Sep 04 21:41:39.098 INFO checking elementtree-0.5.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 21:41:39.098 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 21:41:39.098 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:41:39.296 INFO blam! 79562a00ad013a374d74fd6160e05c2f7f1333553133a283684057c30c18532e
Sep 04 21:41:39.297 INFO running `"docker" "start" "-a" "79562a00ad013a374d74fd6160e05c2f7f1333553133a283684057c30c18532e"`
Sep 04 21:41:40.077 INFO kablam!     Checking elementtree v0.5.0 (file:///source)
Sep 04 21:41:44.890 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:44.890 INFO kablam!    --> tests/test_basic.rs:138:13
Sep 04 21:41:44.890 INFO kablam!     |
Sep 04 21:41:44.890 INFO kablam! 138 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:44.890 INFO kablam!     |             ----^^^^
Sep 04 21:41:44.890 INFO kablam!     |             |
Sep 04 21:41:44.890 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:44.890 INFO kablam!     |
Sep 04 21:41:44.890 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 21:41:44.890 INFO kablam! 
Sep 04 21:41:44.905 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:44.905 INFO kablam!    --> tests/test_basic.rs:183:13
Sep 04 21:41:44.905 INFO kablam!     |
Sep 04 21:41:44.906 INFO kablam! 183 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:44.906 INFO kablam!     |             ----^^^^
Sep 04 21:41:44.906 INFO kablam!     |             |
Sep 04 21:41:44.906 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:44.906 INFO kablam! 
Sep 04 21:41:44.909 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:44.909 INFO kablam!    --> tests/test_basic.rs:210:13
Sep 04 21:41:44.909 INFO kablam!     |
Sep 04 21:41:44.909 INFO kablam! 210 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:44.909 INFO kablam!     |             ----^^^^
Sep 04 21:41:44.909 INFO kablam!     |             |
Sep 04 21:41:44.909 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:44.910 INFO kablam! 
Sep 04 21:41:44.913 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:44.913 INFO kablam!    --> tests/test_basic.rs:238:13
Sep 04 21:41:44.913 INFO kablam!     |
Sep 04 21:41:44.913 INFO kablam! 238 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:44.913 INFO kablam!     |             ----^^^^
Sep 04 21:41:44.913 INFO kablam!     |             |
Sep 04 21:41:44.913 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:44.913 INFO kablam! 
Sep 04 21:41:44.918 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:44.918 INFO kablam!    --> tests/test_basic.rs:266:13
Sep 04 21:41:44.918 INFO kablam!     |
Sep 04 21:41:44.918 INFO kablam! 266 |         let mut list = root.append_new_child("{demo}list");
Sep 04 21:41:44.918 INFO kablam!     |             ----^^^^
Sep 04 21:41:44.918 INFO kablam!     |             |
Sep 04 21:41:44.918 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:44.918 INFO kablam! 
Sep 04 21:41:44.931 INFO kablam! warning: variable does not need to be mutable
Sep 04 21:41:44.931 INFO kablam!    --> tests/test_basic.rs:323:13
Sep 04 21:41:44.931 INFO kablam!     |
Sep 04 21:41:44.931 INFO kablam! 323 |         let mut list = root.find_mut("list").unwrap();
Sep 04 21:41:44.931 INFO kablam!     |             ----^^^^
Sep 04 21:41:44.931 INFO kablam!     |             |
Sep 04 21:41:44.931 INFO kablam!     |             help: remove this `mut`
Sep 04 21:41:44.936 INFO kablam! 
Sep 04 21:41:44.977 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
Sep 04 21:41:44.987 INFO kablam! su: No module specific data is present
Sep 04 21:41:45.553 INFO running `"docker" "rm" "-f" "79562a00ad013a374d74fd6160e05c2f7f1333553133a283684057c30c18532e"`
Sep 04 21:41:45.730 INFO blam! 79562a00ad013a374d74fd6160e05c2f7f1333553133a283684057c30c18532e