Nov 28 01:56:02.060 INFO checking lbrande/red-black-tree against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 01:56:02.062 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 01:56:02.454 INFO [stdout] 5842cd80df61a80a27d3668ed2052410efaa523f5193a6844aae28db7550a239
Nov 28 01:56:02.462 INFO running `"docker" "start" "-a" "5842cd80df61a80a27d3668ed2052410efaa523f5193a6844aae28db7550a239"`
Nov 28 01:56:02.994 INFO [stderr] usermod: no changes
Nov 28 01:56:03.021 INFO [stderr]     Checking red-black-tree v0.1.0 (/source)
Nov 28 01:56:03.257 INFO [stderr] warning: field is never used: `parent`
Nov 28 01:56:03.257 INFO [stderr]   --> src/lib.rs:36:5
Nov 28 01:56:03.257 INFO [stderr]    |
Nov 28 01:56:03.258 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Nov 28 01:56:03.258 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:56:03.258 INFO [stderr]    |
Nov 28 01:56:03.259 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 01:56:03.259 INFO [stderr] 
Nov 28 01:56:03.261 INFO [stderr] warning: field is never used: `red`
Nov 28 01:56:03.261 INFO [stderr]   --> src/lib.rs:39:5
Nov 28 01:56:03.262 INFO [stderr]    |
Nov 28 01:56:03.262 INFO [stderr] 39 |     red: bool,
Nov 28 01:56:03.262 INFO [stderr]    |     ^^^^^^^^^
Nov 28 01:56:03.262 INFO [stderr] 
Nov 28 01:56:03.263 INFO [stderr] warning: method is never used: `grandparent`
Nov 28 01:56:03.263 INFO [stderr]   --> src/lib.rs:96:5
Nov 28 01:56:03.263 INFO [stderr]    |
Nov 28 01:56:03.263 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Nov 28 01:56:03.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:56:03.264 INFO [stderr] 
Nov 28 01:56:03.264 INFO [stderr] warning: method is never used: `uncle`
Nov 28 01:56:03.265 INFO [stderr]    --> src/lib.rs:106:5
Nov 28 01:56:03.265 INFO [stderr]     |
Nov 28 01:56:03.265 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Nov 28 01:56:03.266 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:56:03.266 INFO [stderr] 
Nov 28 01:56:03.396 INFO [stderr] warning: field is never used: `parent`
Nov 28 01:56:03.396 INFO [stderr]   --> src/lib.rs:36:5
Nov 28 01:56:03.396 INFO [stderr]    |
Nov 28 01:56:03.396 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Nov 28 01:56:03.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:56:03.396 INFO [stderr]    |
Nov 28 01:56:03.396 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 01:56:03.396 INFO [stderr] 
Nov 28 01:56:03.396 INFO [stderr] warning: field is never used: `red`
Nov 28 01:56:03.396 INFO [stderr]   --> src/lib.rs:39:5
Nov 28 01:56:03.396 INFO [stderr]    |
Nov 28 01:56:03.396 INFO [stderr] 39 |     red: bool,
Nov 28 01:56:03.396 INFO [stderr]    |     ^^^^^^^^^
Nov 28 01:56:03.396 INFO [stderr] 
Nov 28 01:56:03.396 INFO [stderr] warning: method is never used: `grandparent`
Nov 28 01:56:03.396 INFO [stderr]   --> src/lib.rs:96:5
Nov 28 01:56:03.396 INFO [stderr]    |
Nov 28 01:56:03.396 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Nov 28 01:56:03.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:56:03.396 INFO [stderr] 
Nov 28 01:56:03.396 INFO [stderr] warning: method is never used: `uncle`
Nov 28 01:56:03.396 INFO [stderr]    --> src/lib.rs:106:5
Nov 28 01:56:03.396 INFO [stderr]     |
Nov 28 01:56:03.396 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Nov 28 01:56:03.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:56:03.396 INFO [stderr] 
Nov 28 01:56:03.641 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 28 01:56:03.643 INFO [stderr] su: No module specific data is present
Nov 28 01:56:03.968 INFO running `"docker" "inspect" "5842cd80df61a80a27d3668ed2052410efaa523f5193a6844aae28db7550a239"`
Nov 28 01:56:04.130 INFO running `"docker" "rm" "-f" "5842cd80df61a80a27d3668ed2052410efaa523f5193a6844aae28db7550a239"`
Nov 28 01:56:04.456 INFO [stdout] 5842cd80df61a80a27d3668ed2052410efaa523f5193a6844aae28db7550a239