Dec 04 10:08:54.999 INFO checking silverjam/rslow against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:08:55.000 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 10:08:55.563 INFO [stdout] ad942e4d211562aad66eed4c69d08330910960df566dc8343be56b9750d6bf4f
Dec 04 10:08:55.567 INFO running `"docker" "start" "-a" "ad942e4d211562aad66eed4c69d08330910960df566dc8343be56b9750d6bf4f"`
Dec 04 10:08:56.794 INFO [stderr] usermod: no changes
Dec 04 10:08:56.886 INFO [stderr]     Checking term_size v0.3.0
Dec 04 10:08:56.886 INFO [stderr]     Checking atty v0.2.2
Dec 04 10:08:56.923 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 10:08:57.430 INFO [stderr]     Checking textwrap v0.8.0
Dec 04 10:08:58.268 INFO [stderr]     Checking clap v2.26.2
Dec 04 10:09:05.219 INFO [stderr]     Checking rslow v0.1.0 (/source)
Dec 04 10:09:06.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
Dec 04 10:09:06.395 INFO [stderr] su: No module specific data is present
Dec 04 10:09:08.079 INFO running `"docker" "inspect" "ad942e4d211562aad66eed4c69d08330910960df566dc8343be56b9750d6bf4f"`
Dec 04 10:09:08.411 INFO running `"docker" "rm" "-f" "ad942e4d211562aad66eed4c69d08330910960df566dc8343be56b9750d6bf4f"`
Dec 04 10:09:08.795 INFO [stdout] ad942e4d211562aad66eed4c69d08330910960df566dc8343be56b9750d6bf4f