Dec 19 12:38:48.793 INFO checking mikeycgto/ruru-rstring-encoding against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:38:48.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mikeycgto/ruru-rstring-encoding:/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 12:38:49.163 INFO [stdout] 8ba54a4cdbbed41eae477542c67b0cc978cf819f2de2ea93dcb5c3d6bd304645
Dec 19 12:38:49.166 INFO running `"docker" "start" "-a" "8ba54a4cdbbed41eae477542c67b0cc978cf819f2de2ea93dcb5c3d6bd304645"`
Dec 19 12:38:49.941 INFO [stderr]    Compiling ruby-sys v0.2.20
Dec 19 12:38:50.852 INFO [stderr]     Checking ruru v0.9.3
Dec 19 12:38:51.311 INFO [stderr]     Checking ruru-rstring-encoding v0.1.0 (/opt/crater/workdir)
Dec 19 12:38:51.501 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Dec 19 12:38:51.777 INFO running `"docker" "inspect" "8ba54a4cdbbed41eae477542c67b0cc978cf819f2de2ea93dcb5c3d6bd304645"`
Dec 19 12:38:51.881 INFO running `"docker" "rm" "-f" "8ba54a4cdbbed41eae477542c67b0cc978cf819f2de2ea93dcb5c3d6bd304645"`
Dec 19 12:38:51.987 INFO [stdout] 8ba54a4cdbbed41eae477542c67b0cc978cf819f2de2ea93dcb5c3d6bd304645