Oct 12 22:52:56.106 INFO checking dawning7670/dtun against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:52:56.107 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 22:52:56.301 INFO blam! c49cfdd10812cbbe7575dfdb51781097bd1890611e65e723887241563f22a7ba
Oct 12 22:52:56.306 INFO running `"docker" "start" "-a" "c49cfdd10812cbbe7575dfdb51781097bd1890611e65e723887241563f22a7ba"`
Oct 12 22:52:56.758 INFO kablam! usermod: no changes
Oct 12 22:52:56.924 INFO kablam!     Checking rand v0.3.19
Oct 12 22:52:56.924 INFO kablam!     Checking serde_json v1.0.8
Oct 12 22:52:56.924 INFO kablam!     Checking toml v0.4.5
Oct 12 22:52:56.931 INFO kablam!     Checking clap v2.29.0
Oct 12 22:52:56.932 INFO kablam!     Checking flexi_logger v0.6.9
Oct 12 22:53:03.081 INFO kablam!     Checking uuid v0.5.1
Oct 12 22:53:05.302 INFO kablam!     Checking config v0.6.0
Oct 12 22:53:11.840 INFO kablam!     Checking dtun v0.1.0 (/source)
Oct 12 22:53:18.429 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.65s
Oct 12 22:53:18.445 INFO kablam! su: No module specific data is present
Oct 12 22:53:19.019 INFO running `"docker" "rm" "-f" "c49cfdd10812cbbe7575dfdb51781097bd1890611e65e723887241563f22a7ba"`
Oct 12 22:53:19.288 INFO blam! c49cfdd10812cbbe7575dfdb51781097bd1890611e65e723887241563f22a7ba