Dec 18 18:01:50.405 INFO checking buffering_nocopy_macro-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:01:50.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/buffering_nocopy_macro/0.1.0:/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 18 18:01:50.628 INFO [stdout] e470489ea364e3a77dfe61047bb30c9fba1a0bc56c565f6d7672a0ce3204e118
Dec 18 18:01:50.632 INFO running `"docker" "start" "-a" "e470489ea364e3a77dfe61047bb30c9fba1a0bc56c565f6d7672a0ce3204e118"`
Dec 18 18:01:51.520 INFO [stderr]     Checking syn v0.14.9
Dec 18 18:01:54.421 INFO [stderr]     Checking buffering_nocopy_macro v0.1.0 (/opt/crater/workdir)
Dec 18 18:01:55.013 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
Dec 18 18:01:55.646 INFO running `"docker" "inspect" "e470489ea364e3a77dfe61047bb30c9fba1a0bc56c565f6d7672a0ce3204e118"`
Dec 18 18:01:55.968 INFO running `"docker" "rm" "-f" "e470489ea364e3a77dfe61047bb30c9fba1a0bc56c565f6d7672a0ce3204e118"`
Dec 18 18:01:56.256 INFO [stdout] e470489ea364e3a77dfe61047bb30c9fba1a0bc56c565f6d7672a0ce3204e118