Dec 18 12:48:18.713 INFO checking proptest-arbitrary-0.2.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:48:18.714 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/reg/proptest-arbitrary/0.2.2:/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 12:48:19.034 INFO [stdout] cdd564784e876d6dbafb00c169cdf8d27202cb3ec9e2975142fad379a0b0aa1b
Dec 18 12:48:19.036 INFO running `"docker" "start" "-a" "cdd564784e876d6dbafb00c169cdf8d27202cb3ec9e2975142fad379a0b0aa1b"`
Dec 18 12:48:21.091 INFO [stderr]    Compiling frunk_core v0.0.21
Dec 18 12:48:21.097 INFO [stderr]    Compiling proptest-arbitrary v0.2.2 (/opt/crater/workdir)
Dec 18 12:48:21.098 INFO [stderr]     Checking proptest v0.3.4
Dec 18 12:48:40.014 INFO [stderr]    Compiling frunk_derives v0.0.22
Dec 18 12:48:47.534 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.51s
Dec 18 12:48:48.182 INFO running `"docker" "inspect" "cdd564784e876d6dbafb00c169cdf8d27202cb3ec9e2975142fad379a0b0aa1b"`
Dec 18 12:48:48.422 INFO running `"docker" "rm" "-f" "cdd564784e876d6dbafb00c169cdf8d27202cb3ec9e2975142fad379a0b0aa1b"`
Dec 18 12:48:48.704 INFO [stdout] cdd564784e876d6dbafb00c169cdf8d27202cb3ec9e2975142fad379a0b0aa1b