Dec 17 20:17:16.930 INFO checking mafraba/chip8r against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:17:16.930 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/mafraba/chip8r:/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 17 20:17:17.482 INFO [stdout] 1a262ff7ea067a086319148f44be8195f12310cd8e40ec343028e8459ffa05c6
Dec 17 20:17:17.484 INFO running `"docker" "start" "-a" "1a262ff7ea067a086319148f44be8195f12310cd8e40ec343028e8459ffa05c6"`
Dec 17 20:17:19.763 INFO [stderr]     Checking term_size v0.2.3
Dec 17 20:17:19.764 INFO [stderr]     Checking termion v1.5.1
Dec 17 20:17:19.765 INFO [stderr]     Checking chan v0.1.19
Dec 17 20:17:20.310 INFO [stderr]     Checking clap v2.19.3
Dec 17 20:17:26.125 INFO [stderr]     Checking chip8r v0.1.0 (/opt/crater/workdir)
Dec 17 20:17:27.953 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.28s
Dec 17 20:17:28.818 INFO running `"docker" "inspect" "1a262ff7ea067a086319148f44be8195f12310cd8e40ec343028e8459ffa05c6"`
Dec 17 20:17:29.168 INFO running `"docker" "rm" "-f" "1a262ff7ea067a086319148f44be8195f12310cd8e40ec343028e8459ffa05c6"`
Dec 17 20:17:29.532 INFO [stdout] 1a262ff7ea067a086319148f44be8195f12310cd8e40ec343028e8459ffa05c6