Dec 18 01:37:53.293 INFO checking dawning7670/dtun against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:37:53.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/dawning7670/dtun:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:37:53.794 INFO [stdout] a2deb978fd7851a6cad6324cdf3f47707fc6954c4252787c156dd0f397341420
Dec 18 01:37:53.796 INFO running `"docker" "start" "-a" "a2deb978fd7851a6cad6324cdf3f47707fc6954c4252787c156dd0f397341420"`
Dec 18 01:37:56.029 INFO [stderr]     Checking toml v0.4.5
Dec 18 01:37:56.030 INFO [stderr]     Checking uuid v0.5.1
Dec 18 01:37:56.031 INFO [stderr]     Checking flexi_logger v0.6.9
Dec 18 01:37:58.638 INFO [stderr]     Checking config v0.6.0
Dec 18 01:37:59.769 INFO [stderr]     Checking dtun v0.1.0 (/opt/crater/workdir)
Dec 18 01:38:03.737 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
Dec 18 01:38:04.478 INFO running `"docker" "inspect" "a2deb978fd7851a6cad6324cdf3f47707fc6954c4252787c156dd0f397341420"`
Dec 18 01:38:04.724 INFO running `"docker" "rm" "-f" "a2deb978fd7851a6cad6324cdf3f47707fc6954c4252787c156dd0f397341420"`
Dec 18 01:38:05.008 INFO [stdout] a2deb978fd7851a6cad6324cdf3f47707fc6954c4252787c156dd0f397341420