Dec 19 16:38:07.269 INFO checking generalproxy/rustoxy against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:38:07.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:38:07.810 INFO [stdout] 48b228e93ae1576725dea24f486f3306312f5f37866ae6886c756e1804071a22
Dec 19 16:38:07.814 INFO running `"docker" "start" "-a" "48b228e93ae1576725dea24f486f3306312f5f37866ae6886c756e1804071a22"`
Dec 19 16:38:09.443 INFO [stderr]     Checking serde v1.0.47
Dec 19 16:38:09.457 INFO [stderr]     Checking env_logger v0.5.9
Dec 19 16:38:09.457 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 16:38:19.748 INFO [stderr]     Checking rustoxy v0.1.0 (/opt/crater/workdir)
Dec 19 16:38:21.164 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.85s
Dec 19 16:38:22.036 INFO running `"docker" "inspect" "48b228e93ae1576725dea24f486f3306312f5f37866ae6886c756e1804071a22"`
Dec 19 16:38:22.366 INFO running `"docker" "rm" "-f" "48b228e93ae1576725dea24f486f3306312f5f37866ae6886c756e1804071a22"`
Dec 19 16:38:22.665 INFO [stdout] 48b228e93ae1576725dea24f486f3306312f5f37866ae6886c756e1804071a22