Dec 17 23:53:22.397 INFO checking generalproxy/rustoxy against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:53:22.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/generalproxy/rustoxy:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:53:22.932 INFO [stdout] 932ab098a6d932fec72a2d9f8a43582aa841ca12de5ad4d01db64ff69e3d2c7d
Dec 17 23:53:22.936 INFO running `"docker" "start" "-a" "932ab098a6d932fec72a2d9f8a43582aa841ca12de5ad4d01db64ff69e3d2c7d"`
Dec 17 23:53:24.712 INFO [stderr]     Checking serde v1.0.47
Dec 17 23:53:24.720 INFO [stderr]     Checking env_logger v0.5.9
Dec 17 23:53:34.716 INFO [stderr]     Checking rustoxy v0.1.0 (/opt/crater/workdir)
Dec 17 23:53:36.020 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
Dec 17 23:53:36.649 INFO running `"docker" "inspect" "932ab098a6d932fec72a2d9f8a43582aa841ca12de5ad4d01db64ff69e3d2c7d"`
Dec 17 23:53:36.874 INFO running `"docker" "rm" "-f" "932ab098a6d932fec72a2d9f8a43582aa841ca12de5ad4d01db64ff69e3d2c7d"`
Dec 17 23:53:37.144 INFO [stdout] 932ab098a6d932fec72a2d9f8a43582aa841ca12de5ad4d01db64ff69e3d2c7d