Dec 04 16:09:36.408 INFO checking jzw2/rust-data-structures against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:09:36.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 16:09:36.937 INFO [stdout] d2447076c38aafaf1bfde96f1bf09b1d1b8abe18bc89e24c2830c3e2f4b5e438
Dec 04 16:09:36.939 INFO running `"docker" "start" "-a" "d2447076c38aafaf1bfde96f1bf09b1d1b8abe18bc89e24c2830c3e2f4b5e438"`
Dec 04 16:09:39.370 INFO [stderr] usermod: no changes
Dec 04 16:09:39.459 INFO [stderr]     Checking rust-datastructures v0.1.0 (/source)
Dec 04 16:09:40.023 INFO [stderr] warning: unused variable: `key`
Dec 04 16:09:40.023 INFO [stderr]   --> src/main.rs:21:20
Dec 04 16:09:40.023 INFO [stderr]    |
Dec 04 16:09:40.024 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 04 16:09:40.024 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Dec 04 16:09:40.024 INFO [stderr]    |
Dec 04 16:09:40.024 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:09:40.024 INFO [stderr] 
Dec 04 16:09:40.025 INFO [stderr] warning: unused variable: `key`
Dec 04 16:09:40.025 INFO [stderr]   --> src/main.rs:75:26
Dec 04 16:09:40.025 INFO [stderr]    |
Dec 04 16:09:40.025 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 04 16:09:40.025 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Dec 04 16:09:40.026 INFO [stderr] 
Dec 04 16:09:40.026 INFO [stderr] warning: field is never used: `data`
Dec 04 16:09:40.026 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:09:40.026 INFO [stderr]   |
Dec 04 16:09:40.026 INFO [stderr] 2 |     data: Vec<Node<T>>,
Dec 04 16:09:40.027 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.027 INFO [stderr]   |
Dec 04 16:09:40.027 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:09:40.027 INFO [stderr] 
Dec 04 16:09:40.027 INFO [stderr] warning: field is never used: `root`
Dec 04 16:09:40.028 INFO [stderr]  --> src/main.rs:4:5
Dec 04 16:09:40.028 INFO [stderr]   |
Dec 04 16:09:40.028 INFO [stderr] 4 |     root: Option<usize>,
Dec 04 16:09:40.028 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.028 INFO [stderr] 
Dec 04 16:09:40.028 INFO [stderr] warning: field is never used: `key`
Dec 04 16:09:40.028 INFO [stderr]  --> src/main.rs:8:5
Dec 04 16:09:40.028 INFO [stderr]   |
Dec 04 16:09:40.028 INFO [stderr] 8 |     key: usize,
Dec 04 16:09:40.028 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 16:09:40.028 INFO [stderr] 
Dec 04 16:09:40.028 INFO [stderr] warning: field is never used: `value`
Dec 04 16:09:40.028 INFO [stderr]  --> src/main.rs:9:5
Dec 04 16:09:40.028 INFO [stderr]   |
Dec 04 16:09:40.028 INFO [stderr] 9 |     value: T,
Dec 04 16:09:40.028 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:09:40.028 INFO [stderr] 
Dec 04 16:09:40.028 INFO [stderr] warning: field is never used: `left`
Dec 04 16:09:40.028 INFO [stderr]   --> src/main.rs:10:5
Dec 04 16:09:40.028 INFO [stderr]    |
Dec 04 16:09:40.028 INFO [stderr] 10 |     left: Option<usize>,
Dec 04 16:09:40.028 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.028 INFO [stderr] 
Dec 04 16:09:40.028 INFO [stderr] warning: field is never used: `right`
Dec 04 16:09:40.028 INFO [stderr]   --> src/main.rs:11:5
Dec 04 16:09:40.028 INFO [stderr]    |
Dec 04 16:09:40.028 INFO [stderr] 11 |     right: Option<usize>,
Dec 04 16:09:40.028 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.028 INFO [stderr] 
Dec 04 16:09:40.028 INFO [stderr] warning: method is never used: `new`
Dec 04 16:09:40.028 INFO [stderr]   --> src/main.rs:18:5
Dec 04 16:09:40.028 INFO [stderr]    |
Dec 04 16:09:40.028 INFO [stderr] 18 |     fn new() {
Dec 04 16:09:40.028 INFO [stderr]    |     ^^^^^^^^
Dec 04 16:09:40.028 INFO [stderr] 
Dec 04 16:09:40.028 INFO [stderr] warning: method is never used: `find`
Dec 04 16:09:40.028 INFO [stderr]   --> src/main.rs:21:5
Dec 04 16:09:40.029 INFO [stderr]    |
Dec 04 16:09:40.029 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 04 16:09:40.029 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.029 INFO [stderr] 
Dec 04 16:09:40.029 INFO [stderr] warning: method is never used: `insert`
Dec 04 16:09:40.029 INFO [stderr]   --> src/main.rs:27:5
Dec 04 16:09:40.029 INFO [stderr]    |
Dec 04 16:09:40.029 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Dec 04 16:09:40.029 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.029 INFO [stderr] 
Dec 04 16:09:40.029 INFO [stderr] warning: method is never used: `delete`
Dec 04 16:09:40.029 INFO [stderr]   --> src/main.rs:75:5
Dec 04 16:09:40.029 INFO [stderr]    |
Dec 04 16:09:40.029 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 04 16:09:40.029 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.029 INFO [stderr] 
Dec 04 16:09:40.072 INFO [stderr] warning: unused variable: `key`
Dec 04 16:09:40.072 INFO [stderr]   --> src/main.rs:21:20
Dec 04 16:09:40.072 INFO [stderr]    |
Dec 04 16:09:40.072 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 04 16:09:40.072 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Dec 04 16:09:40.072 INFO [stderr]    |
Dec 04 16:09:40.072 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:09:40.072 INFO [stderr] 
Dec 04 16:09:40.072 INFO [stderr] warning: unused variable: `key`
Dec 04 16:09:40.079 INFO [stderr]   --> src/main.rs:75:26
Dec 04 16:09:40.079 INFO [stderr]    |
Dec 04 16:09:40.079 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 04 16:09:40.079 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Dec 04 16:09:40.079 INFO [stderr] 
Dec 04 16:09:40.083 INFO [stderr] warning: field is never used: `data`
Dec 04 16:09:40.083 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:09:40.083 INFO [stderr]   |
Dec 04 16:09:40.083 INFO [stderr] 2 |     data: Vec<Node<T>>,
Dec 04 16:09:40.083 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.083 INFO [stderr]   |
Dec 04 16:09:40.083 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:09:40.083 INFO [stderr] 
Dec 04 16:09:40.083 INFO [stderr] warning: field is never used: `root`
Dec 04 16:09:40.083 INFO [stderr]  --> src/main.rs:4:5
Dec 04 16:09:40.083 INFO [stderr]   |
Dec 04 16:09:40.083 INFO [stderr] 4 |     root: Option<usize>,
Dec 04 16:09:40.083 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.083 INFO [stderr] 
Dec 04 16:09:40.083 INFO [stderr] warning: field is never used: `key`
Dec 04 16:09:40.083 INFO [stderr]  --> src/main.rs:8:5
Dec 04 16:09:40.083 INFO [stderr]   |
Dec 04 16:09:40.083 INFO [stderr] 8 |     key: usize,
Dec 04 16:09:40.083 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 16:09:40.083 INFO [stderr] 
Dec 04 16:09:40.083 INFO [stderr] warning: field is never used: `value`
Dec 04 16:09:40.083 INFO [stderr]  --> src/main.rs:9:5
Dec 04 16:09:40.083 INFO [stderr]   |
Dec 04 16:09:40.083 INFO [stderr] 9 |     value: T,
Dec 04 16:09:40.083 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:09:40.083 INFO [stderr] 
Dec 04 16:09:40.084 INFO [stderr] warning: field is never used: `left`
Dec 04 16:09:40.084 INFO [stderr]   --> src/main.rs:10:5
Dec 04 16:09:40.084 INFO [stderr]    |
Dec 04 16:09:40.084 INFO [stderr] 10 |     left: Option<usize>,
Dec 04 16:09:40.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.084 INFO [stderr] 
Dec 04 16:09:40.084 INFO [stderr] warning: field is never used: `right`
Dec 04 16:09:40.084 INFO [stderr]   --> src/main.rs:11:5
Dec 04 16:09:40.085 INFO [stderr]    |
Dec 04 16:09:40.085 INFO [stderr] 11 |     right: Option<usize>,
Dec 04 16:09:40.085 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.085 INFO [stderr] 
Dec 04 16:09:40.086 INFO [stderr] warning: method is never used: `new`
Dec 04 16:09:40.086 INFO [stderr]   --> src/main.rs:18:5
Dec 04 16:09:40.086 INFO [stderr]    |
Dec 04 16:09:40.086 INFO [stderr] 18 |     fn new() {
Dec 04 16:09:40.087 INFO [stderr]    |     ^^^^^^^^
Dec 04 16:09:40.087 INFO [stderr] 
Dec 04 16:09:40.087 INFO [stderr] warning: method is never used: `find`
Dec 04 16:09:40.088 INFO [stderr]   --> src/main.rs:21:5
Dec 04 16:09:40.088 INFO [stderr]    |
Dec 04 16:09:40.088 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 04 16:09:40.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.089 INFO [stderr] 
Dec 04 16:09:40.089 INFO [stderr] warning: method is never used: `insert`
Dec 04 16:09:40.089 INFO [stderr]   --> src/main.rs:27:5
Dec 04 16:09:40.089 INFO [stderr]    |
Dec 04 16:09:40.090 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Dec 04 16:09:40.090 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.090 INFO [stderr] 
Dec 04 16:09:40.090 INFO [stderr] warning: method is never used: `delete`
Dec 04 16:09:40.091 INFO [stderr]   --> src/main.rs:75:5
Dec 04 16:09:40.091 INFO [stderr]    |
Dec 04 16:09:40.091 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 04 16:09:40.091 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:09:40.092 INFO [stderr] 
Dec 04 16:09:40.112 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 04 16:09:40.114 INFO [stderr] su: No module specific data is present
Dec 04 16:09:41.423 INFO running `"docker" "inspect" "d2447076c38aafaf1bfde96f1bf09b1d1b8abe18bc89e24c2830c3e2f4b5e438"`
Dec 04 16:09:41.771 INFO running `"docker" "rm" "-f" "d2447076c38aafaf1bfde96f1bf09b1d1b8abe18bc89e24c2830c3e2f4b5e438"`
Dec 04 16:09:42.123 INFO [stdout] d2447076c38aafaf1bfde96f1bf09b1d1b8abe18bc89e24c2830c3e2f4b5e438