Dec 05 08:15:06.938 INFO checking rgm-0.2.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 08:15:06.938 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05 08:15:07.488 INFO [stdout] aa590aec7ad0be3d85fd9bc21df9896dcffb555269ef950708720c5e33fda0c7
Dec 05 08:15:07.490 INFO running `"docker" "start" "-a" "aa590aec7ad0be3d85fd9bc21df9896dcffb555269ef950708720c5e33fda0c7"`
Dec 05 08:15:09.270 INFO [stderr] usermod: no changes
Dec 05 08:15:09.471 INFO [stderr]    Compiling num-bigint v0.2.1
Dec 05 08:15:09.499 INFO [stderr]    Compiling syn v0.15.22
Dec 05 08:15:19.239 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 05 08:15:19.239 INFO [stderr]    Compiling derive_more v0.13.0
Dec 05 08:15:25.364 INFO [stderr]     Checking structopt v0.2.13
Dec 05 08:15:28.719 INFO [stderr]     Checking rgm v0.2.1 (/source)
Dec 05 08:15:31.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.90s
Dec 05 08:15:31.211 INFO [stderr] su: No module specific data is present
Dec 05 08:15:31.916 INFO running `"docker" "inspect" "aa590aec7ad0be3d85fd9bc21df9896dcffb555269ef950708720c5e33fda0c7"`
Dec 05 08:15:32.188 INFO running `"docker" "rm" "-f" "aa590aec7ad0be3d85fd9bc21df9896dcffb555269ef950708720c5e33fda0c7"`
Dec 05 08:15:32.475 INFO [stdout] aa590aec7ad0be3d85fd9bc21df9896dcffb555269ef950708720c5e33fda0c7