Oct 12 19:20:14.904 INFO checking jzw2/rust-data-structures against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:20:14.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 19:20:15.545 INFO blam! 653c41759de8dc070c1b5632687dca8f33ebb440a1f1b6781dd64d60f7b60cbd
Oct 12 19:20:15.548 INFO running `"docker" "start" "-a" "653c41759de8dc070c1b5632687dca8f33ebb440a1f1b6781dd64d60f7b60cbd"`
Oct 12 19:20:17.301 INFO kablam! usermod: no changes
Oct 12 19:20:17.400 INFO kablam!     Checking rust-datastructures v0.1.0 (/source)
Oct 12 19:20:18.098 INFO kablam! warning: unused variable: `key`
Oct 12 19:20:18.098 INFO kablam!   --> src/main.rs:21:20
Oct 12 19:20:18.098 INFO kablam!    |
Oct 12 19:20:18.098 INFO kablam! 21 |     fn find(&self, key: usize) -> Option<&T> {
Oct 12 19:20:18.098 INFO kablam!    |                    ^^^ help: consider using `_key` instead
Oct 12 19:20:18.098 INFO kablam!    |
Oct 12 19:20:18.098 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:20:18.098 INFO kablam! 
Oct 12 19:20:18.098 INFO kablam! warning: unused variable: `key`
Oct 12 19:20:18.098 INFO kablam!   --> src/main.rs:75:26
Oct 12 19:20:18.098 INFO kablam!    |
Oct 12 19:20:18.098 INFO kablam! 75 |     fn delete(&mut self, key: usize) {
Oct 12 19:20:18.098 INFO kablam!    |                          ^^^ help: consider using `_key` instead
Oct 12 19:20:18.098 INFO kablam! 
Oct 12 19:20:18.102 INFO kablam! warning: field is never used: `data`
Oct 12 19:20:18.102 INFO kablam!  --> src/main.rs:2:5
Oct 12 19:20:18.103 INFO kablam!   |
Oct 12 19:20:18.103 INFO kablam! 2 |     data: Vec<Node<T>>,
Oct 12 19:20:18.103 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.103 INFO kablam!   |
Oct 12 19:20:18.103 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:20:18.103 INFO kablam! 
Oct 12 19:20:18.103 INFO kablam! warning: field is never used: `root`
Oct 12 19:20:18.103 INFO kablam!  --> src/main.rs:4:5
Oct 12 19:20:18.103 INFO kablam!   |
Oct 12 19:20:18.103 INFO kablam! 4 |     root: Option<usize>,
Oct 12 19:20:18.103 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.103 INFO kablam! 
Oct 12 19:20:18.103 INFO kablam! warning: field is never used: `key`
Oct 12 19:20:18.103 INFO kablam!  --> src/main.rs:8:5
Oct 12 19:20:18.103 INFO kablam!   |
Oct 12 19:20:18.103 INFO kablam! 8 |     key: usize,
Oct 12 19:20:18.103 INFO kablam!   |     ^^^^^^^^^^
Oct 12 19:20:18.103 INFO kablam! 
Oct 12 19:20:18.103 INFO kablam! warning: field is never used: `value`
Oct 12 19:20:18.103 INFO kablam!  --> src/main.rs:9:5
Oct 12 19:20:18.103 INFO kablam!   |
Oct 12 19:20:18.103 INFO kablam! 9 |     value: T,
Oct 12 19:20:18.103 INFO kablam!   |     ^^^^^^^^
Oct 12 19:20:18.103 INFO kablam! 
Oct 12 19:20:18.103 INFO kablam! warning: field is never used: `left`
Oct 12 19:20:18.103 INFO kablam!   --> src/main.rs:10:5
Oct 12 19:20:18.103 INFO kablam!    |
Oct 12 19:20:18.103 INFO kablam! 10 |     left: Option<usize>,
Oct 12 19:20:18.103 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.103 INFO kablam! 
Oct 12 19:20:18.103 INFO kablam! warning: field is never used: `right`
Oct 12 19:20:18.103 INFO kablam!   --> src/main.rs:11:5
Oct 12 19:20:18.103 INFO kablam!    |
Oct 12 19:20:18.103 INFO kablam! 11 |     right: Option<usize>,
Oct 12 19:20:18.103 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.103 INFO kablam! 
Oct 12 19:20:18.109 INFO kablam! warning: method is never used: `new`
Oct 12 19:20:18.109 INFO kablam!   --> src/main.rs:18:5
Oct 12 19:20:18.109 INFO kablam!    |
Oct 12 19:20:18.109 INFO kablam! 18 |     fn new() {
Oct 12 19:20:18.109 INFO kablam!    |     ^^^^^^^^
Oct 12 19:20:18.109 INFO kablam! 
Oct 12 19:20:18.110 INFO kablam! warning: method is never used: `find`
Oct 12 19:20:18.111 INFO kablam!   --> src/main.rs:21:5
Oct 12 19:20:18.111 INFO kablam!    |
Oct 12 19:20:18.111 INFO kablam! 21 |     fn find(&self, key: usize) -> Option<&T> {
Oct 12 19:20:18.111 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.112 INFO kablam! 
Oct 12 19:20:18.112 INFO kablam! warning: method is never used: `insert`
Oct 12 19:20:18.112 INFO kablam!   --> src/main.rs:27:5
Oct 12 19:20:18.112 INFO kablam!    |
Oct 12 19:20:18.112 INFO kablam! 27 |     fn insert(&mut self, key: usize, value: T) {
Oct 12 19:20:18.112 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.116 INFO kablam! 
Oct 12 19:20:18.116 INFO kablam! warning: method is never used: `delete`
Oct 12 19:20:18.116 INFO kablam!   --> src/main.rs:75:5
Oct 12 19:20:18.116 INFO kablam!    |
Oct 12 19:20:18.116 INFO kablam! 75 |     fn delete(&mut self, key: usize) {
Oct 12 19:20:18.116 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.116 INFO kablam! 
Oct 12 19:20:18.153 INFO kablam! warning: unused variable: `key`
Oct 12 19:20:18.153 INFO kablam!   --> src/main.rs:21:20
Oct 12 19:20:18.153 INFO kablam!    |
Oct 12 19:20:18.153 INFO kablam! 21 |     fn find(&self, key: usize) -> Option<&T> {
Oct 12 19:20:18.153 INFO kablam!    |                    ^^^ help: consider using `_key` instead
Oct 12 19:20:18.153 INFO kablam!    |
Oct 12 19:20:18.153 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:20:18.155 INFO kablam! 
Oct 12 19:20:18.155 INFO kablam! warning: unused variable: `key`
Oct 12 19:20:18.155 INFO kablam!   --> src/main.rs:75:26
Oct 12 19:20:18.155 INFO kablam!    |
Oct 12 19:20:18.155 INFO kablam! 75 |     fn delete(&mut self, key: usize) {
Oct 12 19:20:18.155 INFO kablam!    |                          ^^^ help: consider using `_key` instead
Oct 12 19:20:18.155 INFO kablam! 
Oct 12 19:20:18.160 INFO kablam! warning: field is never used: `data`
Oct 12 19:20:18.160 INFO kablam!  --> src/main.rs:2:5
Oct 12 19:20:18.160 INFO kablam!   |
Oct 12 19:20:18.160 INFO kablam! 2 |     data: Vec<Node<T>>,
Oct 12 19:20:18.160 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.160 INFO kablam!   |
Oct 12 19:20:18.160 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:20:18.160 INFO kablam! 
Oct 12 19:20:18.162 INFO kablam! warning: field is never used: `root`
Oct 12 19:20:18.162 INFO kablam!  --> src/main.rs:4:5
Oct 12 19:20:18.162 INFO kablam!   |
Oct 12 19:20:18.162 INFO kablam! 4 |     root: Option<usize>,
Oct 12 19:20:18.162 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.162 INFO kablam! 
Oct 12 19:20:18.163 INFO kablam! warning: field is never used: `key`
Oct 12 19:20:18.163 INFO kablam!  --> src/main.rs:8:5
Oct 12 19:20:18.163 INFO kablam!   |
Oct 12 19:20:18.163 INFO kablam! 8 |     key: usize,
Oct 12 19:20:18.163 INFO kablam!   |     ^^^^^^^^^^
Oct 12 19:20:18.164 INFO kablam! 
Oct 12 19:20:18.165 INFO kablam! warning: field is never used: `value`
Oct 12 19:20:18.165 INFO kablam!  --> src/main.rs:9:5
Oct 12 19:20:18.165 INFO kablam!   |
Oct 12 19:20:18.165 INFO kablam! 9 |     value: T,
Oct 12 19:20:18.165 INFO kablam!   |     ^^^^^^^^
Oct 12 19:20:18.165 INFO kablam! 
Oct 12 19:20:18.166 INFO kablam! warning: field is never used: `left`
Oct 12 19:20:18.166 INFO kablam!   --> src/main.rs:10:5
Oct 12 19:20:18.166 INFO kablam!    |
Oct 12 19:20:18.166 INFO kablam! 10 |     left: Option<usize>,
Oct 12 19:20:18.166 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.166 INFO kablam! 
Oct 12 19:20:18.167 INFO kablam! warning: field is never used: `right`
Oct 12 19:20:18.167 INFO kablam!   --> src/main.rs:11:5
Oct 12 19:20:18.167 INFO kablam!    |
Oct 12 19:20:18.167 INFO kablam! 11 |     right: Option<usize>,
Oct 12 19:20:18.167 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.167 INFO kablam! 
Oct 12 19:20:18.168 INFO kablam! warning: method is never used: `new`
Oct 12 19:20:18.168 INFO kablam!   --> src/main.rs:18:5
Oct 12 19:20:18.168 INFO kablam!    |
Oct 12 19:20:18.168 INFO kablam! 18 |     fn new() {
Oct 12 19:20:18.168 INFO kablam!    |     ^^^^^^^^
Oct 12 19:20:18.168 INFO kablam! 
Oct 12 19:20:18.170 INFO kablam! warning: method is never used: `find`
Oct 12 19:20:18.170 INFO kablam!   --> src/main.rs:21:5
Oct 12 19:20:18.170 INFO kablam!    |
Oct 12 19:20:18.170 INFO kablam! 21 |     fn find(&self, key: usize) -> Option<&T> {
Oct 12 19:20:18.170 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.170 INFO kablam! 
Oct 12 19:20:18.171 INFO kablam! warning: method is never used: `insert`
Oct 12 19:20:18.171 INFO kablam!   --> src/main.rs:27:5
Oct 12 19:20:18.171 INFO kablam!    |
Oct 12 19:20:18.171 INFO kablam! 27 |     fn insert(&mut self, key: usize, value: T) {
Oct 12 19:20:18.171 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.171 INFO kablam! 
Oct 12 19:20:18.172 INFO kablam! warning: method is never used: `delete`
Oct 12 19:20:18.172 INFO kablam!   --> src/main.rs:75:5
Oct 12 19:20:18.172 INFO kablam!    |
Oct 12 19:20:18.172 INFO kablam! 75 |     fn delete(&mut self, key: usize) {
Oct 12 19:20:18.172 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:18.172 INFO kablam! 
Oct 12 19:20:18.210 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Oct 12 19:20:18.244 INFO kablam! su: No module specific data is present
Oct 12 19:20:19.231 INFO running `"docker" "rm" "-f" "653c41759de8dc070c1b5632687dca8f33ebb440a1f1b6781dd64d60f7b60cbd"`
Oct 12 19:20:19.560 INFO blam! 653c41759de8dc070c1b5632687dca8f33ebb440a1f1b6781dd64d60f7b60cbd