Dec 18 03:15:11.051 INFO checking blogscot/blockchain against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:15:11.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/blogscot/blockchain:/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 03:15:11.598 INFO [stdout] 5aa11c8f3ca435db78e4c1c7d8d783d2a89c3a21b21b221320b18c36aa691a72
Dec 18 03:15:11.602 INFO running `"docker" "start" "-a" "5aa11c8f3ca435db78e4c1c7d8d783d2a89c3a21b21b221320b18c36aa691a72"`
Dec 18 03:15:13.220 INFO [stderr]     Checking num-bigint v0.2.0
Dec 18 03:15:13.220 INFO [stderr]     Checking chrono v0.4.6
Dec 18 03:15:15.974 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 18 03:15:16.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
Dec 18 03:15:17.662 INFO running `"docker" "inspect" "5aa11c8f3ca435db78e4c1c7d8d783d2a89c3a21b21b221320b18c36aa691a72"`
Dec 18 03:15:17.958 INFO running `"docker" "rm" "-f" "5aa11c8f3ca435db78e4c1c7d8d783d2a89c3a21b21b221320b18c36aa691a72"`
Dec 18 03:15:18.284 INFO [stdout] 5aa11c8f3ca435db78e4c1c7d8d783d2a89c3a21b21b221320b18c36aa691a72