Dec 19 18:12:23.353 INFO checking dcorking/bignumbertoy against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:12:23.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dcorking/bignumbertoy:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:12:23.683 INFO [stdout] 34fea4b1710ab3a090f1554830bc2dd71decacd1c9340392efe20143a01885dc
Dec 19 18:12:23.704 INFO running `"docker" "start" "-a" "34fea4b1710ab3a090f1554830bc2dd71decacd1c9340392efe20143a01885dc"`
Dec 19 18:12:24.920 INFO [stderr]     Checking num-bigint v0.1.43
Dec 19 18:12:26.500 INFO [stderr]     Checking num v0.1.42
Dec 19 18:12:26.668 INFO [stderr]     Checking bigdecimal v0.0.10
Dec 19 18:12:27.055 INFO [stderr]     Checking bignumbertoy v0.1.0 (/opt/crater/workdir)
Dec 19 18:12:27.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
Dec 19 18:12:27.939 INFO running `"docker" "inspect" "34fea4b1710ab3a090f1554830bc2dd71decacd1c9340392efe20143a01885dc"`
Dec 19 18:12:28.132 INFO running `"docker" "rm" "-f" "34fea4b1710ab3a090f1554830bc2dd71decacd1c9340392efe20143a01885dc"`
Dec 19 18:12:28.448 INFO [stdout] 34fea4b1710ab3a090f1554830bc2dd71decacd1c9340392efe20143a01885dc