Dec 01 13:04:44.992 INFO testing jzw2/rust-data-structures against 1.30.1 for beta-1.31-5
Dec 01 13:04:44.992 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 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 13:04:45.371 INFO [stdout] ac56cd78d0a6098ce4c9abc7930b9d4f306cf8d7dbe338d81fd0ca147f1f520f
Dec 01 13:04:45.374 INFO running `"docker" "start" "-a" "ac56cd78d0a6098ce4c9abc7930b9d4f306cf8d7dbe338d81fd0ca147f1f520f"`
Dec 01 13:04:46.617 INFO [stderr] usermod: no changes
Dec 01 13:04:46.676 INFO [stderr]    Compiling rust-datastructures v0.1.0 (/source)
Dec 01 13:04:47.127 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:21:20
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:47.127 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:75:26
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:47.127 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: field is never used: `data`
Dec 01 13:04:47.127 INFO [stderr]  --> src/main.rs:2:5
Dec 01 13:04:47.127 INFO [stderr]   |
Dec 01 13:04:47.127 INFO [stderr] 2 |     data: Vec<Node<T>>,
Dec 01 13:04:47.127 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr]   |
Dec 01 13:04:47.127 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: field is never used: `root`
Dec 01 13:04:47.127 INFO [stderr]  --> src/main.rs:4:5
Dec 01 13:04:47.127 INFO [stderr]   |
Dec 01 13:04:47.127 INFO [stderr] 4 |     root: Option<usize>,
Dec 01 13:04:47.127 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: field is never used: `key`
Dec 01 13:04:47.127 INFO [stderr]  --> src/main.rs:8:5
Dec 01 13:04:47.127 INFO [stderr]   |
Dec 01 13:04:47.127 INFO [stderr] 8 |     key: usize,
Dec 01 13:04:47.127 INFO [stderr]   |     ^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: field is never used: `value`
Dec 01 13:04:47.127 INFO [stderr]  --> src/main.rs:9:5
Dec 01 13:04:47.127 INFO [stderr]   |
Dec 01 13:04:47.127 INFO [stderr] 9 |     value: T,
Dec 01 13:04:47.127 INFO [stderr]   |     ^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: field is never used: `left`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:10:5
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 10 |     left: Option<usize>,
Dec 01 13:04:47.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: field is never used: `right`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:11:5
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 11 |     right: Option<usize>,
Dec 01 13:04:47.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: method is never used: `new`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:18:5
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 18 |     fn new() {
Dec 01 13:04:47.127 INFO [stderr]    |     ^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: method is never used: `find`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:21:5
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:47.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: method is never used: `insert`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:27:5
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Dec 01 13:04:47.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.127 INFO [stderr] warning: method is never used: `delete`
Dec 01 13:04:47.127 INFO [stderr]   --> src/main.rs:75:5
Dec 01 13:04:47.127 INFO [stderr]    |
Dec 01 13:04:47.127 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:47.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:47.127 INFO [stderr] 
Dec 01 13:04:47.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 01 13:04:47.459 INFO [stderr] su: No module specific data is present
Dec 01 13:04:48.112 INFO running `"docker" "inspect" "ac56cd78d0a6098ce4c9abc7930b9d4f306cf8d7dbe338d81fd0ca147f1f520f"`
Dec 01 13:04:48.453 INFO running `"docker" "rm" "-f" "ac56cd78d0a6098ce4c9abc7930b9d4f306cf8d7dbe338d81fd0ca147f1f520f"`
Dec 01 13:04:48.791 INFO [stdout] ac56cd78d0a6098ce4c9abc7930b9d4f306cf8d7dbe338d81fd0ca147f1f520f
Dec 01 13:04:48.804 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 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 13:04:49.313 INFO [stdout] 6f7b719556e4b1f24ed2ceac409e74c2f7bb0eb189dce1310d63413f34a26c0e
Dec 01 13:04:49.315 INFO running `"docker" "start" "-a" "6f7b719556e4b1f24ed2ceac409e74c2f7bb0eb189dce1310d63413f34a26c0e"`
Dec 01 13:04:50.411 INFO [stderr] usermod: no changes
Dec 01 13:04:50.456 INFO [stderr]    Compiling rust-datastructures v0.1.0 (/source)
Dec 01 13:04:50.867 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:50.867 INFO [stderr]   --> src/main.rs:21:20
Dec 01 13:04:50.867 INFO [stderr]    |
Dec 01 13:04:50.867 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:50.867 INFO [stderr]    |                    ^^^ help: consider using `_key` instead
Dec 01 13:04:50.867 INFO [stderr]    |
Dec 01 13:04:50.867 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 13:04:50.867 INFO [stderr] 
Dec 01 13:04:50.867 INFO [stderr] warning: unused variable: `key`
Dec 01 13:04:50.867 INFO [stderr]   --> src/main.rs:75:26
Dec 01 13:04:50.867 INFO [stderr]    |
Dec 01 13:04:50.867 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:50.867 INFO [stderr]    |                          ^^^ help: consider using `_key` instead
Dec 01 13:04:50.867 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: field is never used: `data`
Dec 01 13:04:50.871 INFO [stderr]  --> src/main.rs:2:5
Dec 01 13:04:50.871 INFO [stderr]   |
Dec 01 13:04:50.871 INFO [stderr] 2 |     data: Vec<Node<T>>,
Dec 01 13:04:50.871 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr]   |
Dec 01 13:04:50.871 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: field is never used: `root`
Dec 01 13:04:50.871 INFO [stderr]  --> src/main.rs:4:5
Dec 01 13:04:50.871 INFO [stderr]   |
Dec 01 13:04:50.871 INFO [stderr] 4 |     root: Option<usize>,
Dec 01 13:04:50.871 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: field is never used: `key`
Dec 01 13:04:50.871 INFO [stderr]  --> src/main.rs:8:5
Dec 01 13:04:50.871 INFO [stderr]   |
Dec 01 13:04:50.871 INFO [stderr] 8 |     key: usize,
Dec 01 13:04:50.871 INFO [stderr]   |     ^^^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: field is never used: `value`
Dec 01 13:04:50.871 INFO [stderr]  --> src/main.rs:9:5
Dec 01 13:04:50.871 INFO [stderr]   |
Dec 01 13:04:50.871 INFO [stderr] 9 |     value: T,
Dec 01 13:04:50.871 INFO [stderr]   |     ^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: field is never used: `left`
Dec 01 13:04:50.871 INFO [stderr]   --> src/main.rs:10:5
Dec 01 13:04:50.871 INFO [stderr]    |
Dec 01 13:04:50.871 INFO [stderr] 10 |     left: Option<usize>,
Dec 01 13:04:50.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: field is never used: `right`
Dec 01 13:04:50.871 INFO [stderr]   --> src/main.rs:11:5
Dec 01 13:04:50.871 INFO [stderr]    |
Dec 01 13:04:50.871 INFO [stderr] 11 |     right: Option<usize>,
Dec 01 13:04:50.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: method is never used: `new`
Dec 01 13:04:50.871 INFO [stderr]   --> src/main.rs:18:5
Dec 01 13:04:50.871 INFO [stderr]    |
Dec 01 13:04:50.871 INFO [stderr] 18 |     fn new() {
Dec 01 13:04:50.871 INFO [stderr]    |     ^^^^^^^^
Dec 01 13:04:50.871 INFO [stderr] 
Dec 01 13:04:50.871 INFO [stderr] warning: method is never used: `find`
Dec 01 13:04:50.871 INFO [stderr]   --> src/main.rs:21:5
Dec 01 13:04:50.871 INFO [stderr]    |
Dec 01 13:04:50.871 INFO [stderr] 21 |     fn find(&self, key: usize) -> Option<&T> {
Dec 01 13:04:50.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.875 INFO [stderr] 
Dec 01 13:04:50.875 INFO [stderr] warning: method is never used: `insert`
Dec 01 13:04:50.875 INFO [stderr]   --> src/main.rs:27:5
Dec 01 13:04:50.875 INFO [stderr]    |
Dec 01 13:04:50.875 INFO [stderr] 27 |     fn insert(&mut self, key: usize, value: T) {
Dec 01 13:04:50.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.875 INFO [stderr] 
Dec 01 13:04:50.875 INFO [stderr] warning: method is never used: `delete`
Dec 01 13:04:50.875 INFO [stderr]   --> src/main.rs:75:5
Dec 01 13:04:50.875 INFO [stderr]    |
Dec 01 13:04:50.875 INFO [stderr] 75 |     fn delete(&mut self, key: usize) {
Dec 01 13:04:50.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:50.875 INFO [stderr] 
Dec 01 13:04:51.321 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 01 13:04:51.323 INFO [stderr] su: No module specific data is present
Dec 01 13:04:51.872 INFO running `"docker" "inspect" "6f7b719556e4b1f24ed2ceac409e74c2f7bb0eb189dce1310d63413f34a26c0e"`
Dec 01 13:04:52.071 INFO running `"docker" "rm" "-f" "6f7b719556e4b1f24ed2ceac409e74c2f7bb0eb189dce1310d63413f34a26c0e"`
Dec 01 13:04:52.303 INFO [stdout] 6f7b719556e4b1f24ed2ceac409e74c2f7bb0eb189dce1310d63413f34a26c0e
Dec 01 13:04:52.311 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 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 13:04:52.616 INFO [stdout] a80dfdaa0543df1e464757e066fa92b2256af18f62b42a322cf549a8c81ee0bc
Dec 01 13:04:52.624 INFO running `"docker" "start" "-a" "a80dfdaa0543df1e464757e066fa92b2256af18f62b42a322cf549a8c81ee0bc"`
Dec 01 13:04:53.842 INFO [stderr] usermod: no changes
Dec 01 13:04:53.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 01 13:04:53.891 INFO [stderr]      Running /target/debug/deps/rust_datastructures-fac3b1ef77189f8e
Dec 01 13:04:53.895 INFO [stderr] su: No module specific data is present
Dec 01 13:04:53.895 INFO [stdout] 
Dec 01 13:04:53.895 INFO [stdout] running 0 tests
Dec 01 13:04:53.895 INFO [stdout] 
Dec 01 13:04:53.895 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 13:04:53.895 INFO [stdout] 
Dec 01 13:04:54.621 INFO running `"docker" "inspect" "a80dfdaa0543df1e464757e066fa92b2256af18f62b42a322cf549a8c81ee0bc"`
Dec 01 13:04:54.907 INFO running `"docker" "rm" "-f" "a80dfdaa0543df1e464757e066fa92b2256af18f62b42a322cf549a8c81ee0bc"`
Dec 01 13:04:55.179 INFO [stdout] a80dfdaa0543df1e464757e066fa92b2256af18f62b42a322cf549a8c81ee0bc
