Dec 18 10:35:56.973 INFO checking symbolic-sourcemap-5.7.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:35:56.973 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/symbolic-sourcemap/5.7.2:/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 10:35:57.179 INFO [stdout] 004a09046ca320536039f848bb97b76505b99d358b39e965b4bb64e84c83a1af
Dec 18 10:35:57.184 INFO running `"docker" "start" "-a" "004a09046ca320536039f848bb97b76505b99d358b39e965b4bb64e84c83a1af"`
Dec 18 10:35:58.288 INFO [stderr]    Compiling sourcemap v2.2.1
Dec 18 10:35:58.288 INFO [stderr]     Checking debugid v0.3.1
Dec 18 10:36:01.041 INFO [stderr]     Checking symbolic-common v5.7.4
Dec 18 10:36:02.020 INFO [stderr]     Checking symbolic-sourcemap v5.7.2 (/opt/crater/workdir)
Dec 18 10:36:04.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
Dec 18 10:36:04.820 INFO running `"docker" "inspect" "004a09046ca320536039f848bb97b76505b99d358b39e965b4bb64e84c83a1af"`
Dec 18 10:36:05.142 INFO running `"docker" "rm" "-f" "004a09046ca320536039f848bb97b76505b99d358b39e965b4bb64e84c83a1af"`
Dec 18 10:36:05.423 INFO [stdout] 004a09046ca320536039f848bb97b76505b99d358b39e965b4bb64e84c83a1af