Dec 18 15:32:59.011 INFO checking graphannis-malloc_size_of_derive-1.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:32:59.011 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/reg/graphannis-malloc_size_of_derive/1.0.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:32:59.312 INFO [stdout] 56ac236a4ef2606a72f491047d494efcd5c632fa494ebd58309ac6756ea589f6
Dec 18 15:32:59.318 INFO running `"docker" "start" "-a" "56ac236a4ef2606a72f491047d494efcd5c632fa494ebd58309ac6756ea589f6"`
Dec 18 15:32:59.977 INFO [stderr]     Checking syn v0.13.11
Dec 18 15:33:07.536 INFO [stderr]     Checking synstructure v0.8.1
Dec 18 15:33:08.301 INFO [stderr]     Checking graphannis-malloc_size_of_derive v1.0.0 (/opt/crater/workdir)
Dec 18 15:33:09.310 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.36s
Dec 18 15:33:10.342 INFO running `"docker" "inspect" "56ac236a4ef2606a72f491047d494efcd5c632fa494ebd58309ac6756ea589f6"`
Dec 18 15:33:10.702 INFO running `"docker" "rm" "-f" "56ac236a4ef2606a72f491047d494efcd5c632fa494ebd58309ac6756ea589f6"`
Dec 18 15:33:11.012 INFO [stdout] 56ac236a4ef2606a72f491047d494efcd5c632fa494ebd58309ac6756ea589f6