Dec 17 15:08:41.922 INFO checking snowmantw/toy-chacha20 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:08:41.922 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/snowmantw/toy-chacha20:/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 17 15:08:42.397 INFO [stdout] bcd46a931b030cde64a988a6efba8320546a6c129546ac908db1453b168964f4
Dec 17 15:08:42.400 INFO running `"docker" "start" "-a" "bcd46a931b030cde64a988a6efba8320546a6c129546ac908db1453b168964f4"`
Dec 17 15:08:44.887 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 17 15:08:45.566 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 17 15:08:45.898 INFO [stderr]     Checking rayon-core v1.4.1
Dec 17 15:08:46.660 INFO [stderr]     Checking rayon v1.0.2
Dec 17 15:08:50.028 INFO [stderr]     Checking toy-chacha20 v0.1.0 (/opt/crater/workdir)
Dec 17 15:08:50.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
Dec 17 15:08:51.318 INFO running `"docker" "inspect" "bcd46a931b030cde64a988a6efba8320546a6c129546ac908db1453b168964f4"`
Dec 17 15:08:51.648 INFO running `"docker" "rm" "-f" "bcd46a931b030cde64a988a6efba8320546a6c129546ac908db1453b168964f4"`
Dec 17 15:08:52.007 INFO [stdout] bcd46a931b030cde64a988a6efba8320546a6c129546ac908db1453b168964f4