Dec 01 04:41:12.663 INFO testing rocallahan/debuginfo-quality against 1.30.1 for beta-1.31-5
Dec 01 04:41:12.663 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 04:41:13.164 INFO [stdout] 12e2fc4b4a1850e6de19c8718b3200f795fa20e09314dc5ba393da506cdcb364
Dec 01 04:41:13.171 INFO running `"docker" "start" "-a" "12e2fc4b4a1850e6de19c8718b3200f795fa20e09314dc5ba393da506cdcb364"`
Dec 01 04:41:14.815 INFO [stderr] usermod: no changes
Dec 01 04:41:14.887 INFO [stderr] error: failed to load source for a dependency on `cpp_demangle`
Dec 01 04:41:14.887 INFO [stderr] 
Dec 01 04:41:14.887 INFO [stderr] Caused by:
Dec 01 04:41:14.887 INFO [stderr]   Unable to update https://github.com/khuey/cpp_demangle?branch=downstream#b3edce56
Dec 01 04:41:14.887 INFO [stderr] 
Dec 01 04:41:14.887 INFO [stderr] Caused by:
Dec 01 04:41:14.887 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Dec 01 04:41:14.887 INFO [stderr] 
Dec 01 04:41:14.887 INFO [stderr] Caused by:
Dec 01 04:41:14.887 INFO [stderr]   Read-only file system (os error 30)
Dec 01 04:41:14.887 INFO [stderr] su: No module specific data is present
Dec 01 04:41:15.504 INFO running `"docker" "inspect" "12e2fc4b4a1850e6de19c8718b3200f795fa20e09314dc5ba393da506cdcb364"`
Dec 01 04:41:15.855 INFO running `"docker" "rm" "-f" "12e2fc4b4a1850e6de19c8718b3200f795fa20e09314dc5ba393da506cdcb364"`
Dec 01 04:41:16.142 INFO [stdout] 12e2fc4b4a1850e6de19c8718b3200f795fa20e09314dc5ba393da506cdcb364
