Dec 13 12:59:04.620 INFO testing lbrande/red-black-tree against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 12:59:04.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12:59:04.855 INFO [stdout] d7403d7cebf854678bba7db19bceb4e992e023124e18bdda7a5a07504709d712
Dec 13 12:59:04.857 INFO running `"docker" "start" "-a" "d7403d7cebf854678bba7db19bceb4e992e023124e18bdda7a5a07504709d712"`
Dec 13 12:59:05.297 INFO [stderr] usermod: no changes
Dec 13 12:59:05.328 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 13 12:59:05.606 INFO [stderr] warning: field is never used: `parent`
Dec 13 12:59:05.606 INFO [stderr]   --> src/lib.rs:36:5
Dec 13 12:59:05.606 INFO [stderr]    |
Dec 13 12:59:05.607 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 13 12:59:05.607 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:05.607 INFO [stderr]    |
Dec 13 12:59:05.607 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 12:59:05.607 INFO [stderr] 
Dec 13 12:59:05.607 INFO [stderr] warning: field is never used: `red`
Dec 13 12:59:05.607 INFO [stderr]   --> src/lib.rs:39:5
Dec 13 12:59:05.607 INFO [stderr]    |
Dec 13 12:59:05.607 INFO [stderr] 39 |     red: bool,
Dec 13 12:59:05.607 INFO [stderr]    |     ^^^^^^^^^
Dec 13 12:59:05.607 INFO [stderr] 
Dec 13 12:59:05.608 INFO [stderr] warning: method is never used: `grandparent`
Dec 13 12:59:05.608 INFO [stderr]   --> src/lib.rs:96:5
Dec 13 12:59:05.608 INFO [stderr]    |
Dec 13 12:59:05.609 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:05.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:05.609 INFO [stderr] 
Dec 13 12:59:05.609 INFO [stderr] warning: method is never used: `uncle`
Dec 13 12:59:05.609 INFO [stderr]    --> src/lib.rs:106:5
Dec 13 12:59:05.610 INFO [stderr]     |
Dec 13 12:59:05.610 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:05.610 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:05.610 INFO [stderr] 
Dec 13 12:59:06.085 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 13 12:59:06.087 INFO [stderr] su: No module specific data is present
Dec 13 12:59:06.360 INFO running `"docker" "inspect" "d7403d7cebf854678bba7db19bceb4e992e023124e18bdda7a5a07504709d712"`
Dec 13 12:59:06.511 INFO running `"docker" "rm" "-f" "d7403d7cebf854678bba7db19bceb4e992e023124e18bdda7a5a07504709d712"`
Dec 13 12:59:06.834 INFO [stdout] d7403d7cebf854678bba7db19bceb4e992e023124e18bdda7a5a07504709d712
Dec 13 12:59:06.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12:59:07.028 INFO [stdout] 2ad333427bad68e2b2158390b0287abcaa885a5e3bb95e02171896060d52c6ba
Dec 13 12:59:07.032 INFO running `"docker" "start" "-a" "2ad333427bad68e2b2158390b0287abcaa885a5e3bb95e02171896060d52c6ba"`
Dec 13 12:59:07.399 INFO [stderr] usermod: no changes
Dec 13 12:59:07.420 INFO [stderr]    Compiling red-black-tree v0.1.0 (/source)
Dec 13 12:59:07.770 INFO [stderr] warning: field is never used: `parent`
Dec 13 12:59:07.770 INFO [stderr]   --> src/lib.rs:36:5
Dec 13 12:59:07.770 INFO [stderr]    |
Dec 13 12:59:07.770 INFO [stderr] 36 |     parent: RefCell<Weak<RedBlackNode<T>>>,
Dec 13 12:59:07.770 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:07.770 INFO [stderr]    |
Dec 13 12:59:07.770 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 12:59:07.770 INFO [stderr] 
Dec 13 12:59:07.770 INFO [stderr] warning: field is never used: `red`
Dec 13 12:59:07.770 INFO [stderr]   --> src/lib.rs:39:5
Dec 13 12:59:07.770 INFO [stderr]    |
Dec 13 12:59:07.770 INFO [stderr] 39 |     red: bool,
Dec 13 12:59:07.770 INFO [stderr]    |     ^^^^^^^^^
Dec 13 12:59:07.770 INFO [stderr] 
Dec 13 12:59:07.770 INFO [stderr] warning: method is never used: `grandparent`
Dec 13 12:59:07.770 INFO [stderr]   --> src/lib.rs:96:5
Dec 13 12:59:07.770 INFO [stderr]    |
Dec 13 12:59:07.770 INFO [stderr] 96 |     fn grandparent(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:07.770 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:07.770 INFO [stderr] 
Dec 13 12:59:07.770 INFO [stderr] warning: method is never used: `uncle`
Dec 13 12:59:07.770 INFO [stderr]    --> src/lib.rs:106:5
Dec 13 12:59:07.770 INFO [stderr]     |
Dec 13 12:59:07.770 INFO [stderr] 106 |     fn uncle(&self) -> Weak<RedBlackNode<T>> {
Dec 13 12:59:07.770 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 12:59:07.770 INFO [stderr] 
Dec 13 12:59:07.995 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 13 12:59:07.995 INFO [stderr] su: No module specific data is present
Dec 13 12:59:08.301 INFO running `"docker" "inspect" "2ad333427bad68e2b2158390b0287abcaa885a5e3bb95e02171896060d52c6ba"`
Dec 13 12:59:08.570 INFO running `"docker" "rm" "-f" "2ad333427bad68e2b2158390b0287abcaa885a5e3bb95e02171896060d52c6ba"`
Dec 13 12:59:08.775 INFO [stdout] 2ad333427bad68e2b2158390b0287abcaa885a5e3bb95e02171896060d52c6ba
Dec 13 12:59:08.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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] a77309828316c83be67d33ec1021fd087f8614306da7c5ac24abe629d80b21eb
Dec 13 12:59:09.060 INFO running `"docker" "start" "-a" "a77309828316c83be67d33ec1021fd087f8614306da7c5ac24abe629d80b21eb"`
Dec 13 12:59:09.658 INFO [stderr] usermod: no changes
Dec 13 12:59:09.658 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 12:59:09.658 INFO [stderr]      Running /target/debug/deps/red_black_tree-65df5ef6bb209722
Dec 13 12:59:09.658 INFO [stderr]      Running /target/debug/deps/red_black_tree-bf95e105a6b4e8d7
Dec 13 12:59:09.658 INFO [stderr]    Doc-tests red-black-tree
Dec 13 12:59:09.658 INFO [stdout] 
Dec 13 12:59:09.658 INFO [stdout] running 0 tests
Dec 13 12:59:09.658 INFO [stdout] 
Dec 13 12:59:09.658 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:59:09.658 INFO [stdout] 
Dec 13 12:59:09.658 INFO [stdout] 
Dec 13 12:59:09.658 INFO [stdout] running 0 tests
Dec 13 12:59:09.658 INFO [stdout] 
Dec 13 12:59:09.658 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:59:09.658 INFO [stdout] 
Dec 13 12:59:09.963 INFO [stdout] 
Dec 13 12:59:09.963 INFO [stdout] running 0 tests
Dec 13 12:59:09.963 INFO [stdout] 
Dec 13 12:59:09.963 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 12:59:09.963 INFO [stdout] 
Dec 13 12:59:09.964 INFO [stderr] su: No module specific data is present
Dec 13 12:59:10.252 INFO running `"docker" "inspect" "a77309828316c83be67d33ec1021fd087f8614306da7c5ac24abe629d80b21eb"`
Dec 13 12:59:10.342 INFO running `"docker" "rm" "-f" "a77309828316c83be67d33ec1021fd087f8614306da7c5ac24abe629d80b21eb"`
Dec 13 12:59:10.444 INFO [stdout] a77309828316c83be67d33ec1021fd087f8614306da7c5ac24abe629d80b21eb