Dec 19 10:03:32.568 INFO checking rocallahan/debuginfo-quality against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:03:32.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rocallahan/debuginfo-quality:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:03:33.046 INFO [stdout] 8153c40479b6c692cb6530409960bb31ee12d077d6d70117ac6453577277ac83
Dec 19 10:03:33.050 INFO running `"docker" "start" "-a" "8153c40479b6c692cb6530409960bb31ee12d077d6d70117ac6453577277ac83"`
Dec 19 10:03:34.764 INFO [stderr] error: failed to load source for a dependency on `cpp_demangle`
Dec 19 10:03:34.764 INFO [stderr] 
Dec 19 10:03:34.764 INFO [stderr] Caused by:
Dec 19 10:03:34.764 INFO [stderr]   Unable to update https://github.com/khuey/cpp_demangle?branch=downstream#b3edce56
Dec 19 10:03:34.764 INFO [stderr] 
Dec 19 10:03:34.764 INFO [stderr] Caused by:
Dec 19 10:03:34.764 INFO [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
Dec 19 10:03:34.764 INFO [stderr] 
Dec 19 10:03:34.764 INFO [stderr] Caused by:
Dec 19 10:03:34.764 INFO [stderr]   Read-only file system (os error 30)
Dec 19 10:03:35.234 INFO running `"docker" "inspect" "8153c40479b6c692cb6530409960bb31ee12d077d6d70117ac6453577277ac83"`
Dec 19 10:03:35.351 INFO running `"docker" "rm" "-f" "8153c40479b6c692cb6530409960bb31ee12d077d6d70117ac6453577277ac83"`
Dec 19 10:03:35.517 INFO [stdout] 8153c40479b6c692cb6530409960bb31ee12d077d6d70117ac6453577277ac83