INFO kablam!     |
Sep 01 05:27:52.509 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:52.509 INFO kablam!     |             ----^^^^
Sep 01 05:27:52.509 INFO kablam!     |             |
Sep 01 05:27:52.510 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:52.510 INFO kablam! 
Sep 01 05:27:52.512 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:52.512 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 01 05:27:52.512 INFO kablam!     |
Sep 01 05:27:52.512 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:52.512 INFO kablam!     |             ----^^^^
Sep 01 05:27:52.512 INFO kablam!     |             |
Sep 01 05:27:52.512 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:52.512 INFO kablam! 
Sep 01 05:27:52.515 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:52.515 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 01 05:27:52.515 INFO kablam!     |
Sep 01 05:27:52.515 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 01 05:27:52.515 INFO kablam!     |             ----^^^^
Sep 01 05:27:52.515 INFO kablam!     |             |
Sep 01 05:27:52.515 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:52.515 INFO kablam! 
Sep 01 05:27:52.524 INFO kablam! warning: variable does not need to be mutable
Sep 01 05:27:52.524 INFO kablam!    --> tests/test_basic.rs:323:13
Sep 01 05:27:52.524 INFO kablam!     |
Sep 01 05:27:52.524 INFO kablam! 323 |         let mut list = root.find_mut("list").unwrap();
Sep 01 05:27:52.524 INFO kablam!     |             ----^^^^
Sep 01 05:27:52.524 INFO kablam!     |             |
Sep 01 05:27:52.524 INFO kablam!     |             help: remove this `mut`
Sep 01 05:27:52.524 INFO kablam! 
Sep 01 05:27:52.544 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
Sep 01 05:27:52.549 INFO kablam! su: No module specific data is present
Sep 01 05:27:53.085 INFO running `"docker" "rm" "-f" "79a106f84f620ebd332eab591de927df2af9997081e99af3107f218e97b88aa9"`
Sep 01 05:27:53.181 INFO blam! 79a106f84f620ebd332eab591de927df2af9997081e99af3107f218e97b88aa9