Nov 16 22:58:20.124 INFO testing jzw2/rust-data-structures against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 22:58:20.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 22:58:20.437 INFO [stdout] 4b2ffaf5c4faea1571483c104c8f811eab4364140739fd3b046b6829ac89898a
Nov 16 22:58:20.447 INFO running `"docker" "start" "-a" "4b2ffaf5c4faea1571483c104c8f811eab4364140739fd3b046b6829ac89898a"`
Nov 16 22:58:21.290 INFO [stderr] usermod: no changes
Nov 16 22:58:21.359 INFO [stderr]    Compiling rust-datastructures v0.1.0 (/source)
Nov 16 22:58:21.605 INFO [stderr] warning: unused variable: `key`
Nov 16 22:58:21.605 INFO [stderr]   --> src/main.rs:21:20
Nov 16 22:58:21.605 INFO [stderr]    |
Nov 16 22:58:21.605 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 16 22:58:21.605 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Nov 16 22:58:21.605 INFO [stderr]    |
Nov 16 22:58:21.606 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 22:58:21.606 INFO [stderr] 
Nov 16 22:58:21.606 INFO [stderr] warning: unused variable: `key`
Nov 16 22:58:21.606 INFO [stderr]   --> src/main.rs:75:26
Nov 16 22:58:21.606 INFO [stderr]    |
Nov 16 22:58:21.606 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 16 22:58:21.606 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Nov 16 22:58:21.606 INFO [stderr] 
Nov 16 22:58:21.609 INFO [stderr] warning: field is never used: `data`
Nov 16 22:58:21.609 INFO [stderr]  --> src/main.rs:2:5
Nov 16 22:58:21.609 INFO [stderr]   |
Nov 16 22:58:21.609 INFO [stderr] 2 |     data: Vec<Node<T>>,
Nov 16 22:58:21.609 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.609 INFO [stderr]   |
Nov 16 22:58:21.609 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 22:58:21.609 INFO [stderr] 
Nov 16 22:58:21.609 INFO [stderr] warning: field is never used: `root`
Nov 16 22:58:21.609 INFO [stderr]  --> src/main.rs:4:5
Nov 16 22:58:21.609 INFO [stderr]   |
Nov 16 22:58:21.609 INFO [stderr] 4 |     root: Option<usize>,
Nov 16 22:58:21.609 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.609 INFO [stderr] 
Nov 16 22:58:21.609 INFO [stderr] warning: field is never used: `key`
Nov 16 22:58:21.610 INFO [stderr]  --> src/main.rs:8:5
Nov 16 22:58:21.610 INFO [stderr]   |
Nov 16 22:58:21.610 INFO [stderr] 8 |     key: usize,
Nov 16 22:58:21.610 INFO [stderr]   |     ^^^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: field is never used: `value`
Nov 16 22:58:21.610 INFO [stderr]  --> src/main.rs:9:5
Nov 16 22:58:21.610 INFO [stderr]   |
Nov 16 22:58:21.610 INFO [stderr] 9 |     value: T,
Nov 16 22:58:21.610 INFO [stderr]   |     ^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: field is never used: `left`
Nov 16 22:58:21.610 INFO [stderr]   --> src/main.rs:10:5
Nov 16 22:58:21.610 INFO [stderr]    |
Nov 16 22:58:21.610 INFO [stderr] 10 |     left: Option<usize>,
Nov 16 22:58:21.610 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: field is never used: `right`
Nov 16 22:58:21.610 INFO [stderr]   --> src/main.rs:11:5
Nov 16 22:58:21.610 INFO [stderr]    |
Nov 16 22:58:21.610 INFO [stderr] 11 |     right: Option<usize>,
Nov 16 22:58:21.610 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: method is never used: `new`
Nov 16 22:58:21.610 INFO [stderr]   --> src/main.rs:18:5
Nov 16 22:58:21.610 INFO [stderr]    |
Nov 16 22:58:21.610 INFO [stderr] 18 |     fn new() {
Nov 16 22:58:21.610 INFO [stderr]    |     ^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: method is never used: `find`
Nov 16 22:58:21.610 INFO [stderr]   --> src/main.rs:21:5
Nov 16 22:58:21.610 INFO [stderr]    |
Nov 16 22:58:21.610 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 16 22:58:21.610 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: method is never used: `insert`
Nov 16 22:58:21.610 INFO [stderr]   --> src/main.rs:27:5
Nov 16 22:58:21.610 INFO [stderr]    |
Nov 16 22:58:21.610 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Nov 16 22:58:21.610 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.610 INFO [stderr] 
Nov 16 22:58:21.610 INFO [stderr] warning: method is never used: `delete`
Nov 16 22:58:21.611 INFO [stderr]   --> src/main.rs:75:5
Nov 16 22:58:21.611 INFO [stderr]    |
Nov 16 22:58:21.611 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 16 22:58:21.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:21.611 INFO [stderr] 
Nov 16 22:58:21.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Nov 16 22:58:21.889 INFO [stderr] su: No module specific data is present
Nov 16 22:58:22.634 INFO running `"docker" "inspect" "4b2ffaf5c4faea1571483c104c8f811eab4364140739fd3b046b6829ac89898a"`
Nov 16 22:58:22.945 INFO running `"docker" "rm" "-f" "4b2ffaf5c4faea1571483c104c8f811eab4364140739fd3b046b6829ac89898a"`
Nov 16 22:58:23.227 INFO [stdout] 4b2ffaf5c4faea1571483c104c8f811eab4364140739fd3b046b6829ac89898a
Nov 16 22:58:23.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 22:58:23.609 INFO [stdout] e2bcef34cf33c60bd03825f612784005f0818ac95c71e8a28a555481b553c239
Nov 16 22:58:23.619 INFO running `"docker" "start" "-a" "e2bcef34cf33c60bd03825f612784005f0818ac95c71e8a28a555481b553c239"`
Nov 16 22:58:24.371 INFO [stderr] usermod: no changes
Nov 16 22:58:24.471 INFO [stderr]    Compiling rust-datastructures v0.1.0 (/source)
Nov 16 22:58:24.863 INFO [stderr] warning: unused variable: `key`
Nov 16 22:58:24.863 INFO [stderr]   --> src/main.rs:21:20
Nov 16 22:58:24.863 INFO [stderr]    |
Nov 16 22:58:24.863 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 16 22:58:24.863 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Nov 16 22:58:24.863 INFO [stderr]    |
Nov 16 22:58:24.863 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 22:58:24.863 INFO [stderr] 
Nov 16 22:58:24.863 INFO [stderr] warning: unused variable: `key`
Nov 16 22:58:24.863 INFO [stderr]   --> src/main.rs:75:26
Nov 16 22:58:24.863 INFO [stderr]    |
Nov 16 22:58:24.863 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 16 22:58:24.863 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Nov 16 22:58:24.863 INFO [stderr] 
Nov 16 22:58:24.875 INFO [stderr] warning: field is never used: `data`
Nov 16 22:58:24.875 INFO [stderr]  --> src/main.rs:2:5
Nov 16 22:58:24.875 INFO [stderr]   |
Nov 16 22:58:24.875 INFO [stderr] 2 |     data: Vec<Node<T>>,
Nov 16 22:58:24.875 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.875 INFO [stderr]   |
Nov 16 22:58:24.875 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 22:58:24.875 INFO [stderr] 
Nov 16 22:58:24.875 INFO [stderr] warning: field is never used: `root`
Nov 16 22:58:24.875 INFO [stderr]  --> src/main.rs:4:5
Nov 16 22:58:24.875 INFO [stderr]   |
Nov 16 22:58:24.875 INFO [stderr] 4 |     root: Option<usize>,
Nov 16 22:58:24.875 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.875 INFO [stderr] 
Nov 16 22:58:24.875 INFO [stderr] warning: field is never used: `key`
Nov 16 22:58:24.875 INFO [stderr]  --> src/main.rs:8:5
Nov 16 22:58:24.875 INFO [stderr]   |
Nov 16 22:58:24.875 INFO [stderr] 8 |     key: usize,
Nov 16 22:58:24.875 INFO [stderr]   |     ^^^^^^^^^^
Nov 16 22:58:24.875 INFO [stderr] 
Nov 16 22:58:24.875 INFO [stderr] warning: field is never used: `value`
Nov 16 22:58:24.875 INFO [stderr]  --> src/main.rs:9:5
Nov 16 22:58:24.875 INFO [stderr]   |
Nov 16 22:58:24.875 INFO [stderr] 9 |     value: T,
Nov 16 22:58:24.875 INFO [stderr]   |     ^^^^^^^^
Nov 16 22:58:24.875 INFO [stderr] 
Nov 16 22:58:24.876 INFO [stderr] warning: field is never used: `left`
Nov 16 22:58:24.876 INFO [stderr]   --> src/main.rs:10:5
Nov 16 22:58:24.876 INFO [stderr]    |
Nov 16 22:58:24.876 INFO [stderr] 10 |     left: Option<usize>,
Nov 16 22:58:24.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.876 INFO [stderr] 
Nov 16 22:58:24.876 INFO [stderr] warning: field is never used: `right`
Nov 16 22:58:24.876 INFO [stderr]   --> src/main.rs:11:5
Nov 16 22:58:24.876 INFO [stderr]    |
Nov 16 22:58:24.876 INFO [stderr] 11 |     right: Option<usize>,
Nov 16 22:58:24.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.876 INFO [stderr] 
Nov 16 22:58:24.876 INFO [stderr] warning: method is never used: `new`
Nov 16 22:58:24.876 INFO [stderr]   --> src/main.rs:18:5
Nov 16 22:58:24.876 INFO [stderr]    |
Nov 16 22:58:24.876 INFO [stderr] 18 |     fn new() {
Nov 16 22:58:24.876 INFO [stderr]    |     ^^^^^^^^
Nov 16 22:58:24.876 INFO [stderr] 
Nov 16 22:58:24.876 INFO [stderr] warning: method is never used: `find`
Nov 16 22:58:24.876 INFO [stderr]   --> src/main.rs:21:5
Nov 16 22:58:24.876 INFO [stderr]    |
Nov 16 22:58:24.876 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Nov 16 22:58:24.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.876 INFO [stderr] 
Nov 16 22:58:24.876 INFO [stderr] warning: method is never used: `insert`
Nov 16 22:58:24.876 INFO [stderr]   --> src/main.rs:27:5
Nov 16 22:58:24.876 INFO [stderr]    |
Nov 16 22:58:24.876 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Nov 16 22:58:24.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.876 INFO [stderr] 
Nov 16 22:58:24.876 INFO [stderr] warning: method is never used: `delete`
Nov 16 22:58:24.876 INFO [stderr]   --> src/main.rs:75:5
Nov 16 22:58:24.876 INFO [stderr]    |
Nov 16 22:58:24.876 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Nov 16 22:58:24.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:58:24.876 INFO [stderr] 
Nov 16 22:58:25.139 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Nov 16 22:58:25.139 INFO [stderr] su: No module specific data is present
Nov 16 22:58:25.983 INFO running `"docker" "inspect" "e2bcef34cf33c60bd03825f612784005f0818ac95c71e8a28a555481b553c239"`
Nov 16 22:58:26.333 INFO running `"docker" "rm" "-f" "e2bcef34cf33c60bd03825f612784005f0818ac95c71e8a28a555481b553c239"`
Nov 16 22:58:26.702 INFO [stdout] e2bcef34cf33c60bd03825f612784005f0818ac95c71e8a28a555481b553c239
Nov 16 22:58:26.706 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 22:58:27.189 INFO [stdout] de7a87da3423a00c308ec0d8b9ba7861a575525d47bdd18c75e9af76eb29a5ad
Nov 16 22:58:27.190 INFO running `"docker" "start" "-a" "de7a87da3423a00c308ec0d8b9ba7861a575525d47bdd18c75e9af76eb29a5ad"`
Nov 16 22:58:28.081 INFO [stderr] usermod: no changes
Nov 16 22:58:28.130 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 22:58:28.147 INFO [stderr]      Running /target/debug/deps/rust_datastructures-c9b9c845a203829f
Nov 16 22:58:28.148 INFO [stdout] 
Nov 16 22:58:28.148 INFO [stderr] su: No module specific data is present
Nov 16 22:58:28.148 INFO [stdout] running 0 tests
Nov 16 22:58:28.149 INFO [stdout] 
Nov 16 22:58:28.149 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 22:58:28.149 INFO [stdout] 
Nov 16 22:58:28.540 INFO running `"docker" "inspect" "de7a87da3423a00c308ec0d8b9ba7861a575525d47bdd18c75e9af76eb29a5ad"`
Nov 16 22:58:28.674 INFO running `"docker" "rm" "-f" "de7a87da3423a00c308ec0d8b9ba7861a575525d47bdd18c75e9af76eb29a5ad"`
Nov 16 22:58:28.839 INFO [stdout] de7a87da3423a00c308ec0d8b9ba7861a575525d47bdd18c75e9af76eb29a5ad