Dec 19 11:59:49.501 INFO checking natreed/rust_tree_lib against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:59:49.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/natreed/rust_tree_lib:/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 11:59:50.002 INFO [stdout] 49d988a461d08d634accb291fce400e6d18c42d07e8355f75f2449d9ba9d9ee3
Dec 19 11:59:50.005 INFO running `"docker" "start" "-a" "49d988a461d08d634accb291fce400e6d18c42d07e8355f75f2449d9ba9d9ee3"`
Dec 19 11:59:52.974 INFO [stderr]     Checking generic_tree v0.1.0 (/opt/crater/workdir)
Dec 19 11:59:53.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 19 11:59:55.138 INFO running `"docker" "inspect" "49d988a461d08d634accb291fce400e6d18c42d07e8355f75f2449d9ba9d9ee3"`
Dec 19 11:59:55.514 INFO running `"docker" "rm" "-f" "49d988a461d08d634accb291fce400e6d18c42d07e8355f75f2449d9ba9d9ee3"`
Dec 19 11:59:55.848 INFO [stdout] 49d988a461d08d634accb291fce400e6d18c42d07e8355f75f2449d9ba9d9ee3