Nov 28 02:50:08.442 INFO checking jzw2/rust-data-structures against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:50:08.442 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 02:50:08.625 INFO [stdout] d5f8d33531d9fde3b0093411f851cf651f80bae9eed67b0458157a9cba0dedb4
Nov 28 02:50:08.628 INFO running `"docker" "start" "-a" "d5f8d33531d9fde3b0093411f851cf651f80bae9eed67b0458157a9cba0dedb4"`
Nov 28 02:50:09.229 INFO [stderr] usermod: no changes
Nov 28 02:50:09.268 INFO [stderr]     Checking rust-datastructures v0.1.0 (/source)
Nov 28 02:50:09.556 INFO [stderr] warning: unused variable: `key`
Nov 28 02:50:09.556 INFO [stderr]   --> src/main.rs:21:20
Nov 28 02:50:09.556 INFO [stderr]    |
Nov 28 02:50:09.556 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 28 02:50:09.556 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Nov 28 02:50:09.556 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: unused variable: `key`
Nov 28 02:50:09.557 INFO [stderr]   --> src/main.rs:75:26
Nov 28 02:50:09.557 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 28 02:50:09.557 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: field is never used: `data`
Nov 28 02:50:09.557 INFO [stderr]  --> src/main.rs:2:5
Nov 28 02:50:09.557 INFO [stderr]   |
Nov 28 02:50:09.557 INFO [stderr] 2 |     data: Vec<Node<T>>,
Nov 28 02:50:09.557 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr]   |
Nov 28 02:50:09.557 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: field is never used: `root`
Nov 28 02:50:09.557 INFO [stderr]  --> src/main.rs:4:5
Nov 28 02:50:09.557 INFO [stderr]   |
Nov 28 02:50:09.557 INFO [stderr] 4 |     root: Option<usize>,
Nov 28 02:50:09.557 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: field is never used: `key`
Nov 28 02:50:09.557 INFO [stderr]  --> src/main.rs:8:5
Nov 28 02:50:09.557 INFO [stderr]   |
Nov 28 02:50:09.557 INFO [stderr] 8 |     key: usize,
Nov 28 02:50:09.557 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: field is never used: `value`
Nov 28 02:50:09.557 INFO [stderr]  --> src/main.rs:9:5
Nov 28 02:50:09.557 INFO [stderr]   |
Nov 28 02:50:09.557 INFO [stderr] 9 |     value: T,
Nov 28 02:50:09.557 INFO [stderr]   |     ^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: field is never used: `left`
Nov 28 02:50:09.557 INFO [stderr]   --> src/main.rs:10:5
Nov 28 02:50:09.557 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr] 10 |     left: Option<usize>,
Nov 28 02:50:09.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: field is never used: `right`
Nov 28 02:50:09.557 INFO [stderr]   --> src/main.rs:11:5
Nov 28 02:50:09.557 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr] 11 |     right: Option<usize>,
Nov 28 02:50:09.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: method is never used: `new`
Nov 28 02:50:09.557 INFO [stderr]   --> src/main.rs:18:5
Nov 28 02:50:09.557 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr] 18 |     fn new() {
Nov 28 02:50:09.557 INFO [stderr]    |     ^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: method is never used: `find`
Nov 28 02:50:09.557 INFO [stderr]   --> src/main.rs:21:5
Nov 28 02:50:09.557 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 28 02:50:09.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.557 INFO [stderr] warning: method is never used: `insert`
Nov 28 02:50:09.557 INFO [stderr]   --> src/main.rs:27:5
Nov 28 02:50:09.557 INFO [stderr]    |
Nov 28 02:50:09.557 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Nov 28 02:50:09.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.557 INFO [stderr] 
Nov 28 02:50:09.563 INFO [stderr] warning: method is never used: `delete`
Nov 28 02:50:09.563 INFO [stderr]   --> src/main.rs:75:5
Nov 28 02:50:09.563 INFO [stderr]    |
Nov 28 02:50:09.563 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 28 02:50:09.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.563 INFO [stderr] 
Nov 28 02:50:09.798 INFO [stderr] warning: unused variable: `key`
Nov 28 02:50:09.798 INFO [stderr]   --> src/main.rs:21:20
Nov 28 02:50:09.799 INFO [stderr]    |
Nov 28 02:50:09.799 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 28 02:50:09.799 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Nov 28 02:50:09.799 INFO [stderr]    |
Nov 28 02:50:09.802 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:50:09.802 INFO [stderr] 
Nov 28 02:50:09.802 INFO [stderr] warning: unused variable: `key`
Nov 28 02:50:09.802 INFO [stderr]   --> src/main.rs:75:26
Nov 28 02:50:09.802 INFO [stderr]    |
Nov 28 02:50:09.802 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 28 02:50:09.802 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Nov 28 02:50:09.802 INFO [stderr] 
Nov 28 02:50:09.812 INFO [stderr] warning: field is never used: `data`
Nov 28 02:50:09.812 INFO [stderr]  --> src/main.rs:2:5
Nov 28 02:50:09.812 INFO [stderr]   |
Nov 28 02:50:09.812 INFO [stderr] 2 |     data: Vec<Node<T>>,
Nov 28 02:50:09.812 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.812 INFO [stderr]   |
Nov 28 02:50:09.812 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 02:50:09.812 INFO [stderr] 
Nov 28 02:50:09.812 INFO [stderr] warning: field is never used: `root`
Nov 28 02:50:09.812 INFO [stderr]  --> src/main.rs:4:5
Nov 28 02:50:09.813 INFO [stderr]   |
Nov 28 02:50:09.813 INFO [stderr] 4 |     root: Option<usize>,
Nov 28 02:50:09.813 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: field is never used: `key`
Nov 28 02:50:09.813 INFO [stderr]  --> src/main.rs:8:5
Nov 28 02:50:09.813 INFO [stderr]   |
Nov 28 02:50:09.813 INFO [stderr] 8 |     key: usize,
Nov 28 02:50:09.813 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: field is never used: `value`
Nov 28 02:50:09.813 INFO [stderr]  --> src/main.rs:9:5
Nov 28 02:50:09.813 INFO [stderr]   |
Nov 28 02:50:09.813 INFO [stderr] 9 |     value: T,
Nov 28 02:50:09.813 INFO [stderr]   |     ^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: field is never used: `left`
Nov 28 02:50:09.813 INFO [stderr]   --> src/main.rs:10:5
Nov 28 02:50:09.813 INFO [stderr]    |
Nov 28 02:50:09.813 INFO [stderr] 10 |     left: Option<usize>,
Nov 28 02:50:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: field is never used: `right`
Nov 28 02:50:09.813 INFO [stderr]   --> src/main.rs:11:5
Nov 28 02:50:09.813 INFO [stderr]    |
Nov 28 02:50:09.813 INFO [stderr] 11 |     right: Option<usize>,
Nov 28 02:50:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: method is never used: `new`
Nov 28 02:50:09.813 INFO [stderr]   --> src/main.rs:18:5
Nov 28 02:50:09.813 INFO [stderr]    |
Nov 28 02:50:09.813 INFO [stderr] 18 |     fn new() {
Nov 28 02:50:09.813 INFO [stderr]    |     ^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: method is never used: `find`
Nov 28 02:50:09.813 INFO [stderr]   --> src/main.rs:21:5
Nov 28 02:50:09.813 INFO [stderr]    |
Nov 28 02:50:09.813 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 28 02:50:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: method is never used: `insert`
Nov 28 02:50:09.813 INFO [stderr]   --> src/main.rs:27:5
Nov 28 02:50:09.813 INFO [stderr]    |
Nov 28 02:50:09.813 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Nov 28 02:50:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.813 INFO [stderr] warning: method is never used: `delete`
Nov 28 02:50:09.813 INFO [stderr]   --> src/main.rs:75:5
Nov 28 02:50:09.813 INFO [stderr]    |
Nov 28 02:50:09.813 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 28 02:50:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:50:09.813 INFO [stderr] 
Nov 28 02:50:09.833 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Nov 28 02:50:09.836 INFO [stderr] su: No module specific data is present
Nov 28 02:50:10.600 INFO running `"docker" "inspect" "d5f8d33531d9fde3b0093411f851cf651f80bae9eed67b0458157a9cba0dedb4"`
Nov 28 02:50:10.890 INFO running `"docker" "rm" "-f" "d5f8d33531d9fde3b0093411f851cf651f80bae9eed67b0458157a9cba0dedb4"`
Nov 28 02:50:11.180 INFO [stdout] d5f8d33531d9fde3b0093411f851cf651f80bae9eed67b0458157a9cba0dedb4