Dec 01 13:04:42.677 INFO testing jzw2/rust-data-structures against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 13:04:42.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 13:04:43.199 INFO [stdout] 09374564d1582a799b93748cee612c9d40923055862fb2739ad818f97f8b047f
Dec 01 13:04:43.201 INFO running `"docker" "start" "-a" "09374564d1582a799b93748cee612c9d40923055862fb2739ad818f97f8b047f"`
Dec 01 13:04:44.227 INFO [stderr] usermod: no changes
Dec 01 13:04:44.267 INFO [stderr]    Compiling rust-datastructures v0.1.0 (/source)
Dec 01 13:04:44.599 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:44.599 INFO [stderr]   --> src/main.rs:21:20
Dec 01 13:04:44.599 INFO [stderr]    |
Dec 01 13:04:44.599 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:44.599 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Dec 01 13:04:44.599 INFO [stderr]    |
Dec 01 13:04:44.599 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 13:04:44.599 INFO [stderr] 
Dec 01 13:04:44.599 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:44.599 INFO [stderr]   --> src/main.rs:75:26
Dec 01 13:04:44.599 INFO [stderr]    |
Dec 01 13:04:44.599 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:44.599 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Dec 01 13:04:44.599 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: field is never used: `data`
Dec 01 13:04:44.603 INFO [stderr]  --> src/main.rs:2:5
Dec 01 13:04:44.603 INFO [stderr]   |
Dec 01 13:04:44.603 INFO [stderr] 2 |     data: Vec<Node<T>>,
Dec 01 13:04:44.603 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr]   |
Dec 01 13:04:44.603 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: field is never used: `root`
Dec 01 13:04:44.603 INFO [stderr]  --> src/main.rs:4:5
Dec 01 13:04:44.603 INFO [stderr]   |
Dec 01 13:04:44.603 INFO [stderr] 4 |     root: Option<usize>,
Dec 01 13:04:44.603 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: field is never used: `key`
Dec 01 13:04:44.603 INFO [stderr]  --> src/main.rs:8:5
Dec 01 13:04:44.603 INFO [stderr]   |
Dec 01 13:04:44.603 INFO [stderr] 8 |     key: usize,
Dec 01 13:04:44.603 INFO [stderr]   |     ^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: field is never used: `value`
Dec 01 13:04:44.603 INFO [stderr]  --> src/main.rs:9:5
Dec 01 13:04:44.603 INFO [stderr]   |
Dec 01 13:04:44.603 INFO [stderr] 9 |     value: T,
Dec 01 13:04:44.603 INFO [stderr]   |     ^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: field is never used: `left`
Dec 01 13:04:44.603 INFO [stderr]   --> src/main.rs:10:5
Dec 01 13:04:44.603 INFO [stderr]    |
Dec 01 13:04:44.603 INFO [stderr] 10 |     left: Option<usize>,
Dec 01 13:04:44.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: field is never used: `right`
Dec 01 13:04:44.603 INFO [stderr]   --> src/main.rs:11:5
Dec 01 13:04:44.603 INFO [stderr]    |
Dec 01 13:04:44.603 INFO [stderr] 11 |     right: Option<usize>,
Dec 01 13:04:44.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: method is never used: `new`
Dec 01 13:04:44.603 INFO [stderr]   --> src/main.rs:18:5
Dec 01 13:04:44.603 INFO [stderr]    |
Dec 01 13:04:44.603 INFO [stderr] 18 |     fn new() {
Dec 01 13:04:44.603 INFO [stderr]    |     ^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: method is never used: `find`
Dec 01 13:04:44.603 INFO [stderr]   --> src/main.rs:21:5
Dec 01 13:04:44.603 INFO [stderr]    |
Dec 01 13:04:44.603 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:44.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: method is never used: `insert`
Dec 01 13:04:44.603 INFO [stderr]   --> src/main.rs:27:5
Dec 01 13:04:44.603 INFO [stderr]    |
Dec 01 13:04:44.603 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Dec 01 13:04:44.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.603 INFO [stderr] warning: method is never used: `delete`
Dec 01 13:04:44.603 INFO [stderr]   --> src/main.rs:75:5
Dec 01 13:04:44.603 INFO [stderr]    |
Dec 01 13:04:44.603 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:44.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:44.603 INFO [stderr] 
Dec 01 13:04:44.997 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 01 13:04:44.998 INFO [stderr] su: No module specific data is present
Dec 01 13:04:45.607 INFO running `"docker" "inspect" "09374564d1582a799b93748cee612c9d40923055862fb2739ad818f97f8b047f"`
Dec 01 13:04:45.783 INFO running `"docker" "rm" "-f" "09374564d1582a799b93748cee612c9d40923055862fb2739ad818f97f8b047f"`
Dec 01 13:04:46.015 INFO [stdout] 09374564d1582a799b93748cee612c9d40923055862fb2739ad818f97f8b047f
Dec 01 13:04:46.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 13:04:46.623 INFO [stdout] eb8b5316f8023406dbd8697e39106a9bf52e55c6ec9373347d39ab9da4c3fdeb
Dec 01 13:04:46.631 INFO running `"docker" "start" "-a" "eb8b5316f8023406dbd8697e39106a9bf52e55c6ec9373347d39ab9da4c3fdeb"`
Dec 01 13:04:47.893 INFO [stderr] usermod: no changes
Dec 01 13:04:47.939 INFO [stderr]    Compiling rust-datastructures v0.1.0 (/source)
Dec 01 13:04:48.379 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:48.379 INFO [stderr]   --> src/main.rs:21:20
Dec 01 13:04:48.379 INFO [stderr]    |
Dec 01 13:04:48.379 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:48.379 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Dec 01 13:04:48.379 INFO [stderr]    |
Dec 01 13:04:48.379 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 13:04:48.379 INFO [stderr] 
Dec 01 13:04:48.379 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:48.379 INFO [stderr]   --> src/main.rs:75:26
Dec 01 13:04:48.379 INFO [stderr]    |
Dec 01 13:04:48.379 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:48.379 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Dec 01 13:04:48.379 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: field is never used: `data`
Dec 01 13:04:48.383 INFO [stderr]  --> src/main.rs:2:5
Dec 01 13:04:48.383 INFO [stderr]   |
Dec 01 13:04:48.383 INFO [stderr] 2 |     data: Vec<Node<T>>,
Dec 01 13:04:48.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr]   |
Dec 01 13:04:48.383 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: field is never used: `root`
Dec 01 13:04:48.383 INFO [stderr]  --> src/main.rs:4:5
Dec 01 13:04:48.383 INFO [stderr]   |
Dec 01 13:04:48.383 INFO [stderr] 4 |     root: Option<usize>,
Dec 01 13:04:48.383 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: field is never used: `key`
Dec 01 13:04:48.383 INFO [stderr]  --> src/main.rs:8:5
Dec 01 13:04:48.383 INFO [stderr]   |
Dec 01 13:04:48.383 INFO [stderr] 8 |     key: usize,
Dec 01 13:04:48.383 INFO [stderr]   |     ^^^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: field is never used: `value`
Dec 01 13:04:48.383 INFO [stderr]  --> src/main.rs:9:5
Dec 01 13:04:48.383 INFO [stderr]   |
Dec 01 13:04:48.383 INFO [stderr] 9 |     value: T,
Dec 01 13:04:48.383 INFO [stderr]   |     ^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: field is never used: `left`
Dec 01 13:04:48.383 INFO [stderr]   --> src/main.rs:10:5
Dec 01 13:04:48.383 INFO [stderr]    |
Dec 01 13:04:48.383 INFO [stderr] 10 |     left: Option<usize>,
Dec 01 13:04:48.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: field is never used: `right`
Dec 01 13:04:48.383 INFO [stderr]   --> src/main.rs:11:5
Dec 01 13:04:48.383 INFO [stderr]    |
Dec 01 13:04:48.383 INFO [stderr] 11 |     right: Option<usize>,
Dec 01 13:04:48.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: method is never used: `new`
Dec 01 13:04:48.383 INFO [stderr]   --> src/main.rs:18:5
Dec 01 13:04:48.383 INFO [stderr]    |
Dec 01 13:04:48.383 INFO [stderr] 18 |     fn new() {
Dec 01 13:04:48.383 INFO [stderr]    |     ^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: method is never used: `find`
Dec 01 13:04:48.383 INFO [stderr]   --> src/main.rs:21:5
Dec 01 13:04:48.383 INFO [stderr]    |
Dec 01 13:04:48.383 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:48.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.383 INFO [stderr] 
Dec 01 13:04:48.383 INFO [stderr] warning: method is never used: `insert`
Dec 01 13:04:48.383 INFO [stderr]   --> src/main.rs:27:5
Dec 01 13:04:48.384 INFO [stderr]    |
Dec 01 13:04:48.384 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Dec 01 13:04:48.384 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.384 INFO [stderr] 
Dec 01 13:04:48.384 INFO [stderr] warning: method is never used: `delete`
Dec 01 13:04:48.384 INFO [stderr]   --> src/main.rs:75:5
Dec 01 13:04:48.384 INFO [stderr]    |
Dec 01 13:04:48.384 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:48.384 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:48.384 INFO [stderr] 
Dec 01 13:04:48.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 01 13:04:48.927 INFO [stderr] su: No module specific data is present
Dec 01 13:04:49.832 INFO running `"docker" "inspect" "eb8b5316f8023406dbd8697e39106a9bf52e55c6ec9373347d39ab9da4c3fdeb"`
Dec 01 13:04:50.065 INFO running `"docker" "rm" "-f" "eb8b5316f8023406dbd8697e39106a9bf52e55c6ec9373347d39ab9da4c3fdeb"`
Dec 01 13:04:50.352 INFO [stdout] eb8b5316f8023406dbd8697e39106a9bf52e55c6ec9373347d39ab9da4c3fdeb
Dec 01 13:04:50.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 13:04:50.790 INFO [stdout] 5c2c2d584c2c2b59011afd87bad998de853ab7d3d7a94dd28a293ba0c61b78af
Dec 01 13:04:50.792 INFO running `"docker" "start" "-a" "5c2c2d584c2c2b59011afd87bad998de853ab7d3d7a94dd28a293ba0c61b78af"`
Dec 01 13:04:51.799 INFO [stderr] usermod: no changes
Dec 01 13:04:51.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 01 13:04:51.839 INFO [stderr]      Running /target/debug/deps/rust_datastructures-7bced0b6f4bc8b86
Dec 01 13:04:51.847 INFO [stdout] 
Dec 01 13:04:51.847 INFO [stdout] running 0 tests
Dec 01 13:04:51.847 INFO [stdout] 
Dec 01 13:04:51.847 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 13:04:51.847 INFO [stdout] 
Dec 01 13:04:51.849 INFO [stderr] su: No module specific data is present
Dec 01 13:04:52.367 INFO running `"docker" "inspect" "5c2c2d584c2c2b59011afd87bad998de853ab7d3d7a94dd28a293ba0c61b78af"`
Dec 01 13:04:52.584 INFO running `"docker" "rm" "-f" "5c2c2d584c2c2b59011afd87bad998de853ab7d3d7a94dd28a293ba0c61b78af"`
Dec 01 13:04:52.879 INFO [stdout] 5c2c2d584c2c2b59011afd87bad998de853ab7d3d7a94dd28a293ba0c61b78af
