Dec 04 09:28:56.089 INFO checking steveklabnik/adventure2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 09:28:56.090 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 09:28:56.539 INFO [stdout] eb7778d2db57ec1bdb7a1da7144159f8ec753930dbc34dca3029a7c52018aeb7
Dec 04 09:28:56.541 INFO running `"docker" "start" "-a" "eb7778d2db57ec1bdb7a1da7144159f8ec753930dbc34dca3029a7c52018aeb7"`
Dec 04 09:28:57.823 INFO [stderr] usermod: no changes
Dec 04 09:28:58.019 INFO [stderr]    Compiling syn v0.15.12
Dec 04 09:29:07.210 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 09:29:22.474 INFO [stderr]     Checking adventure v0.1.0 (/source)
Dec 04 09:29:23.299 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.43s
Dec 04 09:29:23.305 INFO [stderr] su: No module specific data is present
Dec 04 09:29:24.601 INFO running `"docker" "inspect" "eb7778d2db57ec1bdb7a1da7144159f8ec753930dbc34dca3029a7c52018aeb7"`
Dec 04 09:29:24.931 INFO running `"docker" "rm" "-f" "eb7778d2db57ec1bdb7a1da7144159f8ec753930dbc34dca3029a7c52018aeb7"`
Dec 04 09:29:25.183 INFO [stdout] eb7778d2db57ec1bdb7a1da7144159f8ec753930dbc34dca3029a7c52018aeb7