Dec 18 09:07:56.881 INFO checking xalloc-0.2.5 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:07:56.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/xalloc/0.2.5:/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 09:07:57.504 INFO [stdout] 49248668f7697cd8a7deaf788d0d64dc54e6972d6e4cc5a9beef4758ced243f7
Dec 18 09:07:57.506 INFO running `"docker" "start" "-a" "49248668f7697cd8a7deaf788d0d64dc54e6972d6e4cc5a9beef4758ced243f7"`
Dec 18 09:07:59.666 INFO [stderr]    Compiling num-bigint v0.2.2
Dec 18 09:08:02.961 INFO [stderr]     Checking num-rational v0.2.1
Dec 18 09:08:03.709 INFO [stderr]     Checking num v0.2.0
Dec 18 09:08:04.078 INFO [stderr]     Checking xalloc v0.2.5 (/opt/crater/workdir)
Dec 18 09:08:06.997 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
Dec 18 09:08:07.288 INFO running `"docker" "inspect" "49248668f7697cd8a7deaf788d0d64dc54e6972d6e4cc5a9beef4758ced243f7"`
Dec 18 09:08:07.433 INFO running `"docker" "rm" "-f" "49248668f7697cd8a7deaf788d0d64dc54e6972d6e4cc5a9beef4758ced243f7"`
Dec 18 09:08:07.708 INFO [stdout] 49248668f7697cd8a7deaf788d0d64dc54e6972d6e4cc5a9beef4758ced243f7