Dec 18 13:22:20.225 INFO checking openml-0.1.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:22:20.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/openml/0.1.2:/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 13:22:20.522 INFO [stdout] e11c200d6dd4c3338c9b19a36a1413690a476298e64fc36e58ae5549a1f0282d
Dec 18 13:22:20.526 INFO running `"docker" "start" "-a" "e11c200d6dd4c3338c9b19a36a1413690a476298e64fc36e58ae5549a1f0282d"`
Dec 18 13:22:21.583 INFO [stderr]     Checking app_dirs v1.2.1
Dec 18 13:22:21.585 INFO [stderr]     Checking arff v0.3.0
Dec 18 13:22:21.585 INFO [stderr]     Checking simple_logger v0.5.0
Dec 18 13:22:23.128 INFO [stderr]     Checking openml v0.1.2 (/opt/crater/workdir)
Dec 18 13:22:25.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
Dec 18 13:22:25.868 INFO running `"docker" "inspect" "e11c200d6dd4c3338c9b19a36a1413690a476298e64fc36e58ae5549a1f0282d"`
Dec 18 13:22:25.975 INFO running `"docker" "rm" "-f" "e11c200d6dd4c3338c9b19a36a1413690a476298e64fc36e58ae5549a1f0282d"`
Dec 18 13:22:26.136 INFO [stdout] e11c200d6dd4c3338c9b19a36a1413690a476298e64fc36e58ae5549a1f0282d