Dec 04 21:54:27.738 INFO checking benrady/mandelbrot against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:54:27.738 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 21:54:28.268 INFO [stdout] 7f9851609598086e7e1baadafc04cf4c571aadf9653d613f8bdb827c4e69b64b
Dec 04 21:54:28.270 INFO running `"docker" "start" "-a" "7f9851609598086e7e1baadafc04cf4c571aadf9653d613f8bdb827c4e69b64b"`
Dec 04 21:54:30.623 INFO [stderr] usermod: no changes
Dec 04 21:54:30.789 INFO [stderr]     Checking num-bigint v0.1.41
Dec 04 21:54:30.789 INFO [stderr]     Checking png v0.7.0
Dec 04 21:54:33.351 INFO [stderr]     Checking num-rational v0.1.40
Dec 04 21:54:34.243 INFO [stderr]     Checking image v0.13.0
Dec 04 21:54:34.243 INFO [stderr]     Checking num v0.1.41
Dec 04 21:54:39.393 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 04 21:54:41.213 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
Dec 04 21:54:41.219 INFO [stderr] su: No module specific data is present
Dec 04 21:54:42.015 INFO running `"docker" "inspect" "7f9851609598086e7e1baadafc04cf4c571aadf9653d613f8bdb827c4e69b64b"`
Dec 04 21:54:42.315 INFO running `"docker" "rm" "-f" "7f9851609598086e7e1baadafc04cf4c571aadf9653d613f8bdb827c4e69b64b"`
Dec 04 21:54:42.675 INFO [stdout] 7f9851609598086e7e1baadafc04cf4c571aadf9653d613f8bdb827c4e69b64b