Oct 12 17:34:14.260 INFO checking megesdal/bedtree-rs against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 17:34:14.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 17:34:14.450 INFO blam! 8341d1579227e64956d23d2fd1bb7ae9845d854df31670e4bae9ed6443cff304
Oct 12 17:34:14.454 INFO running `"docker" "start" "-a" "8341d1579227e64956d23d2fd1bb7ae9845d854df31670e4bae9ed6443cff304"`
Oct 12 17:34:14.947 INFO kablam! usermod: no changes
Oct 12 17:34:14.981 INFO kablam!     Checking hello_world v0.0.1 (/source)
Oct 12 17:34:15.232 INFO kablam! warning: unused import: `max`
Oct 12 17:34:15.233 INFO kablam!  --> src/main.rs:2:16
Oct 12 17:34:15.233 INFO kablam!   |
Oct 12 17:34:15.233 INFO kablam! 2 | use std::cmp::{max, min, Ordering};
Oct 12 17:34:15.234 INFO kablam!   |                ^^^
Oct 12 17:34:15.234 INFO kablam!   |
Oct 12 17:34:15.234 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:34:15.234 INFO kablam! 
Oct 12 17:34:15.292 INFO kablam! warning: unused import: `max`
Oct 12 17:34:15.292 INFO kablam!  --> src/main.rs:2:16
Oct 12 17:34:15.292 INFO kablam!   |
Oct 12 17:34:15.292 INFO kablam! 2 | use std::cmp::{max, min, Ordering};
Oct 12 17:34:15.292 INFO kablam!   |                ^^^
Oct 12 17:34:15.292 INFO kablam!   |
Oct 12 17:34:15.292 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:34:15.292 INFO kablam! 
Oct 12 17:34:15.298 INFO kablam! warning: unused variable: `node_to_insert`
Oct 12 17:34:15.299 INFO kablam!    --> src/main.rs:114:14
Oct 12 17:34:15.299 INFO kablam!     |
Oct 12 17:34:15.299 INFO kablam! 114 |         let (node_to_insert, insert_idx) = match split_result {
Oct 12 17:34:15.299 INFO kablam!     |              ^^^^^^^^^^^^^^ help: consider using `_node_to_insert` instead
Oct 12 17:34:15.299 INFO kablam!     |
Oct 12 17:34:15.299 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 17:34:15.299 INFO kablam! 
Oct 12 17:34:15.299 INFO kablam! warning: unused variable: `insert_idx`
Oct 12 17:34:15.299 INFO kablam!    --> src/main.rs:114:30
Oct 12 17:34:15.299 INFO kablam!     |
Oct 12 17:34:15.299 INFO kablam! 114 |         let (node_to_insert, insert_idx) = match split_result {
Oct 12 17:34:15.299 INFO kablam!     |                              ^^^^^^^^^^ help: consider using `_insert_idx` instead
Oct 12 17:34:15.299 INFO kablam! 
Oct 12 17:34:15.299 INFO kablam! warning: unused variable: `q`
Oct 12 17:34:15.299 INFO kablam!    --> src/main.rs:125:68
Oct 12 17:34:15.299 INFO kablam!     |
Oct 12 17:34:15.299 INFO kablam! 125 |     fn split_if_necessary(&'a self, parent: &'a BPlusTreeNode<'a>, q: &str)
Oct 12 17:34:15.299 INFO kablam!     |                                                                    ^ help: consider using `_q` instead
Oct 12 17:34:15.299 INFO kablam! 
Oct 12 17:34:15.324 INFO kablam! warning: struct is never constructed: `BPlusTree`
Oct 12 17:34:15.324 INFO kablam!   --> src/main.rs:42:1
Oct 12 17:34:15.324 INFO kablam!    |
Oct 12 17:34:15.324 INFO kablam! 42 | struct BPlusTree<'a> {
Oct 12 17:34:15.324 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.324 INFO kablam!    |
Oct 12 17:34:15.324 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:34:15.324 INFO kablam! 
Oct 12 17:34:15.324 INFO kablam! warning: struct is never constructed: `BPlusTreeNode`
Oct 12 17:34:15.324 INFO kablam!   --> src/main.rs:48:1
Oct 12 17:34:15.324 INFO kablam!    |
Oct 12 17:34:15.324 INFO kablam! 48 | struct BPlusTreeNode<'a> {
Oct 12 17:34:15.324 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.324 INFO kablam! 
Oct 12 17:34:15.324 INFO kablam! warning: method is never used: `is_leaf_node`
Oct 12 17:34:15.324 INFO kablam!   --> src/main.rs:57:5
Oct 12 17:34:15.324 INFO kablam!    |
Oct 12 17:34:15.324 INFO kablam! 57 |     fn is_leaf_node(&self) -> bool {
Oct 12 17:34:15.324 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.324 INFO kablam! 
Oct 12 17:34:15.324 INFO kablam! warning: method is never used: `insert`
Oct 12 17:34:15.324 INFO kablam!   --> src/main.rs:64:5
Oct 12 17:34:15.324 INFO kablam!    |
Oct 12 17:34:15.324 INFO kablam! 64 |     fn insert(&'a self, q: &str) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.324 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.324 INFO kablam! 
Oct 12 17:34:15.324 INFO kablam! warning: method is never used: `find_node`
Oct 12 17:34:15.325 INFO kablam!   --> src/main.rs:70:5
Oct 12 17:34:15.325 INFO kablam!    |
Oct 12 17:34:15.325 INFO kablam! 70 |     fn find_node(&'a self, q: &str, node: &'a BPlusTreeNode<'a>) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.325 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.325 INFO kablam! 
Oct 12 17:34:15.340 INFO kablam! warning: function is never used: `check_split`
Oct 12 17:34:15.340 INFO kablam!   --> src/main.rs:75:13
Oct 12 17:34:15.340 INFO kablam!    |
Oct 12 17:34:15.340 INFO kablam! 75 | /             fn check_split<'a>(tree: &'a BPlusTree<'a>, q: &str, node: &'a BPlusTreeNode<'a>,
Oct 12 17:34:15.340 INFO kablam! 76 | |                                child_idx: usize) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.340 INFO kablam! 77 | |                 if child_idx == node.splits.len() {
Oct 12 17:34:15.340 INFO kablam! 78 | |                     tree.find_node(q, &node.children[node.splits.len()])
Oct 12 17:34:15.340 INFO kablam! ...  |
Oct 12 17:34:15.340 INFO kablam! 83 | |                 }
Oct 12 17:34:15.340 INFO kablam! 84 | |             };
Oct 12 17:34:15.340 INFO kablam!    | |_____________^
Oct 12 17:34:15.340 INFO kablam! 
Oct 12 17:34:15.340 INFO kablam! warning: method is never used: `rec_insert`
Oct 12 17:34:15.340 INFO kablam!    --> src/main.rs:89:5
Oct 12 17:34:15.340 INFO kablam!     |
Oct 12 17:34:15.340 INFO kablam! 89  | /     fn rec_insert(&'a self, q: &str, parent: &'a BPlusTreeNode<'a>,
Oct 12 17:34:15.340 INFO kablam! 90  | |                   child: Option<&'a BPlusTreeNode>) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.340 INFO kablam! 91  | |
Oct 12 17:34:15.340 INFO kablam! 92  | |         // TODO: recursive closure via struct?
Oct 12 17:34:15.340 INFO kablam! ...   |
Oct 12 17:34:15.340 INFO kablam! 122 | |         parent
Oct 12 17:34:15.340 INFO kablam! 123 | |     }
Oct 12 17:34:15.340 INFO kablam!     | |_____^
Oct 12 17:34:15.340 INFO kablam! 
Oct 12 17:34:15.340 INFO kablam! warning: function is never used: `find_insert_loc`
Oct 12 17:34:15.340 INFO kablam!    --> src/main.rs:93:9
Oct 12 17:34:15.340 INFO kablam!     |
Oct 12 17:34:15.340 INFO kablam! 93  | /         fn find_insert_loc<'a>(compare: fn(&str,&str)->Ordering, splits: &Vec<&str>, idx: usize,
Oct 12 17:34:15.340 INFO kablam! 94  | |                                q: &str, child: Option<&'a BPlusTreeNode>) -> (usize, bool) {
Oct 12 17:34:15.340 INFO kablam! 95  | |             if idx == splits.len() {
Oct 12 17:34:15.340 INFO kablam! 96  | |                 (splits.len(), true)
Oct 12 17:34:15.340 INFO kablam! ...   |
Oct 12 17:34:15.340 INFO kablam! 103 | |             }
Oct 12 17:34:15.340 INFO kablam! 104 | |         }
Oct 12 17:34:15.340 INFO kablam!     | |_________^
Oct 12 17:34:15.340 INFO kablam! 
Oct 12 17:34:15.340 INFO kablam! warning: method is never used: `split_if_necessary`
Oct 12 17:34:15.340 INFO kablam!    --> src/main.rs:125:5
Oct 12 17:34:15.340 INFO kablam!     |
Oct 12 17:34:15.340 INFO kablam! 125 | /     fn split_if_necessary(&'a self, parent: &'a BPlusTreeNode<'a>, q: &str)
Oct 12 17:34:15.340 INFO kablam! 126 | |                           -> (Option<&'a BPlusTreeNode<'a>>, bool) {
Oct 12 17:34:15.340 INFO kablam! 127 | |         let should_split = parent.splits.len() == self.branch_factor - 1;
Oct 12 17:34:15.340 INFO kablam! 128 | |         if !should_split {
Oct 12 17:34:15.340 INFO kablam! ...   |
Oct 12 17:34:15.340 INFO kablam! 133 | |         }
Oct 12 17:34:15.340 INFO kablam! 134 | |     }
Oct 12 17:34:15.340 INFO kablam!     | |_____^
Oct 12 17:34:15.341 INFO kablam! 
Oct 12 17:34:15.341 INFO kablam! warning: function is never used: `verify_edit_distance`
Oct 12 17:34:15.341 INFO kablam!    --> src/main.rs:137:1
Oct 12 17:34:15.341 INFO kablam!     |
Oct 12 17:34:15.341 INFO kablam! 137 | fn verify_edit_distance(x: &str, y: &str, distance_threshold: usize) -> Option<usize> {
Oct 12 17:34:15.341 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.341 INFO kablam! 
Oct 12 17:34:15.341 INFO kablam! warning: function is never used: `create_verification_table`
Oct 12 17:34:15.341 INFO kablam!    --> src/main.rs:171:1
Oct 12 17:34:15.341 INFO kablam!     |
Oct 12 17:34:15.341 INFO kablam! 171 | / fn create_verification_table<F>(
Oct 12 17:34:15.341 INFO kablam! 172 | |     nrows: usize,
Oct 12 17:34:15.341 INFO kablam! 173 | |     ncols: usize,
Oct 12 17:34:15.341 INFO kablam! 174 | |     distance_threshold: usize,
Oct 12 17:34:15.341 INFO kablam! ...   |
Oct 12 17:34:15.341 INFO kablam! 225 | |     (row0, Some(m))
Oct 12 17:34:15.341 INFO kablam! 226 | | }
Oct 12 17:34:15.341 INFO kablam!     | |_^
Oct 12 17:34:15.341 INFO kablam! 
Oct 12 17:34:15.401 INFO kablam! warning: unused variable: `node_to_insert`
Oct 12 17:34:15.401 INFO kablam!    --> src/main.rs:114:14
Oct 12 17:34:15.401 INFO kablam!     |
Oct 12 17:34:15.402 INFO kablam! 114 |         let (node_to_insert, insert_idx) = match split_result {
Oct 12 17:34:15.402 INFO kablam!     |              ^^^^^^^^^^^^^^ help: consider using `_node_to_insert` instead
Oct 12 17:34:15.402 INFO kablam!     |
Oct 12 17:34:15.402 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 17:34:15.403 INFO kablam! 
Oct 12 17:34:15.403 INFO kablam! warning: unused variable: `insert_idx`
Oct 12 17:34:15.403 INFO kablam!    --> src/main.rs:114:30
Oct 12 17:34:15.403 INFO kablam!     |
Oct 12 17:34:15.404 INFO kablam! 114 |         let (node_to_insert, insert_idx) = match split_result {
Oct 12 17:34:15.404 INFO kablam!     |                              ^^^^^^^^^^ help: consider using `_insert_idx` instead
Oct 12 17:34:15.404 INFO kablam! 
Oct 12 17:34:15.405 INFO kablam! warning: unused variable: `q`
Oct 12 17:34:15.405 INFO kablam!    --> src/main.rs:125:68
Oct 12 17:34:15.405 INFO kablam!     |
Oct 12 17:34:15.405 INFO kablam! 125 |     fn split_if_necessary(&'a self, parent: &'a BPlusTreeNode<'a>, q: &str)
Oct 12 17:34:15.406 INFO kablam!     |                                                                    ^ help: consider using `_q` instead
Oct 12 17:34:15.406 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: struct is never constructed: `BPlusTree`
Oct 12 17:34:15.426 INFO kablam!   --> src/main.rs:42:1
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam! 42 | struct BPlusTree<'a> {
Oct 12 17:34:15.426 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: struct is never constructed: `BPlusTreeNode`
Oct 12 17:34:15.426 INFO kablam!   --> src/main.rs:48:1
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam! 48 | struct BPlusTreeNode<'a> {
Oct 12 17:34:15.426 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: method is never used: `is_leaf_node`
Oct 12 17:34:15.426 INFO kablam!   --> src/main.rs:57:5
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam! 57 |     fn is_leaf_node(&self) -> bool {
Oct 12 17:34:15.426 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: method is never used: `insert`
Oct 12 17:34:15.426 INFO kablam!   --> src/main.rs:64:5
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam! 64 |     fn insert(&'a self, q: &str) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.426 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: method is never used: `find_node`
Oct 12 17:34:15.426 INFO kablam!   --> src/main.rs:70:5
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam! 70 |     fn find_node(&'a self, q: &str, node: &'a BPlusTreeNode<'a>) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.426 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: function is never used: `check_split`
Oct 12 17:34:15.426 INFO kablam!   --> src/main.rs:75:13
Oct 12 17:34:15.426 INFO kablam!    |
Oct 12 17:34:15.426 INFO kablam! 75 | /             fn check_split<'a>(tree: &'a BPlusTree<'a>, q: &str, node: &'a BPlusTreeNode<'a>,
Oct 12 17:34:15.426 INFO kablam! 76 | |                                child_idx: usize) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.426 INFO kablam! 77 | |                 if child_idx == node.splits.len() {
Oct 12 17:34:15.426 INFO kablam! 78 | |                     tree.find_node(q, &node.children[node.splits.len()])
Oct 12 17:34:15.426 INFO kablam! ...  |
Oct 12 17:34:15.426 INFO kablam! 83 | |                 }
Oct 12 17:34:15.426 INFO kablam! 84 | |             };
Oct 12 17:34:15.426 INFO kablam!    | |_____________^
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: method is never used: `rec_insert`
Oct 12 17:34:15.426 INFO kablam!    --> src/main.rs:89:5
Oct 12 17:34:15.426 INFO kablam!     |
Oct 12 17:34:15.426 INFO kablam! 89  | /     fn rec_insert(&'a self, q: &str, parent: &'a BPlusTreeNode<'a>,
Oct 12 17:34:15.426 INFO kablam! 90  | |                   child: Option<&'a BPlusTreeNode>) -> &'a BPlusTreeNode<'a> {
Oct 12 17:34:15.426 INFO kablam! 91  | |
Oct 12 17:34:15.426 INFO kablam! 92  | |         // TODO: recursive closure via struct?
Oct 12 17:34:15.426 INFO kablam! ...   |
Oct 12 17:34:15.426 INFO kablam! 122 | |         parent
Oct 12 17:34:15.426 INFO kablam! 123 | |     }
Oct 12 17:34:15.426 INFO kablam!     | |_____^
Oct 12 17:34:15.426 INFO kablam! 
Oct 12 17:34:15.426 INFO kablam! warning: function is never used: `find_insert_loc`
Oct 12 17:34:15.426 INFO kablam!    --> src/main.rs:93:9
Oct 12 17:34:15.426 INFO kablam!     |
Oct 12 17:34:15.426 INFO kablam! 93  | /         fn find_insert_loc<'a>(compare: fn(&str,&str)->Ordering, splits: &Vec<&str>, idx: usize,
Oct 12 17:34:15.426 INFO kablam! 94  | |                                q: &str, child: Option<&'a BPlusTreeNode>) -> (usize, bool) {
Oct 12 17:34:15.426 INFO kablam! 95  | |             if idx == splits.len() {
Oct 12 17:34:15.426 INFO kablam! 96  | |                 (splits.len(), true)
Oct 12 17:34:15.426 INFO kablam! ...   |
Oct 12 17:34:15.426 INFO kablam! 103 | |             }
Oct 12 17:34:15.426 INFO kablam! 104 | |         }
Oct 12 17:34:15.427 INFO kablam!     | |_________^
Oct 12 17:34:15.427 INFO kablam! 
Oct 12 17:34:15.427 INFO kablam! warning: method is never used: `split_if_necessary`
Oct 12 17:34:15.427 INFO kablam!    --> src/main.rs:125:5
Oct 12 17:34:15.427 INFO kablam!     |
Oct 12 17:34:15.427 INFO kablam! 125 | /     fn split_if_necessary(&'a self, parent: &'a BPlusTreeNode<'a>, q: &str)
Oct 12 17:34:15.427 INFO kablam! 126 | |                           -> (Option<&'a BPlusTreeNode<'a>>, bool) {
Oct 12 17:34:15.427 INFO kablam! 127 | |         let should_split = parent.splits.len() == self.branch_factor - 1;
Oct 12 17:34:15.427 INFO kablam! 128 | |         if !should_split {
Oct 12 17:34:15.427 INFO kablam! ...   |
Oct 12 17:34:15.427 INFO kablam! 133 | |         }
Oct 12 17:34:15.427 INFO kablam! 134 | |     }
Oct 12 17:34:15.427 INFO kablam!     | |_____^
Oct 12 17:34:15.427 INFO kablam! 
Oct 12 17:34:15.465 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Oct 12 17:34:15.465 INFO kablam! su: No module specific data is present
Oct 12 17:34:15.953 INFO running `"docker" "rm" "-f" "8341d1579227e64956d23d2fd1bb7ae9845d854df31670e4bae9ed6443cff304"`
Oct 12 17:34:16.065 INFO blam! 8341d1579227e64956d23d2fd1bb7ae9845d854df31670e4bae9ed6443cff304