Dec 18 11:40:36.249 INFO checking rusty-asm-0.2.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:40:36.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rusty-asm/0.2.1:/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 11:40:36.696 INFO [stdout] 2f681aba119439983ed9f68c721e669c0a6abbd9c0b40d3470635aecff3af404
Dec 18 11:40:36.698 INFO running `"docker" "start" "-a" "2f681aba119439983ed9f68c721e669c0a6abbd9c0b40d3470635aecff3af404"`
Dec 18 11:40:39.259 INFO [stderr] warning: library `rusty-asm` should only specify `proc-macro = true` instead of setting `crate-type`
Dec 18 11:40:39.301 INFO [stderr]     Checking syn v0.15.23
Dec 18 11:40:48.052 INFO [stderr]     Checking runtime-macros v0.3.0
Dec 18 11:40:48.052 INFO [stderr]     Checking rusty-asm v0.2.1 (/opt/crater/workdir)
Dec 18 11:40:49.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.26s
Dec 18 11:40:50.662 INFO running `"docker" "inspect" "2f681aba119439983ed9f68c721e669c0a6abbd9c0b40d3470635aecff3af404"`
Dec 18 11:40:50.948 INFO running `"docker" "rm" "-f" "2f681aba119439983ed9f68c721e669c0a6abbd9c0b40d3470635aecff3af404"`
Dec 18 11:40:51.372 INFO [stdout] 2f681aba119439983ed9f68c721e669c0a6abbd9c0b40d3470635aecff3af404