Dec 05 16:43:21.619 INFO testing lbrande/red-black-tree against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 16:43:21.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 16:43:21.849 INFO [stdout] fb4bd1247b3436bb144a473b6460bbe2db26766dd6750f14e7c4011146b5b0ee
Dec 05 16:43:21.852 INFO running `"docker" "start" "-a" "fb4bd1247b3436bb144a473b6460bbe2db26766dd6750f14e7c4011146b5b0ee"`
Dec 05 16:43:22.391 INFO [stderr] usermod: no changes
Dec 05 16:43:22.453 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 05 16:43:22.840 INFO [stderr] warning: field is never used: `parent`
Dec 05 16:43:22.840 INFO [stderr]   --> src/lib.rs:36:5
Dec 05 16:43:22.840 INFO [stderr]    |
Dec 05 16:43:22.840 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 05 16:43:22.840 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:22.840 INFO [stderr]    |
Dec 05 16:43:22.840 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:43:22.840 INFO [stderr] 
Dec 05 16:43:22.840 INFO [stderr] warning: field is never used: `red`
Dec 05 16:43:22.840 INFO [stderr]   --> src/lib.rs:39:5
Dec 05 16:43:22.840 INFO [stderr]    |
Dec 05 16:43:22.840 INFO [stderr] 39 |     red: bool,
Dec 05 16:43:22.840 INFO [stderr]    |     ^^^^^^^^^
Dec 05 16:43:22.840 INFO [stderr] 
Dec 05 16:43:22.840 INFO [stderr] warning: method is never used: `grandparent`
Dec 05 16:43:22.840 INFO [stderr]   --> src/lib.rs:96:5
Dec 05 16:43:22.841 INFO [stderr]    |
Dec 05 16:43:22.841 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:22.841 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:22.841 INFO [stderr] 
Dec 05 16:43:22.841 INFO [stderr] warning: method is never used: `uncle`
Dec 05 16:43:22.841 INFO [stderr]    --> src/lib.rs:106:5
Dec 05 16:43:22.841 INFO [stderr]     |
Dec 05 16:43:22.841 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:22.841 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:22.841 INFO [stderr] 
Dec 05 16:43:23.635 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 05 16:43:23.638 INFO [stderr] su: No module specific data is present
Dec 05 16:43:23.983 INFO running `"docker" "inspect" "fb4bd1247b3436bb144a473b6460bbe2db26766dd6750f14e7c4011146b5b0ee"`
Dec 05 16:43:24.062 INFO running `"docker" "rm" "-f" "fb4bd1247b3436bb144a473b6460bbe2db26766dd6750f14e7c4011146b5b0ee"`
Dec 05 16:43:24.166 INFO [stdout] fb4bd1247b3436bb144a473b6460bbe2db26766dd6750f14e7c4011146b5b0ee
Dec 05 16:43:24.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 16:43:24.366 INFO [stdout] 6024fc3c0c443c68b71a936946136a54fd4988263f673efaf0fa213cab0a4bea
Dec 05 16:43:24.369 INFO running `"docker" "start" "-a" "6024fc3c0c443c68b71a936946136a54fd4988263f673efaf0fa213cab0a4bea"`
Dec 05 16:43:24.780 INFO [stderr] usermod: no changes
Dec 05 16:43:24.804 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 05 16:43:25.135 INFO [stderr] warning: field is never used: `parent`
Dec 05 16:43:25.135 INFO [stderr]   --> src/lib.rs:36:5
Dec 05 16:43:25.135 INFO [stderr]    |
Dec 05 16:43:25.135 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 05 16:43:25.135 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:25.135 INFO [stderr]    |
Dec 05 16:43:25.135 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:43:25.135 INFO [stderr] 
Dec 05 16:43:25.135 INFO [stderr] warning: field is never used: `red`
Dec 05 16:43:25.135 INFO [stderr]   --> src/lib.rs:39:5
Dec 05 16:43:25.135 INFO [stderr]    |
Dec 05 16:43:25.135 INFO [stderr] 39 |     red: bool,
Dec 05 16:43:25.135 INFO [stderr]    |     ^^^^^^^^^
Dec 05 16:43:25.135 INFO [stderr] 
Dec 05 16:43:25.135 INFO [stderr] warning: method is never used: `grandparent`
Dec 05 16:43:25.135 INFO [stderr]   --> src/lib.rs:96:5
Dec 05 16:43:25.135 INFO [stderr]    |
Dec 05 16:43:25.135 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:25.135 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:25.135 INFO [stderr] 
Dec 05 16:43:25.141 INFO [stderr] warning: method is never used: `uncle`
Dec 05 16:43:25.141 INFO [stderr]    --> src/lib.rs:106:5
Dec 05 16:43:25.141 INFO [stderr]     |
Dec 05 16:43:25.141 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 05 16:43:25.141 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:43:25.141 INFO [stderr] 
Dec 05 16:43:25.510 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 05 16:43:25.511 INFO [stderr] su: No module specific data is present
Dec 05 16:43:26.100 INFO running `"docker" "inspect" "6024fc3c0c443c68b71a936946136a54fd4988263f673efaf0fa213cab0a4bea"`
Dec 05 16:43:26.168 INFO running `"docker" "rm" "-f" "6024fc3c0c443c68b71a936946136a54fd4988263f673efaf0fa213cab0a4bea"`
Dec 05 16:43:26.274 INFO [stdout] 6024fc3c0c443c68b71a936946136a54fd4988263f673efaf0fa213cab0a4bea
Dec 05 16:43:26.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 16:43:26.439 INFO [stdout] 924e6de68f2286f17c118139fadf3ed8a2f9e2aab1daca1a8a88a66ac5979c97
Dec 05 16:43:26.442 INFO running `"docker" "start" "-a" "924e6de68f2286f17c118139fadf3ed8a2f9e2aab1daca1a8a88a66ac5979c97"`
Dec 05 16:43:26.919 INFO [stderr] usermod: no changes
Dec 05 16:43:26.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 16:43:26.948 INFO [stderr]      Running /target/debug/deps/red_black_tree-05ca6c0c751a15a3
Dec 05 16:43:26.950 INFO [stdout] 
Dec 05 16:43:26.950 INFO [stdout] running 0 tests
Dec 05 16:43:26.950 INFO [stdout] 
Dec 05 16:43:26.950 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 16:43:26.950 INFO [stdout] 
Dec 05 16:43:26.950 INFO [stderr]      Running /target/debug/deps/red_black_tree-570fcdfb6353ce5e
Dec 05 16:43:26.951 INFO [stdout] 
Dec 05 16:43:26.951 INFO [stdout] running 0 tests
Dec 05 16:43:26.951 INFO [stdout] 
Dec 05 16:43:26.951 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 16:43:26.951 INFO [stdout] 
Dec 05 16:43:26.951 INFO [stderr]    Doc-tests red-black-tree
Dec 05 16:43:27.255 INFO [stdout] 
Dec 05 16:43:27.255 INFO [stdout] running 0 tests
Dec 05 16:43:27.255 INFO [stdout] 
Dec 05 16:43:27.255 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 16:43:27.255 INFO [stdout] 
Dec 05 16:43:27.261 INFO [stderr] su: No module specific data is present
Dec 05 16:43:27.485 INFO running `"docker" "inspect" "924e6de68f2286f17c118139fadf3ed8a2f9e2aab1daca1a8a88a66ac5979c97"`
Dec 05 16:43:27.593 INFO running `"docker" "rm" "-f" "924e6de68f2286f17c118139fadf3ed8a2f9e2aab1daca1a8a88a66ac5979c97"`
Dec 05 16:43:27.779 INFO [stdout] 924e6de68f2286f17c118139fadf3ed8a2f9e2aab1daca1a8a88a66ac5979c97