Dec 18 05:20:45.773 INFO checking StuartHa/binary_tree_printer against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:20:45.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/StuartHa/binary_tree_printer:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:20:46.353 INFO [stdout] 6b8e6983fa6d698e44b678a6b3b406cb0d6a89f123b25a331cd18d6cde2dbb07
Dec 18 05:20:46.355 INFO running `"docker" "start" "-a" "6b8e6983fa6d698e44b678a6b3b406cb0d6a89f123b25a331cd18d6cde2dbb07"`
Dec 18 05:20:48.596 INFO [stderr]     Checking binary_tree_visualizer v0.1.0 (/opt/crater/workdir)
Dec 18 05:20:49.740 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 18 05:20:51.030 INFO running `"docker" "inspect" "6b8e6983fa6d698e44b678a6b3b406cb0d6a89f123b25a331cd18d6cde2dbb07"`
Dec 18 05:20:51.326 INFO running `"docker" "rm" "-f" "6b8e6983fa6d698e44b678a6b3b406cb0d6a89f123b25a331cd18d6cde2dbb07"`
Dec 18 05:20:51.692 INFO [stdout] 6b8e6983fa6d698e44b678a6b3b406cb0d6a89f123b25a331cd18d6cde2dbb07