Dec 19 13:47:51.119 INFO checking lbrande/red-black-tree against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 13:47:51.119 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lbrande/red-black-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 13:47:51.304 INFO [stdout] df9c4ba71c774b7bd20b7b5245a6ddde7f98ae39d1f32a969c5616c497065251 Dec 19 13:47:51.325 INFO running `"docker" "start" "-a" "df9c4ba71c774b7bd20b7b5245a6ddde7f98ae39d1f32a969c5616c497065251"` Dec 19 13:47:51.866 INFO [stderr] Checking red-black-tree v0.1.0 (/opt/crater/workdir) Dec 19 13:47:52.042 INFO [stderr] warning: field is never used: `parent` Dec 19 13:47:52.042 INFO [stderr] --> src/lib.rs:36:5 Dec 19 13:47:52.042 INFO [stderr] | Dec 19 13:47:52.042 INFO [stderr] 36 | parent: RefCell>>, Dec 19 13:47:52.042 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 13:47:52.042 INFO [stderr] | Dec 19 13:47:52.042 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 13:47:52.042 INFO [stderr] Dec 19 13:47:52.042 INFO [stderr] warning: field is never used: `red` Dec 19 13:47:52.042 INFO [stderr] --> src/lib.rs:39:5 Dec 19 13:47:52.042 INFO [stderr] | Dec 19 13:47:52.042 INFO [stderr] 39 | red: bool, Dec 19 13:47:52.042 INFO [stderr] | ^^^^^^^^^ Dec 19 13:47:52.042 INFO [stderr] Dec 19 13:47:52.042 INFO [stderr] warning: method is never used: `grandparent` Dec 19 13:47:52.042 INFO [stderr] --> src/lib.rs:96:5 Dec 19 13:47:52.042 INFO [stderr] | Dec 19 13:47:52.042 INFO [stderr] 96 | fn grandparent(&self) -> Weak> { Dec 19 13:47:52.042 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 13:47:52.042 INFO [stderr] Dec 19 13:47:52.042 INFO [stderr] warning: method is never used: `uncle` Dec 19 13:47:52.042 INFO [stderr] --> src/lib.rs:106:5 Dec 19 13:47:52.042 INFO [stderr] | Dec 19 13:47:52.042 INFO [stderr] 106 | fn uncle(&self) -> Weak> { Dec 19 13:47:52.042 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 13:47:52.042 INFO [stderr] Dec 19 13:47:52.044 INFO [stderr] warning: field is never used: `parent` Dec 19 13:47:52.044 INFO [stderr] --> src/lib.rs:36:5 Dec 19 13:47:52.044 INFO [stderr] | Dec 19 13:47:52.044 INFO [stderr] 36 | parent: RefCell>>, Dec 19 13:47:52.044 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 13:47:52.044 INFO [stderr] | Dec 19 13:47:52.044 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 13:47:52.044 INFO [stderr] Dec 19 13:47:52.044 INFO [stderr] warning: field is never used: `red` Dec 19 13:47:52.044 INFO [stderr] --> src/lib.rs:39:5 Dec 19 13:47:52.044 INFO [stderr] | Dec 19 13:47:52.044 INFO [stderr] 39 | red: bool, Dec 19 13:47:52.044 INFO [stderr] | ^^^^^^^^^ Dec 19 13:47:52.044 INFO [stderr] Dec 19 13:47:52.044 INFO [stderr] warning: method is never used: `grandparent` Dec 19 13:47:52.044 INFO [stderr] --> src/lib.rs:96:5 Dec 19 13:47:52.044 INFO [stderr] | Dec 19 13:47:52.044 INFO [stderr] 96 | fn grandparent(&self) -> Weak> { Dec 19 13:47:52.044 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 13:47:52.044 INFO [stderr] Dec 19 13:47:52.044 INFO [stderr] warning: method is never used: `uncle` Dec 19 13:47:52.044 INFO [stderr] --> src/lib.rs:106:5 Dec 19 13:47:52.044 INFO [stderr] | Dec 19 13:47:52.044 INFO [stderr] 106 | fn uncle(&self) -> Weak> { Dec 19 13:47:52.044 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 13:47:52.044 INFO [stderr] Dec 19 13:47:52.244 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s Dec 19 13:47:52.638 INFO running `"docker" "inspect" "df9c4ba71c774b7bd20b7b5245a6ddde7f98ae39d1f32a969c5616c497065251"` Dec 19 13:47:52.755 INFO running `"docker" "rm" "-f" "df9c4ba71c774b7bd20b7b5245a6ddde7f98ae39d1f32a969c5616c497065251"` Dec 19 13:47:52.850 INFO [stdout] df9c4ba71c774b7bd20b7b5245a6ddde7f98ae39d1f32a969c5616c497065251