Dec 17 20:21:03.986 INFO checking lweixw/rust_mini_docker_image against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:21:03.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/lweixw/rust_mini_docker_image:/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 17 20:21:04.468 INFO [stdout] fdfd063f96d2a142e9026afc344cfefbacfbbb129f5cfe73f2edfb803a554e5e
Dec 17 20:21:04.470 INFO running `"docker" "start" "-a" "fdfd063f96d2a142e9026afc344cfefbacfbbb129f5cfe73f2edfb803a554e5e"`
Dec 17 20:21:06.921 INFO [stderr]     Checking hyper v0.10.13
Dec 17 20:21:06.921 INFO [stderr]     Checking mime_guess v1.8.4
Dec 17 20:21:10.812 INFO [stderr]     Checking iron v0.6.0
Dec 17 20:21:11.568 INFO [stderr]     Checking response_time v0.1.0 (/opt/crater/workdir)
Dec 17 20:21:12.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
Dec 17 20:21:13.516 INFO running `"docker" "inspect" "fdfd063f96d2a142e9026afc344cfefbacfbbb129f5cfe73f2edfb803a554e5e"`
Dec 17 20:21:13.890 INFO running `"docker" "rm" "-f" "fdfd063f96d2a142e9026afc344cfefbacfbbb129f5cfe73f2edfb803a554e5e"`
Dec 17 20:21:14.220 INFO [stdout] fdfd063f96d2a142e9026afc344cfefbacfbbb129f5cfe73f2edfb803a554e5e