Dec 13 12:59:04.472 INFO testing lbrande/red-black-tree against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 12:59:04.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 12:59:04.619 INFO [stdout] 4259b347a7eb8671b38cda9ef195e2fc2c3e64c9e225ee80c221a3f6b946bb8b
Dec 13 12:59:04.622 INFO running `"docker" "start" "-a" "4259b347a7eb8671b38cda9ef195e2fc2c3e64c9e225ee80c221a3f6b946bb8b"`
Dec 13 12:59:05.066 INFO [stderr] usermod: no changes
Dec 13 12:59:05.089 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 13 12:59:05.337 INFO [stderr] warning: field is never used: `parent`
Dec 13 12:59:05.338 INFO [stderr]   --> src/lib.rs:36:5
Dec 13 12:59:05.338 INFO [stderr]    |
Dec 13 12:59:05.338 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 13 12:59:05.338 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:05.338 INFO [stderr]    |
Dec 13 12:59:05.338 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 12:59:05.338 INFO [stderr] 
Dec 13 12:59:05.338 INFO [stderr] warning: field is never used: `red`
Dec 13 12:59:05.338 INFO [stderr]   --> src/lib.rs:39:5
Dec 13 12:59:05.338 INFO [stderr]    |
Dec 13 12:59:05.338 INFO [stderr] 39 |     red: bool,
Dec 13 12:59:05.338 INFO [stderr]    |     ^^^^^^^^^
Dec 13 12:59:05.338 INFO [stderr] 
Dec 13 12:59:05.338 INFO [stderr] warning: method is never used: `grandparent`
Dec 13 12:59:05.338 INFO [stderr]   --> src/lib.rs:96:5
Dec 13 12:59:05.338 INFO [stderr]    |
Dec 13 12:59:05.338 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:05.338 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:05.338 INFO [stderr] 
Dec 13 12:59:05.338 INFO [stderr] warning: method is never used: `uncle`
Dec 13 12:59:05.338 INFO [stderr]    --> src/lib.rs:106:5
Dec 13 12:59:05.338 INFO [stderr]     |
Dec 13 12:59:05.338 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:05.338 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:05.338 INFO [stderr] 
Dec 13 12:59:05.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 13 12:59:05.855 INFO [stderr] su: No module specific data is present
Dec 13 12:59:06.172 INFO running `"docker" "inspect" "4259b347a7eb8671b38cda9ef195e2fc2c3e64c9e225ee80c221a3f6b946bb8b"`
Dec 13 12:59:06.259 INFO running `"docker" "rm" "-f" "4259b347a7eb8671b38cda9ef195e2fc2c3e64c9e225ee80c221a3f6b946bb8b"`
Dec 13 12:59:06.481 INFO [stdout] 4259b347a7eb8671b38cda9ef195e2fc2c3e64c9e225ee80c221a3f6b946bb8b
Dec 13 12:59:06.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 12:59:06.815 INFO [stdout] 8465dc193200380fac2bc003cd5d6631ee51048edfe0e819a6698c3969b2040a
Dec 13 12:59:06.817 INFO running `"docker" "start" "-a" "8465dc193200380fac2bc003cd5d6631ee51048edfe0e819a6698c3969b2040a"`
Dec 13 12:59:07.177 INFO [stderr] usermod: no changes
Dec 13 12:59:07.213 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 13 12:59:07.509 INFO [stderr] warning: field is never used: `parent`
Dec 13 12:59:07.509 INFO [stderr]   --> src/lib.rs:36:5
Dec 13 12:59:07.509 INFO [stderr]    |
Dec 13 12:59:07.509 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 13 12:59:07.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:07.509 INFO [stderr]    |
Dec 13 12:59:07.509 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 12:59:07.509 INFO [stderr] 
Dec 13 12:59:07.509 INFO [stderr] warning: field is never used: `red`
Dec 13 12:59:07.509 INFO [stderr]   --> src/lib.rs:39:5
Dec 13 12:59:07.509 INFO [stderr]    |
Dec 13 12:59:07.509 INFO [stderr] 39 |     red: bool,
Dec 13 12:59:07.509 INFO [stderr]    |     ^^^^^^^^^
Dec 13 12:59:07.509 INFO [stderr] 
Dec 13 12:59:07.509 INFO [stderr] warning: method is never used: `grandparent`
Dec 13 12:59:07.509 INFO [stderr]   --> src/lib.rs:96:5
Dec 13 12:59:07.509 INFO [stderr]    |
Dec 13 12:59:07.509 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:07.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:07.509 INFO [stderr] 
Dec 13 12:59:07.509 INFO [stderr] warning: method is never used: `uncle`
Dec 13 12:59:07.509 INFO [stderr]    --> src/lib.rs:106:5
Dec 13 12:59:07.509 INFO [stderr]     |
Dec 13 12:59:07.509 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:07.509 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:07.509 INFO [stderr] 
Dec 13 12:59:07.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 13 12:59:07.776 INFO [stderr] su: No module specific data is present
Dec 13 12:59:08.130 INFO running `"docker" "inspect" "8465dc193200380fac2bc003cd5d6631ee51048edfe0e819a6698c3969b2040a"`
Dec 13 12:59:08.494 INFO running `"docker" "rm" "-f" "8465dc193200380fac2bc003cd5d6631ee51048edfe0e819a6698c3969b2040a"`
Dec 13 12:59:08.621 INFO [stdout] 8465dc193200380fac2bc003cd5d6631ee51048edfe0e819a6698c3969b2040a
Dec 13 12:59:08.706 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 12:59:09.060 INFO [stdout] d008db832b914eb7e8a9c3303cb6e4473e429339fd3515d5224f9370229420d2
Dec 13 12:59:09.060 INFO running `"docker" "start" "-a" "d008db832b914eb7e8a9c3303cb6e4473e429339fd3515d5224f9370229420d2"`
Dec 13 12:59:09.609 INFO [stderr] usermod: no changes
Dec 13 12:59:09.657 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 12:59:09.657 INFO [stderr]      Running /target/debug/deps/red_black_tree-a528a44525ecab4e
Dec 13 12:59:09.657 INFO [stderr]      Running /target/debug/deps/red_black_tree-f9e60b734bc3667e
Dec 13 12:59:09.657 INFO [stderr]    Doc-tests red-black-tree
Dec 13 12:59:09.657 INFO [stdout] 
Dec 13 12:59:09.657 INFO [stdout] running 0 tests
Dec 13 12:59:09.657 INFO [stdout] 
Dec 13 12:59:09.657 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:59:09.657 INFO [stdout] 
Dec 13 12:59:09.657 INFO [stdout] 
Dec 13 12:59:09.657 INFO [stdout] running 0 tests
Dec 13 12:59:09.657 INFO [stdout] 
Dec 13 12:59:09.657 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:59:09.657 INFO [stdout] 
Dec 13 12:59:09.977 INFO [stdout] 
Dec 13 12:59:09.977 INFO [stdout] running 0 tests
Dec 13 12:59:09.977 INFO [stdout] 
Dec 13 12:59:09.977 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:59:09.977 INFO [stdout] 
Dec 13 12:59:09.982 INFO [stderr] su: No module specific data is present
Dec 13 12:59:10.260 INFO running `"docker" "inspect" "d008db832b914eb7e8a9c3303cb6e4473e429339fd3515d5224f9370229420d2"`
Dec 13 12:59:10.333 INFO running `"docker" "rm" "-f" "d008db832b914eb7e8a9c3303cb6e4473e429339fd3515d5224f9370229420d2"`
Dec 13 12:59:10.459 INFO [stdout] d008db832b914eb7e8a9c3303cb6e4473e429339fd3515d5224f9370229420d2