Dec 19 19:15:40.402 INFO checking ccapitalK/rust-binary-tree-ADT against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:15:40.402 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/ccapitalK/rust-binary-tree-ADT:/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 19:15:40.969 INFO [stdout] f6f70ae121e1520f4745c64d5562ca4d82da81e99d026c629f7933e4dbb3cd88
Dec 19 19:15:40.980 INFO running `"docker" "start" "-a" "f6f70ae121e1520f4745c64d5562ca4d82da81e99d026c629f7933e4dbb3cd88"`
Dec 19 19:15:42.316 INFO [stderr]     Checking binary_tree v0.1.0 (/opt/crater/workdir)
Dec 19 19:15:42.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 19 19:15:43.802 INFO running `"docker" "inspect" "f6f70ae121e1520f4745c64d5562ca4d82da81e99d026c629f7933e4dbb3cd88"`
Dec 19 19:15:44.024 INFO running `"docker" "rm" "-f" "f6f70ae121e1520f4745c64d5562ca4d82da81e99d026c629f7933e4dbb3cd88"`
Dec 19 19:15:44.348 INFO [stdout] f6f70ae121e1520f4745c64d5562ca4d82da81e99d026c629f7933e4dbb3cd88