Dec 18 16:56:21.331 INFO checking doubter-impl-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:56:21.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/doubter-impl/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:56:21.529 INFO [stdout] 124c9370a736ca745683a5a450b8fa515d610708cca70f80876de0a4ae073a93
Dec 18 16:56:21.531 INFO running `"docker" "start" "-a" "124c9370a736ca745683a5a450b8fa515d610708cca70f80876de0a4ae073a93"`
Dec 18 16:56:22.755 INFO [stderr]     Checking syn v0.15.23
Dec 18 16:56:28.933 INFO [stderr]     Checking doubter-impl v0.1.0 (/opt/crater/workdir)
Dec 18 16:56:29.604 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
Dec 18 16:56:30.004 INFO running `"docker" "inspect" "124c9370a736ca745683a5a450b8fa515d610708cca70f80876de0a4ae073a93"`
Dec 18 16:56:30.138 INFO running `"docker" "rm" "-f" "124c9370a736ca745683a5a450b8fa515d610708cca70f80876de0a4ae073a93"`
Dec 18 16:56:30.216 INFO [stdout] 124c9370a736ca745683a5a450b8fa515d610708cca70f80876de0a4ae073a93