Dec 04 23:01:08.228 INFO checking ahmedalkabir/Mandelbrot against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:01:08.228 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 23:01:08.658 INFO [stdout] 3298e3d5c64df2740e93d4f18987dcbbb5fd46e2faa22109dff76ee69f4b436a
Dec 04 23:01:08.663 INFO running `"docker" "start" "-a" "3298e3d5c64df2740e93d4f18987dcbbb5fd46e2faa22109dff76ee69f4b436a"`
Dec 04 23:01:09.607 INFO [stderr] usermod: no changes
Dec 04 23:01:09.759 INFO [stderr]     Checking png v0.7.0
Dec 04 23:01:09.759 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 04 23:01:11.877 INFO [stderr]     Checking image v0.13.0
Dec 04 23:01:16.380 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 04 23:01:19.181 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
Dec 04 23:01:19.181 INFO [stderr] su: No module specific data is present
Dec 04 23:01:19.735 INFO running `"docker" "inspect" "3298e3d5c64df2740e93d4f18987dcbbb5fd46e2faa22109dff76ee69f4b436a"`
Dec 04 23:01:20.026 INFO running `"docker" "rm" "-f" "3298e3d5c64df2740e93d4f18987dcbbb5fd46e2faa22109dff76ee69f4b436a"`
Dec 04 23:01:20.317 INFO [stdout] 3298e3d5c64df2740e93d4f18987dcbbb5fd46e2faa22109dff76ee69f4b436a