Dec 04 12:39:41.197 INFO checking paritytech/parity-codec against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 12:39:41.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12:39:41.592 INFO [stdout] 11c96998863d1fa63f5f5b638d1539442a6d5f864d7c31d664e7415c2fdec1aa
Dec 04 12:39:41.599 INFO running `"docker" "start" "-a" "11c96998863d1fa63f5f5b638d1539442a6d5f864d7c31d664e7415c2fdec1aa"`
Dec 04 12:39:43.055 INFO [stderr] usermod: no changes
Dec 04 12:39:43.237 INFO [stderr]     Checking proc-macro2 v0.4.24
Dec 04 12:39:43.249 INFO [stderr]     Checking parity-codec v2.1.5 (/source)
Dec 04 12:39:43.249 INFO [stderr]    Compiling syn v0.15.21
Dec 04 12:39:46.031 INFO [stderr]     Checking quote v0.6.10
Dec 04 12:39:53.106 INFO [stderr]     Checking parity-codec-derive v2.1.0 (/source/derive)
Dec 04 12:40:03.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.94s
Dec 04 12:40:03.036 INFO [stderr] su: No module specific data is present
Dec 04 12:40:03.739 INFO running `"docker" "inspect" "11c96998863d1fa63f5f5b638d1539442a6d5f864d7c31d664e7415c2fdec1aa"`
Dec 04 12:40:04.037 INFO running `"docker" "rm" "-f" "11c96998863d1fa63f5f5b638d1539442a6d5f864d7c31d664e7415c2fdec1aa"`
Dec 04 12:40:04.267 INFO [stdout] 11c96998863d1fa63f5f5b638d1539442a6d5f864d7c31d664e7415c2fdec1aa