Dec 05 16:43:21.448 INFO testing lbrande/red-black-tree against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 16:43:21.448 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 05 16:43:21.661 INFO [stdout] 8fa436ff35953f68bedfe962177f8e673e04adb5a324b766fd995b547b9a43e2
Dec 05 16:43:21.663 INFO running `"docker" "start" "-a" "8fa436ff35953f68bedfe962177f8e673e04adb5a324b766fd995b547b9a43e2"`
Dec 05 16:43:22.120 INFO [stderr] usermod: no changes
Dec 05 16:43:22.151 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 05 16:43:22.428 INFO [stderr] warning: field is never used: `parent`
Dec 05 16:43:22.428 INFO [stderr]   --> src/lib.rs:36:5
Dec 05 16:43:22.428 INFO [stderr]    |
Dec 05 16:43:22.428 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 05 16:43:22.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:22.428 INFO [stderr]    |
Dec 05 16:43:22.428 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:43:22.428 INFO [stderr] 
Dec 05 16:43:22.428 INFO [stderr] warning: field is never used: `red`
Dec 05 16:43:22.428 INFO [stderr]   --> src/lib.rs:39:5
Dec 05 16:43:22.428 INFO [stderr]    |
Dec 05 16:43:22.428 INFO [stderr] 39 |     red: bool,
Dec 05 16:43:22.428 INFO [stderr]    |     ^^^^^^^^^
Dec 05 16:43:22.428 INFO [stderr] 
Dec 05 16:43:22.428 INFO [stderr] warning: method is never used: `grandparent`
Dec 05 16:43:22.428 INFO [stderr]   --> src/lib.rs:96:5
Dec 05 16:43:22.428 INFO [stderr]    |
Dec 05 16:43:22.428 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:22.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:22.428 INFO [stderr] 
Dec 05 16:43:22.428 INFO [stderr] warning: method is never used: `uncle`
Dec 05 16:43:22.428 INFO [stderr]    --> src/lib.rs:106:5
Dec 05 16:43:22.429 INFO [stderr]     |
Dec 05 16:43:22.429 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:22.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:22.429 INFO [stderr] 
Dec 05 16:43:23.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 05 16:43:23.259 INFO [stderr] su: No module specific data is present
Dec 05 16:43:23.910 INFO running `"docker" "inspect" "8fa436ff35953f68bedfe962177f8e673e04adb5a324b766fd995b547b9a43e2"`
Dec 05 16:43:23.982 INFO running `"docker" "rm" "-f" "8fa436ff35953f68bedfe962177f8e673e04adb5a324b766fd995b547b9a43e2"`
Dec 05 16:43:24.105 INFO [stdout] 8fa436ff35953f68bedfe962177f8e673e04adb5a324b766fd995b547b9a43e2
Dec 05 16:43:24.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 05 16:43:24.355 INFO [stdout] cb780ca456b5f961517f3fc0b7074af10b3043df28968da3021dcb8df6ce1b8a
Dec 05 16:43:24.357 INFO running `"docker" "start" "-a" "cb780ca456b5f961517f3fc0b7074af10b3043df28968da3021dcb8df6ce1b8a"`
Dec 05 16:43:24.780 INFO [stderr] usermod: no changes
Dec 05 16:43:24.805 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 05 16:43:25.104 INFO [stderr] warning: field is never used: `parent`
Dec 05 16:43:25.104 INFO [stderr]   --> src/lib.rs:36:5
Dec 05 16:43:25.104 INFO [stderr]    |
Dec 05 16:43:25.104 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 05 16:43:25.104 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:25.104 INFO [stderr]    |
Dec 05 16:43:25.104 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:43:25.104 INFO [stderr] 
Dec 05 16:43:25.104 INFO [stderr] warning: field is never used: `red`
Dec 05 16:43:25.104 INFO [stderr]   --> src/lib.rs:39:5
Dec 05 16:43:25.104 INFO [stderr]    |
Dec 05 16:43:25.104 INFO [stderr] 39 |     red: bool,
Dec 05 16:43:25.104 INFO [stderr]    |     ^^^^^^^^^
Dec 05 16:43:25.104 INFO [stderr] 
Dec 05 16:43:25.104 INFO [stderr] warning: method is never used: `grandparent`
Dec 05 16:43:25.104 INFO [stderr]   --> src/lib.rs:96:5
Dec 05 16:43:25.104 INFO [stderr]    |
Dec 05 16:43:25.104 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:25.104 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:25.104 INFO [stderr] 
Dec 05 16:43:25.104 INFO [stderr] warning: method is never used: `uncle`
Dec 05 16:43:25.104 INFO [stderr]    --> src/lib.rs:106:5
Dec 05 16:43:25.104 INFO [stderr]     |
Dec 05 16:43:25.104 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:25.104 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:25.104 INFO [stderr] 
Dec 05 16:43:25.455 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 05 16:43:25.458 INFO [stderr] su: No module specific data is present
Dec 05 16:43:25.965 INFO running `"docker" "inspect" "cb780ca456b5f961517f3fc0b7074af10b3043df28968da3021dcb8df6ce1b8a"`
Dec 05 16:43:26.050 INFO running `"docker" "rm" "-f" "cb780ca456b5f961517f3fc0b7074af10b3043df28968da3021dcb8df6ce1b8a"`
Dec 05 16:43:26.112 INFO [stdout] cb780ca456b5f961517f3fc0b7074af10b3043df28968da3021dcb8df6ce1b8a
Dec 05 16:43:26.114 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 05 16:43:26.283 INFO [stdout] d8f8739f1ecfc0530e8259c3e76d68c1837e061869285c55c5db006da178ec9b
Dec 05 16:43:26.283 INFO running `"docker" "start" "-a" "d8f8739f1ecfc0530e8259c3e76d68c1837e061869285c55c5db006da178ec9b"`
Dec 05 16:43:26.612 INFO [stderr] usermod: no changes
Dec 05 16:43:26.642 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 16:43:26.643 INFO [stderr]      Running /target/debug/deps/red_black_tree-198124e1bfbc39ea
Dec 05 16:43:26.649 INFO [stdout] 
Dec 05 16:43:26.649 INFO [stdout] running 0 tests
Dec 05 16:43:26.649 INFO [stdout] 
Dec 05 16:43:26.649 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 16:43:26.649 INFO [stdout] 
Dec 05 16:43:26.650 INFO [stderr]      Running /target/debug/deps/red_black_tree-73a32819a95710df
Dec 05 16:43:26.653 INFO [stdout] 
Dec 05 16:43:26.653 INFO [stdout] running 0 tests
Dec 05 16:43:26.653 INFO [stdout] 
Dec 05 16:43:26.653 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 16:43:26.653 INFO [stdout] 
Dec 05 16:43:26.654 INFO [stderr]    Doc-tests red-black-tree
Dec 05 16:43:26.988 INFO [stdout] 
Dec 05 16:43:26.988 INFO [stdout] running 0 tests
Dec 05 16:43:26.988 INFO [stdout] 
Dec 05 16:43:26.988 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 16:43:26.988 INFO [stdout] 
Dec 05 16:43:26.994 INFO [stderr] su: No module specific data is present
Dec 05 16:43:27.281 INFO running `"docker" "inspect" "d8f8739f1ecfc0530e8259c3e76d68c1837e061869285c55c5db006da178ec9b"`
Dec 05 16:43:27.362 INFO running `"docker" "rm" "-f" "d8f8739f1ecfc0530e8259c3e76d68c1837e061869285c55c5db006da178ec9b"`
Dec 05 16:43:27.430 INFO [stdout] d8f8739f1ecfc0530e8259c3e76d68c1837e061869285c55c5db006da178ec9b