Dec 17 20:16:28.643 INFO checking maidsafe/datachains_sim against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:16:28.643 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/maidsafe/datachains_sim:/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 20:16:28.976 INFO [stdout] 3e6318e68bc4ce6bda89ec9040588cdb5c76c447d8c6cf68f27622b4b1a1fea6
Dec 17 20:16:28.978 INFO running `"docker" "start" "-a" "3e6318e68bc4ce6bda89ec9040588cdb5c76c447d8c6cf68f27622b4b1a1fea6"`
Dec 17 20:16:30.440 INFO [stderr]     Checking tiny-keccak v1.4.0
Dec 17 20:16:30.452 INFO [stderr]     Checking clap v2.29.2
Dec 17 20:16:30.452 INFO [stderr]     Checking ctrlc v3.1.0
Dec 17 20:16:35.220 INFO [stderr]     Checking datachains_sim v0.2.0 (/opt/crater/workdir)
Dec 17 20:16:36.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
Dec 17 20:16:37.516 INFO running `"docker" "inspect" "3e6318e68bc4ce6bda89ec9040588cdb5c76c447d8c6cf68f27622b4b1a1fea6"`
Dec 17 20:16:37.835 INFO running `"docker" "rm" "-f" "3e6318e68bc4ce6bda89ec9040588cdb5c76c447d8c6cf68f27622b4b1a1fea6"`
Dec 17 20:16:38.116 INFO [stdout] 3e6318e68bc4ce6bda89ec9040588cdb5c76c447d8c6cf68f27622b4b1a1fea6