Dec 17 22:16:14.563 INFO checking jjpe/zippy against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:16:14.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jjpe/zippy:/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 22:16:15.095 INFO [stdout] a55fe39bc8f16f4871f18b955b89b1bec4e59afa435c76deda841bb4def3034a
Dec 17 22:16:15.103 INFO running `"docker" "start" "-a" "a55fe39bc8f16f4871f18b955b89b1bec4e59afa435c76deda841bb4def3034a"`
Dec 17 22:16:16.760 INFO [stderr]    Compiling syn v0.15.19
Dec 17 22:16:26.184 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 22:16:36.709 INFO [stderr]     Checking ioe v0.3.0
Dec 17 22:16:37.098 INFO [stderr]     Checking zippy v0.1.3 (/opt/crater/workdir)
Dec 17 22:16:38.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.23s
Dec 17 22:16:39.075 INFO running `"docker" "inspect" "a55fe39bc8f16f4871f18b955b89b1bec4e59afa435c76deda841bb4def3034a"`
Dec 17 22:16:39.144 INFO running `"docker" "rm" "-f" "a55fe39bc8f16f4871f18b955b89b1bec4e59afa435c76deda841bb4def3034a"`
Dec 17 22:16:39.244 INFO [stdout] a55fe39bc8f16f4871f18b955b89b1bec4e59afa435c76deda841bb4def3034a