Oct 12 21:20:05.352 INFO checking g-s-k/mandelbrot against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:20:05.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 21:20:05.704 INFO blam! 4ad452ae8262d49f399a557c56589b4c193c7a518ec1557671b9194ff9d70d2e
Oct 12 21:20:05.712 INFO running `"docker" "start" "-a" "4ad452ae8262d49f399a557c56589b4c193c7a518ec1557671b9194ff9d70d2e"`
Oct 12 21:20:06.668 INFO kablam! usermod: no changes
Oct 12 21:20:06.804 INFO kablam!     Checking num-bigint v0.1.44
Oct 12 21:20:06.804 INFO kablam!     Checking png v0.7.0
Oct 12 21:20:06.804 INFO kablam!     Checking jpeg-decoder v0.1.15
Oct 12 21:20:09.204 INFO kablam!     Checking num-rational v0.1.42
Oct 12 21:20:10.160 INFO kablam!     Checking image v0.13.0
Oct 12 21:20:10.161 INFO kablam!     Checking num v0.1.42
Oct 12 21:20:15.312 INFO kablam!     Checking mandelbrot v0.1.0 (/source)
Oct 12 21:20:18.086 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.39s
Oct 12 21:20:18.096 INFO kablam! su: No module specific data is present
Oct 12 21:20:18.628 INFO running `"docker" "rm" "-f" "4ad452ae8262d49f399a557c56589b4c193c7a518ec1557671b9194ff9d70d2e"`
Oct 12 21:20:18.916 INFO blam! 4ad452ae8262d49f399a557c56589b4c193c7a518ec1557671b9194ff9d70d2e