Dec 18 18:00:39.205 INFO checking buttercup-crypto-0.4.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:00:39.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/buttercup-crypto/0.4.2:/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 18:00:39.370 INFO [stdout] f4a8c3e7c94fb5244b97f1437dbc0f287bff04eb52f921e0051ef3ab8ac9b92e
Dec 18 18:00:39.373 INFO running `"docker" "start" "-a" "f4a8c3e7c94fb5244b97f1437dbc0f287bff04eb52f921e0051ef3ab8ac9b92e"`
Dec 18 18:00:39.899 INFO [stderr]     Checking block-modes v0.1.0
Dec 18 18:00:39.899 INFO [stderr]     Checking aes-soft v0.1.0
Dec 18 18:00:40.427 INFO [stderr]     Checking buttercup-crypto v0.4.2 (/opt/crater/workdir)
Dec 18 18:00:41.260 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Dec 18 18:00:41.511 INFO running `"docker" "inspect" "f4a8c3e7c94fb5244b97f1437dbc0f287bff04eb52f921e0051ef3ab8ac9b92e"`
Dec 18 18:00:41.610 INFO running `"docker" "rm" "-f" "f4a8c3e7c94fb5244b97f1437dbc0f287bff04eb52f921e0051ef3ab8ac9b92e"`
Dec 18 18:00:41.696 INFO [stdout] f4a8c3e7c94fb5244b97f1437dbc0f287bff04eb52f921e0051ef3ab8ac9b92e