Nov 29 23:33:34.045 INFO checking lbrande/red-black-tree against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 23:33:34.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 23:33:34.181 INFO [stdout] 1f6c0fad74d8cc3e95f51e18b0299497974e4270cd712a0d7730f16ae6204033
Nov 29 23:33:34.186 INFO running `"docker" "start" "-a" "1f6c0fad74d8cc3e95f51e18b0299497974e4270cd712a0d7730f16ae6204033"`
Nov 29 23:33:34.827 INFO [stderr] usermod: no changes
Nov 29 23:33:34.880 INFO [stderr]     Checking red-black-tree v0.1.0 (/source)
Nov 29 23:33:35.268 INFO [stderr] warning: field is never used: `parent`
Nov 29 23:33:35.268 INFO [stderr]   --> src/lib.rs:36:5
Nov 29 23:33:35.268 INFO [stderr]    |
Nov 29 23:33:35.268 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Nov 29 23:33:35.268 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:35.268 INFO [stderr]    |
Nov 29 23:33:35.268 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 23:33:35.268 INFO [stderr] 
Nov 29 23:33:35.268 INFO [stderr] warning: field is never used: `red`
Nov 29 23:33:35.268 INFO [stderr]   --> src/lib.rs:39:5
Nov 29 23:33:35.268 INFO [stderr]    |
Nov 29 23:33:35.268 INFO [stderr] 39 |     red: bool,
Nov 29 23:33:35.268 INFO [stderr]    |     ^^^^^^^^^
Nov 29 23:33:35.268 INFO [stderr] 
Nov 29 23:33:35.268 INFO [stderr] warning: method is never used: `grandparent`
Nov 29 23:33:35.268 INFO [stderr]   --> src/lib.rs:96:5
Nov 29 23:33:35.268 INFO [stderr]    |
Nov 29 23:33:35.268 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Nov 29 23:33:35.268 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:35.268 INFO [stderr] 
Nov 29 23:33:35.268 INFO [stderr] warning: method is never used: `uncle`
Nov 29 23:33:35.269 INFO [stderr]    --> src/lib.rs:106:5
Nov 29 23:33:35.269 INFO [stderr]     |
Nov 29 23:33:35.269 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Nov 29 23:33:35.269 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:35.269 INFO [stderr] 
Nov 29 23:33:35.316 INFO [stderr] warning: field is never used: `parent`
Nov 29 23:33:35.316 INFO [stderr]   --> src/lib.rs:36:5
Nov 29 23:33:35.316 INFO [stderr]    |
Nov 29 23:33:35.316 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Nov 29 23:33:35.316 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:35.316 INFO [stderr]    |
Nov 29 23:33:35.316 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 23:33:35.316 INFO [stderr] 
Nov 29 23:33:35.316 INFO [stderr] warning: field is never used: `red`
Nov 29 23:33:35.316 INFO [stderr]   --> src/lib.rs:39:5
Nov 29 23:33:35.316 INFO [stderr]    |
Nov 29 23:33:35.316 INFO [stderr] 39 |     red: bool,
Nov 29 23:33:35.316 INFO [stderr]    |     ^^^^^^^^^
Nov 29 23:33:35.316 INFO [stderr] 
Nov 29 23:33:35.316 INFO [stderr] warning: method is never used: `grandparent`
Nov 29 23:33:35.316 INFO [stderr]   --> src/lib.rs:96:5
Nov 29 23:33:35.316 INFO [stderr]    |
Nov 29 23:33:35.316 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Nov 29 23:33:35.316 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:35.316 INFO [stderr] 
Nov 29 23:33:35.316 INFO [stderr] warning: method is never used: `uncle`
Nov 29 23:33:35.316 INFO [stderr]    --> src/lib.rs:106:5
Nov 29 23:33:35.316 INFO [stderr]     |
Nov 29 23:33:35.317 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Nov 29 23:33:35.317 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:35.317 INFO [stderr] 
Nov 29 23:33:35.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Nov 29 23:33:35.652 INFO [stderr] su: No module specific data is present
Nov 29 23:33:35.982 INFO running `"docker" "inspect" "1f6c0fad74d8cc3e95f51e18b0299497974e4270cd712a0d7730f16ae6204033"`
Nov 29 23:33:36.150 INFO running `"docker" "rm" "-f" "1f6c0fad74d8cc3e95f51e18b0299497974e4270cd712a0d7730f16ae6204033"`
Nov 29 23:33:36.273 INFO [stdout] 1f6c0fad74d8cc3e95f51e18b0299497974e4270cd712a0d7730f16ae6204033