Dec 19 22:08:24.461 INFO checking Riptawr/mandel against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:08:24.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Riptawr/mandel:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:08:25.043 INFO [stdout] 037c22858597f63b1d25d692e9fbb781a73b20a8786a5f5d4c044ff98d225b96
Dec 19 22:08:25.045 INFO running `"docker" "start" "-a" "037c22858597f63b1d25d692e9fbb781a73b20a8786a5f5d4c044ff98d225b96"`
Dec 19 22:08:27.216 INFO [stderr]     Checking rayon-core v1.2.1
Dec 19 22:08:28.034 INFO [stderr]     Checking rayon v0.8.2
Dec 19 22:08:30.632 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 22:08:31.877 INFO [stderr]     Checking image v0.13.0
Dec 19 22:08:36.753 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 19 22:08:38.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.13s
Dec 19 22:08:39.114 INFO running `"docker" "inspect" "037c22858597f63b1d25d692e9fbb781a73b20a8786a5f5d4c044ff98d225b96"`
Dec 19 22:08:39.424 INFO running `"docker" "rm" "-f" "037c22858597f63b1d25d692e9fbb781a73b20a8786a5f5d4c044ff98d225b96"`
Dec 19 22:08:39.775 INFO [stdout] 037c22858597f63b1d25d692e9fbb781a73b20a8786a5f5d4c044ff98d225b96