Dec 05 00:18:51.248 INFO checking RustStudy/mandelbrot against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:18:51.248 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 05 00:18:51.611 INFO [stdout] fc20df5864dc08b96cfe69c5c1218e794e7eae199a5bba1ce3ebf21055434095
Dec 05 00:18:51.615 INFO running `"docker" "start" "-a" "fc20df5864dc08b96cfe69c5c1218e794e7eae199a5bba1ce3ebf21055434095"`
Dec 05 00:18:52.046 INFO [stderr] usermod: no changes
Dec 05 00:18:52.065 INFO [stderr]     Blocking waiting for file lock on the registry index
Dec 05 00:18:52.289 INFO [stderr]     Checking num-bigint v0.1.39
Dec 05 00:18:53.251 INFO [stderr]     Checking num-rational v0.1.38
Dec 05 00:18:53.882 INFO [stderr]     Checking image v0.13.0
Dec 05 00:18:53.882 INFO [stderr]     Checking num v0.1.39
Dec 05 00:18:57.887 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 05 00:18:59.903 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
Dec 05 00:18:59.904 INFO [stderr] su: No module specific data is present
Dec 05 00:19:00.269 INFO running `"docker" "inspect" "fc20df5864dc08b96cfe69c5c1218e794e7eae199a5bba1ce3ebf21055434095"`
Dec 05 00:19:00.493 INFO running `"docker" "rm" "-f" "fc20df5864dc08b96cfe69c5c1218e794e7eae199a5bba1ce3ebf21055434095"`
Dec 05 00:19:00.614 INFO [stdout] fc20df5864dc08b96cfe69c5c1218e794e7eae199a5bba1ce3ebf21055434095