Nov 30 00:25:53.662 INFO checking jzw2/rust-data-structures against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:25:53.662 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 00:25:54.216 INFO [stdout] 36f31abcd7da1def7046ef2b7127a616781de324feef4eb965a30a57ca29a522
Nov 30 00:25:54.222 INFO running `"docker" "start" "-a" "36f31abcd7da1def7046ef2b7127a616781de324feef4eb965a30a57ca29a522"`
Nov 30 00:25:56.001 INFO [stderr] usermod: no changes
Nov 30 00:25:56.101 INFO [stderr]     Checking rust-datastructures v0.1.0 (/source)
Nov 30 00:25:56.440 INFO [stderr] warning: unused variable: `key`
Nov 30 00:25:56.440 INFO [stderr]   --> src/main.rs:21:20
Nov 30 00:25:56.440 INFO [stderr]    |
Nov 30 00:25:56.440 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 30 00:25:56.440 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Nov 30 00:25:56.440 INFO [stderr]    |
Nov 30 00:25:56.440 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:25:56.440 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: unused variable: `key`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:75:26
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 30 00:25:56.441 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: field is never used: `data`
Nov 30 00:25:56.441 INFO [stderr]  --> src/main.rs:2:5
Nov 30 00:25:56.441 INFO [stderr]   |
Nov 30 00:25:56.441 INFO [stderr] 2 |     data: Vec<Node<T>>,
Nov 30 00:25:56.441 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr]   |
Nov 30 00:25:56.441 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: field is never used: `root`
Nov 30 00:25:56.441 INFO [stderr]  --> src/main.rs:4:5
Nov 30 00:25:56.441 INFO [stderr]   |
Nov 30 00:25:56.441 INFO [stderr] 4 |     root: Option<usize>,
Nov 30 00:25:56.441 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: field is never used: `key`
Nov 30 00:25:56.441 INFO [stderr]  --> src/main.rs:8:5
Nov 30 00:25:56.441 INFO [stderr]   |
Nov 30 00:25:56.441 INFO [stderr] 8 |     key: usize,
Nov 30 00:25:56.441 INFO [stderr]   |     ^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: field is never used: `value`
Nov 30 00:25:56.441 INFO [stderr]  --> src/main.rs:9:5
Nov 30 00:25:56.441 INFO [stderr]   |
Nov 30 00:25:56.441 INFO [stderr] 9 |     value: T,
Nov 30 00:25:56.441 INFO [stderr]   |     ^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: field is never used: `left`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:10:5
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 10 |     left: Option<usize>,
Nov 30 00:25:56.441 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: field is never used: `right`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:11:5
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 11 |     right: Option<usize>,
Nov 30 00:25:56.441 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: method is never used: `new`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:18:5
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 18 |     fn new() {
Nov 30 00:25:56.441 INFO [stderr]    |     ^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: method is never used: `find`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:21:5
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 30 00:25:56.441 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: method is never used: `insert`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:27:5
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Nov 30 00:25:56.441 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.441 INFO [stderr] warning: method is never used: `delete`
Nov 30 00:25:56.441 INFO [stderr]   --> src/main.rs:75:5
Nov 30 00:25:56.441 INFO [stderr]    |
Nov 30 00:25:56.441 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 30 00:25:56.441 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.441 INFO [stderr] 
Nov 30 00:25:56.676 INFO [stderr] warning: unused variable: `key`
Nov 30 00:25:56.676 INFO [stderr]   --> src/main.rs:21:20
Nov 30 00:25:56.676 INFO [stderr]    |
Nov 30 00:25:56.676 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 30 00:25:56.676 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Nov 30 00:25:56.676 INFO [stderr]    |
Nov 30 00:25:56.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:25:56.676 INFO [stderr] 
Nov 30 00:25:56.676 INFO [stderr] warning: unused variable: `key`
Nov 30 00:25:56.676 INFO [stderr]   --> src/main.rs:75:26
Nov 30 00:25:56.676 INFO [stderr]    |
Nov 30 00:25:56.676 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 30 00:25:56.676 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Nov 30 00:25:56.676 INFO [stderr] 
Nov 30 00:25:56.676 INFO [stderr] warning: field is never used: `data`
Nov 30 00:25:56.677 INFO [stderr]  --> src/main.rs:2:5
Nov 30 00:25:56.677 INFO [stderr]   |
Nov 30 00:25:56.677 INFO [stderr] 2 |     data: Vec<Node<T>>,
Nov 30 00:25:56.677 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.677 INFO [stderr]   |
Nov 30 00:25:56.677 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 00:25:56.677 INFO [stderr] 
Nov 30 00:25:56.677 INFO [stderr] warning: field is never used: `root`
Nov 30 00:25:56.677 INFO [stderr]  --> src/main.rs:4:5
Nov 30 00:25:56.677 INFO [stderr]   |
Nov 30 00:25:56.677 INFO [stderr] 4 |     root: Option<usize>,
Nov 30 00:25:56.677 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.677 INFO [stderr] 
Nov 30 00:25:56.677 INFO [stderr] warning: field is never used: `key`
Nov 30 00:25:56.677 INFO [stderr]  --> src/main.rs:8:5
Nov 30 00:25:56.677 INFO [stderr]   |
Nov 30 00:25:56.677 INFO [stderr] 8 |     key: usize,
Nov 30 00:25:56.677 INFO [stderr]   |     ^^^^^^^^^^
Nov 30 00:25:56.677 INFO [stderr] 
Nov 30 00:25:56.677 INFO [stderr] warning: field is never used: `value`
Nov 30 00:25:56.677 INFO [stderr]  --> src/main.rs:9:5
Nov 30 00:25:56.677 INFO [stderr]   |
Nov 30 00:25:56.677 INFO [stderr] 9 |     value: T,
Nov 30 00:25:56.677 INFO [stderr]   |     ^^^^^^^^
Nov 30 00:25:56.677 INFO [stderr] 
Nov 30 00:25:56.677 INFO [stderr] warning: field is never used: `left`
Nov 30 00:25:56.677 INFO [stderr]   --> src/main.rs:10:5
Nov 30 00:25:56.677 INFO [stderr]    |
Nov 30 00:25:56.677 INFO [stderr] 10 |     left: Option<usize>,
Nov 30 00:25:56.677 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.677 INFO [stderr] 
Nov 30 00:25:56.680 INFO [stderr] warning: field is never used: `right`
Nov 30 00:25:56.680 INFO [stderr]   --> src/main.rs:11:5
Nov 30 00:25:56.680 INFO [stderr]    |
Nov 30 00:25:56.680 INFO [stderr] 11 |     right: Option<usize>,
Nov 30 00:25:56.680 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.680 INFO [stderr] 
Nov 30 00:25:56.680 INFO [stderr] warning: method is never used: `new`
Nov 30 00:25:56.680 INFO [stderr]   --> src/main.rs:18:5
Nov 30 00:25:56.680 INFO [stderr]    |
Nov 30 00:25:56.680 INFO [stderr] 18 |     fn new() {
Nov 30 00:25:56.680 INFO [stderr]    |     ^^^^^^^^
Nov 30 00:25:56.680 INFO [stderr] 
Nov 30 00:25:56.680 INFO [stderr] warning: method is never used: `find`
Nov 30 00:25:56.680 INFO [stderr]   --> src/main.rs:21:5
Nov 30 00:25:56.680 INFO [stderr]    |
Nov 30 00:25:56.680 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 30 00:25:56.680 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.680 INFO [stderr] 
Nov 30 00:25:56.680 INFO [stderr] warning: method is never used: `insert`
Nov 30 00:25:56.680 INFO [stderr]   --> src/main.rs:27:5
Nov 30 00:25:56.680 INFO [stderr]    |
Nov 30 00:25:56.681 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Nov 30 00:25:56.681 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.681 INFO [stderr] 
Nov 30 00:25:56.681 INFO [stderr] warning: method is never used: `delete`
Nov 30 00:25:56.681 INFO [stderr]   --> src/main.rs:75:5
Nov 30 00:25:56.681 INFO [stderr]    |
Nov 30 00:25:56.681 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 30 00:25:56.681 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:25:56.681 INFO [stderr] 
Nov 30 00:25:56.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 30 00:25:56.732 INFO [stderr] su: No module specific data is present
Nov 30 00:25:57.660 INFO running `"docker" "inspect" "36f31abcd7da1def7046ef2b7127a616781de324feef4eb965a30a57ca29a522"`
Nov 30 00:25:58.012 INFO running `"docker" "rm" "-f" "36f31abcd7da1def7046ef2b7127a616781de324feef4eb965a30a57ca29a522"`
Nov 30 00:25:58.294 INFO [stdout] 36f31abcd7da1def7046ef2b7127a616781de324feef4eb965a30a57ca29a522