Sep 14 07:54:38.701 INFO checking teardown_tree-0.6.6 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 07:54:38.701 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 07:54:38.701 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 07:54:38.816 INFO blam! 211e308b4e1d5219be259a558f46f21ad38fd7b91cdf355099fd6045dfcc708f
Sep 14 07:54:38.817 INFO running `"docker" "start" "-a" "211e308b4e1d5219be259a558f46f21ad38fd7b91cdf355099fd6045dfcc708f"`
Sep 14 07:54:39.365 INFO kablam! usermod: no changes
Sep 14 07:54:39.423 INFO kablam!    Compiling winapi-build v0.1.1
Sep 14 07:54:39.423 INFO kablam!     Checking winapi v0.2.8
Sep 14 07:54:39.423 INFO kablam!     Checking libc v0.2.43
Sep 14 07:54:39.423 INFO kablam!     Checking cfg-if v0.1.5
Sep 14 07:54:39.423 INFO kablam!     Checking regex-syntax v0.3.9
Sep 14 07:54:39.423 INFO kablam!     Checking utf8-ranges v0.1.3
Sep 14 07:54:39.424 INFO kablam!    Compiling unicode-xid v0.0.3
Sep 14 07:54:39.424 INFO kablam!    Compiling quote v0.2.3
Sep 14 07:54:39.535 INFO kablam!     Checking log v0.4.5
Sep 14 07:54:40.471 INFO kablam!     Checking log v0.3.9
Sep 14 07:54:40.471 INFO kablam!    Compiling kernel32-sys v0.2.2
Sep 14 07:54:40.927 INFO kablam!    Compiling syn v0.8.7
Sep 14 07:54:42.428 INFO kablam!     Checking memchr v0.1.11
Sep 14 07:54:42.428 INFO kablam!     Checking thread-id v2.0.0
Sep 14 07:54:42.428 INFO kablam!     Checking rand v0.4.3
Sep 14 07:54:43.019 INFO kablam!     Checking thread_local v0.2.7
Sep 14 07:54:43.175 INFO kablam!     Checking aho-corasick v0.5.3
Sep 14 07:54:44.835 INFO kablam!     Checking regex v0.1.80
Sep 14 07:54:46.146 INFO kablam!     Checking rand v0.3.22
Sep 14 07:54:48.937 INFO kablam!     Checking env_logger v0.3.5
Sep 14 07:54:49.836 INFO kablam!     Checking quickcheck v0.4.1
Sep 14 07:54:50.907 INFO kablam!    Compiling derive-new v0.4.0
Sep 14 07:54:53.467 INFO kablam!     Checking teardown_tree v0.6.6 (file:///source)
Sep 14 07:54:55.627 INFO kablam! warning: unnecessary `unsafe` block
Sep 14 07:54:55.627 INFO kablam!   --> src/applied/interval_tree.rs:50:9
Sep 14 07:54:55.627 INFO kablam!    |
Sep 14 07:54:55.627 INFO kablam! 50 |         unsafe { self.repr.into_inner() }
Sep 14 07:54:55.627 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 14 07:54:55.627 INFO kablam!    |
Sep 14 07:54:55.627 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Sep 14 07:54:55.627 INFO kablam! 
Sep 14 07:54:55.627 INFO kablam! warning: unnecessary `unsafe` block
Sep 14 07:54:55.627 INFO kablam!    --> src/applied/plain_tree.rs:113:9
Sep 14 07:54:55.627 INFO kablam!     |
Sep 14 07:54:55.627 INFO kablam! 113 |         unsafe { self.repr.into_inner() }
Sep 14 07:54:55.627 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 14 07:54:55.627 INFO kablam! 
Sep 14 07:54:55.627 INFO kablam! warning: function is never used: `right_enclosing`
Sep 14 07:54:55.627 INFO kablam!    --> src/base/base_repr.rs:693:1
Sep 14 07:54:55.627 INFO kablam!     |
Sep 14 07:54:55.627 INFO kablam! 693 | fn right_enclosing(idx: usize) -> usize {
Sep 14 07:54:55.627 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 07:54:55.627 INFO kablam!     |
Sep 14 07:54:55.627 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 14 07:54:55.627 INFO kablam! 
Sep 14 07:54:55.627 INFO kablam! warning: method is never used: `with_nodes`
Sep 14 07:54:55.627 INFO kablam!   --> src/applied/plain_tree.rs:93:5
Sep 14 07:54:55.627 INFO kablam!    |
Sep 14 07:54:55.627 INFO kablam! 93 |     pub fn with_nodes(nodes: Vec<Option<PlNode<K, V>>>) -> PlTree<K, V> {
Sep 14 07:54:55.627 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 07:54:55.627 INFO kablam! 
Sep 14 07:54:56.071 INFO kablam! warning: variable does not need to be mutable
Sep 14 07:54:56.071 INFO kablam!    --> src/lib.rs:566:18
Sep 14 07:54:56.071 INFO kablam!     |
Sep 14 07:54:56.071 INFO kablam! 566 |             let (mut orig, mut tree) = (orig.internal_mut(), tree.internal_mut());
Sep 14 07:54:56.071 INFO kablam!     |                  ----^^^^
Sep 14 07:54:56.071 INFO kablam!     |                  |
Sep 14 07:54:56.071 INFO kablam!     |                  help: remove this `mut`
Sep 14 07:54:56.071 INFO kablam!     |
Sep 14 07:54:56.071 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 07:54:56.071 INFO kablam! 
Sep 14 07:54:56.490 INFO kablam! warning: unnecessary `unsafe` block
Sep 14 07:54:56.490 INFO kablam!   --> src/applied/interval_tree.rs:50:9
Sep 14 07:54:56.490 INFO kablam!    |
Sep 14 07:54:56.490 INFO kablam! 50 |         unsafe { self.repr.into_inner() }
Sep 14 07:54:56.490 INFO kablam!    |         ^^^^^^ unnecessary `unsafe` block
Sep 14 07:54:56.491 INFO kablam!    |
Sep 14 07:54:56.491 INFO kablam!    = note: #[warn(unused_unsafe)] on by default
Sep 14 07:54:56.491 INFO kablam! 
Sep 14 07:54:56.491 INFO kablam! warning: unnecessary `unsafe` block
Sep 14 07:54:56.491 INFO kablam!    --> src/applied/plain_tree.rs:113:9
Sep 14 07:54:56.491 INFO kablam!     |
Sep 14 07:54:56.491 INFO kablam! 113 |         unsafe { self.repr.into_inner() }
Sep 14 07:54:56.491 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Sep 14 07:54:56.491 INFO kablam! 
Sep 14 07:54:56.495 INFO kablam! warning: function is never used: `right_enclosing`
Sep 14 07:54:56.495 INFO kablam!    --> src/base/base_repr.rs:693:1
Sep 14 07:54:56.495 INFO kablam!     |
Sep 14 07:54:56.495 INFO kablam! 693 | fn right_enclosing(idx: usize) -> usize {
Sep 14 07:54:56.495 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 07:54:56.495 INFO kablam!     |
Sep 14 07:54:56.495 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 14 07:54:56.495 INFO kablam! 
Sep 14 07:54:56.584 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.20s
Sep 14 07:54:56.589 INFO kablam! su: No module specific data is present
Sep 14 07:54:57.661 INFO running `"docker" "rm" "-f" "211e308b4e1d5219be259a558f46f21ad38fd7b91cdf355099fd6045dfcc708f"`
Sep 14 07:54:57.943 INFO blam! 211e308b4e1d5219be259a558f46f21ad38fd7b91cdf355099fd6045dfcc708f