Aug 11 15:32:26.631 INFO checking elementtree-0.4.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 15:32:26.631 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 15:32:26.631 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 15:32:26.631 INFO running `"docker" "create" "-v" "/tmp/crater.3HKPcnC2gSHj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 15:32:26.951 INFO blam! dc20f5743ef383182b7eaa18ea691aaab955a5a8cc4d0343bd1894bf61a6aeb5
Aug 11 15:32:26.954 INFO running `"docker" "start" "-a" "dc20f5743ef383182b7eaa18ea691aaab955a5a8cc4d0343bd1894bf61a6aeb5"`
Aug 11 15:32:28.236 INFO kablam!     Checking string_cache v0.7.3
Aug 11 15:32:29.531 INFO kablam!     Checking elementtree v0.4.0 (file:///source)
Aug 11 15:32:34.271 INFO kablam! warning: variable does not need to be mutable
Aug 11 15:32:34.271 INFO kablam!    --> tests/test_basic.rs:138:13
Aug 11 15:32:34.271 INFO kablam!     |
Aug 11 15:32:34.271 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Aug 11 15:32:34.271 INFO kablam!     |             ----^^^^
Aug 11 15:32:34.271 INFO kablam!     |             |
Aug 11 15:32:34.271 INFO kablam!     |             help: remove this `mut`
Aug 11 15:32:34.271 INFO kablam!     |
Aug 11 15:32:34.271 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 11 15:32:34.271 INFO kablam! 
Aug 11 15:32:34.283 INFO kablam! warning: variable does not need to be mutable
Aug 11 15:32:34.283 INFO kablam!    --> tests/test_basic.rs:183:13
Aug 11 15:32:34.283 INFO kablam!     |
Aug 11 15:32:34.283 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Aug 11 15:32:34.283 INFO kablam!     |             ----^^^^
Aug 11 15:32:34.283 INFO kablam!     |             |
Aug 11 15:32:34.283 INFO kablam!     |             help: remove this `mut`
Aug 11 15:32:34.283 INFO kablam! 
Aug 11 15:32:34.287 INFO kablam! warning: variable does not need to be mutable
Aug 11 15:32:34.287 INFO kablam!    --> tests/test_basic.rs:210:13
Aug 11 15:32:34.287 INFO kablam!     |
Aug 11 15:32:34.287 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Aug 11 15:32:34.287 INFO kablam!     |             ----^^^^
Aug 11 15:32:34.287 INFO kablam!     |             |
Aug 11 15:32:34.287 INFO kablam!     |             help: remove this `mut`
Aug 11 15:32:34.287 INFO kablam! 
Aug 11 15:32:34.291 INFO kablam! warning: variable does not need to be mutable
Aug 11 15:32:34.291 INFO kablam!    --> tests/test_basic.rs:238:13
Aug 11 15:32:34.292 INFO kablam!     |
Aug 11 15:32:34.292 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Aug 11 15:32:34.292 INFO kablam!     |             ----^^^^
Aug 11 15:32:34.292 INFO kablam!     |             |
Aug 11 15:32:34.292 INFO kablam!     |             help: remove this `mut`
Aug 11 15:32:34.292 INFO kablam! 
Aug 11 15:32:34.297 INFO kablam! warning: variable does not need to be mutable
Aug 11 15:32:34.297 INFO kablam!    --> tests/test_basic.rs:266:13
Aug 11 15:32:34.297 INFO kablam!     |
Aug 11 15:32:34.297 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Aug 11 15:32:34.297 INFO kablam!     |             ----^^^^
Aug 11 15:32:34.297 INFO kablam!     |             |
Aug 11 15:32:34.297 INFO kablam!     |             help: remove this `mut`
Aug 11 15:32:34.297 INFO kablam! 
Aug 11 15:32:34.344 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
Aug 11 15:32:34.357 INFO kablam! su: No module specific data is present
Aug 11 15:32:35.195 INFO running `"docker" "rm" "-f" "dc20f5743ef383182b7eaa18ea691aaab955a5a8cc4d0343bd1894bf61a6aeb5"`
Aug 11 15:32:35.380 INFO blam! dc20f5743ef383182b7eaa18ea691aaab955a5a8cc4d0343bd1894bf61a6aeb5