Dec 18 17:44:38.071 INFO checking cask-0.7.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:44:38.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/cask/0.7.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:44:38.294 INFO [stdout] 5f76bd8d8a7a887a64a2080e374d06df4e598abce98b4ab0e9426bf4fc8a67b5
Dec 18 17:44:38.297 INFO running `"docker" "start" "-a" "5f76bd8d8a7a887a64a2080e374d06df4e598abce98b4ab0e9426bf4fc8a67b5"`
Dec 18 17:44:39.100 INFO [stderr]    Compiling xxhash-sys v0.1.0
Dec 18 17:44:42.155 INFO [stderr]     Checking xxhash2 v0.1.0
Dec 18 17:44:42.662 INFO [stderr]     Checking cask v0.7.1 (/opt/crater/workdir)
Dec 18 17:44:45.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.42s
Dec 18 17:44:46.487 INFO running `"docker" "inspect" "5f76bd8d8a7a887a64a2080e374d06df4e598abce98b4ab0e9426bf4fc8a67b5"`
Dec 18 17:44:46.788 INFO running `"docker" "rm" "-f" "5f76bd8d8a7a887a64a2080e374d06df4e598abce98b4ab0e9426bf4fc8a67b5"`
Dec 18 17:44:47.009 INFO [stdout] 5f76bd8d8a7a887a64a2080e374d06df4e598abce98b4ab0e9426bf4fc8a67b5