Dec 19 11:35:14.249 INFO checking obi-jan-kenobi/rust-perceptron against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:35:14.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/obi-jan-kenobi/rust-perceptron:/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 11:35:14.926 INFO [stdout] 4677db6156b4f9305e1b19a9a5d552e766eb27cb4ac083a223eaa36c92f662fc
Dec 19 11:35:14.928 INFO running `"docker" "start" "-a" "4677db6156b4f9305e1b19a9a5d552e766eb27cb4ac083a223eaa36c92f662fc"`
Dec 19 11:35:16.236 INFO [stderr]     Checking rand v0.5.1
Dec 19 11:35:18.203 INFO [stderr]     Checking perceptron v0.1.0 (/opt/crater/workdir)
Dec 19 11:35:18.444 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Dec 19 11:35:18.768 INFO running `"docker" "inspect" "4677db6156b4f9305e1b19a9a5d552e766eb27cb4ac083a223eaa36c92f662fc"`
Dec 19 11:35:18.848 INFO running `"docker" "rm" "-f" "4677db6156b4f9305e1b19a9a5d552e766eb27cb4ac083a223eaa36c92f662fc"`
Dec 19 11:35:18.947 INFO [stdout] 4677db6156b4f9305e1b19a9a5d552e766eb27cb4ac083a223eaa36c92f662fc