Sep 10 08:02:09.224 INFO checking teardown_tree-0.6.6 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 08:02:09.224 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 08:02:09.224 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 08:02:09.407 INFO blam! 9b2d11804aa560371f53808151fbd24e4e0332b5d25da9d9c85ab6a01ee52486
Sep 10 08:02:09.409 INFO running `"docker" "start" "-a" "9b2d11804aa560371f53808151fbd24e4e0332b5d25da9d9c85ab6a01ee52486"`
Sep 10 08:02:10.403 INFO kablam! usermod: no changes
Sep 10 08:02:10.480 INFO kablam!    Compiling winapi-build v0.1.1
Sep 10 08:02:10.480 INFO kablam!     Checking winapi v0.2.8
Sep 10 08:02:10.484 INFO kablam!     Checking libc v0.2.43
Sep 10 08:02:10.486 INFO kablam!     Checking cfg-if v0.1.5
Sep 10 08:02:10.486 INFO kablam!     Checking regex-syntax v0.3.9
Sep 10 08:02:10.486 INFO kablam!     Checking utf8-ranges v0.1.3
Sep 10 08:02:10.486 INFO kablam!    Compiling unicode-xid v0.0.3
Sep 10 08:02:10.487 INFO kablam!    Compiling quote v0.2.3
Sep 10 08:02:10.750 INFO kablam!     Checking log v0.4.5
Sep 10 08:02:11.223 INFO kablam!    Compiling kernel32-sys v0.2.2
Sep 10 08:02:11.533 INFO kablam!     Checking log v0.3.9
Sep 10 08:02:11.718 INFO kablam!    Compiling syn v0.8.7
Sep 10 08:02:12.770 INFO kablam!     Checking memchr v0.1.11
Sep 10 08:02:12.770 INFO kablam!     Checking rand v0.4.3
Sep 10 08:02:13.231 INFO kablam!     Checking aho-corasick v0.5.3
Sep 10 08:02:13.848 INFO kablam!     Checking thread-id v2.0.0
Sep 10 08:02:14.166 INFO kablam!     Checking thread_local v0.2.7
Sep 10 08:02:15.114 INFO kablam!     Checking rand v0.3.22
Sep 10 08:02:17.029 INFO kablam!    Compiling derive-new v0.4.0
Sep 10 08:02:19.323 INFO kablam!     Checking teardown_tree v0.6.6 (file:///source)
Sep 10 08:02:19.774 INFO kablam!     Checking regex v0.1.80
Sep 10 08:02:21.899 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 08:02:21.899 INFO kablam!   --> src/applied/interval_tree.rs:50:9
Sep 10 08:02:21.899 INFO kablam!    |
Sep 10 08:02:21.899 INFO kablam! 50 |         unsafe { self.repr.into_inner() }
Sep 10 08:02:21.899 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 10 08:02:21.906 INFO kablam!    |
Sep 10 08:02:21.906 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Sep 10 08:02:21.906 INFO kablam! 
Sep 10 08:02:21.907 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 08:02:21.907 INFO kablam!    --> src/applied/plain_tree.rs:113:9
Sep 10 08:02:21.907 INFO kablam!     |
Sep 10 08:02:21.907 INFO kablam! 113 |         unsafe { self.repr.into_inner() }
Sep 10 08:02:21.907 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 10 08:02:21.907 INFO kablam! 
Sep 10 08:02:21.910 INFO kablam! warning: function is never used: `right_enclosing`
Sep 10 08:02:21.910 INFO kablam!    --> src/base/base_repr.rs:693:1
Sep 10 08:02:21.910 INFO kablam!     |
Sep 10 08:02:21.910 INFO kablam! 693 | fn right_enclosing(idx: usize) -> usize {
Sep 10 08:02:21.910 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 08:02:21.911 INFO kablam!     |
Sep 10 08:02:21.911 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 08:02:21.911 INFO kablam! 
Sep 10 08:02:21.912 INFO kablam! warning: method is never used: `with_nodes`
Sep 10 08:02:21.912 INFO kablam!   --> src/applied/plain_tree.rs:93:5
Sep 10 08:02:21.912 INFO kablam!    |
Sep 10 08:02:21.912 INFO kablam! 93 |     pub fn with_nodes(nodes: Vec<Option<PlNode<K, V>>>) -> PlTree<K, V> {
Sep 10 08:02:21.912 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 08:02:21.912 INFO kablam! 
Sep 10 08:02:23.074 INFO kablam!     Checking env_logger v0.3.5
Sep 10 08:02:23.884 INFO kablam!     Checking quickcheck v0.4.1
Sep 10 08:02:27.274 INFO kablam! warning: variable does not need to be mutable
Sep 10 08:02:27.274 INFO kablam!    --> src/lib.rs:566:18
Sep 10 08:02:27.274 INFO kablam!     |
Sep 10 08:02:27.274 INFO kablam! 566 |             let (mut orig, mut tree) = (orig.internal_mut(), tree.internal_mut());
Sep 10 08:02:27.274 INFO kablam!     |                  ----^^^^
Sep 10 08:02:27.274 INFO kablam!     |                  |
Sep 10 08:02:27.274 INFO kablam!     |                  help: remove this `mut`
Sep 10 08:02:27.274 INFO kablam!     |
Sep 10 08:02:27.274 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 08:02:27.274 INFO kablam! 
Sep 10 08:02:27.658 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 08:02:27.658 INFO kablam!   --> src/applied/interval_tree.rs:50:9
Sep 10 08:02:27.658 INFO kablam!    |
Sep 10 08:02:27.658 INFO kablam! 50 |         unsafe { self.repr.into_inner() }
Sep 10 08:02:27.658 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 10 08:02:27.658 INFO kablam!    |
Sep 10 08:02:27.658 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Sep 10 08:02:27.658 INFO kablam! 
Sep 10 08:02:27.658 INFO kablam! warning: unnecessary `unsafe` block
Sep 10 08:02:27.658 INFO kablam!    --> src/applied/plain_tree.rs:113:9
Sep 10 08:02:27.658 INFO kablam!     |
Sep 10 08:02:27.658 INFO kablam! 113 |         unsafe { self.repr.into_inner() }
Sep 10 08:02:27.658 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 10 08:02:27.658 INFO kablam! 
Sep 10 08:02:27.661 INFO kablam! warning: function is never used: `right_enclosing`
Sep 10 08:02:27.661 INFO kablam!    --> src/base/base_repr.rs:693:1
Sep 10 08:02:27.661 INFO kablam!     |
Sep 10 08:02:27.661 INFO kablam! 693 | fn right_enclosing(idx: usize) -> usize {
Sep 10 08:02:27.661 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 08:02:27.661 INFO kablam!     |
Sep 10 08:02:27.666 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 08:02:27.666 INFO kablam! 
Sep 10 08:02:27.793 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.36s
Sep 10 08:02:27.793 INFO kablam! su: No module specific data is present
Sep 10 08:02:28.589 INFO running `"docker" "rm" "-f" "9b2d11804aa560371f53808151fbd24e4e0332b5d25da9d9c85ab6a01ee52486"`
Sep 10 08:02:28.705 INFO blam! 9b2d11804aa560371f53808151fbd24e4e0332b5d25da9d9c85ab6a01ee52486