Dec 05 09:51:40.555 INFO testing rocallahan/debuginfo-quality against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 09:51:40.555 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 09:51:41.060 INFO [stdout] a66745b56bfa6e0c26e029d82e29ee85cc1240c6c4101e8ee87c7bd5bc46872c
Dec 05 09:51:41.066 INFO running `"docker" "start" "-a" "a66745b56bfa6e0c26e029d82e29ee85cc1240c6c4101e8ee87c7bd5bc46872c"`
Dec 05 09:51:42.473 INFO [stderr] usermod: no changes
Dec 05 09:51:42.540 INFO [stderr] error: failed to load source for a dependency on `cpp_demangle`
Dec 05 09:51:42.540 INFO [stderr] 
Dec 05 09:51:42.540 INFO [stderr] Caused by:
Dec 05 09:51:42.540 INFO [stderr]   Unable to update https://github.com/khuey/cpp_demangle?branch=downstream#b3edce56
Dec 05 09:51:42.540 INFO [stderr] 
Dec 05 09:51:42.540 INFO [stderr] Caused by:
Dec 05 09:51:42.540 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Dec 05 09:51:42.540 INFO [stderr] 
Dec 05 09:51:42.540 INFO [stderr] Caused by:
Dec 05 09:51:42.540 INFO [stderr]   Read-only file system (os error 30)
Dec 05 09:51:42.540 INFO [stderr] su: No module specific data is present
Dec 05 09:51:43.036 INFO running `"docker" "inspect" "a66745b56bfa6e0c26e029d82e29ee85cc1240c6c4101e8ee87c7bd5bc46872c"`
Dec 05 09:51:43.345 INFO running `"docker" "rm" "-f" "a66745b56bfa6e0c26e029d82e29ee85cc1240c6c4101e8ee87c7bd5bc46872c"`
Dec 05 09:51:43.556 INFO [stdout] a66745b56bfa6e0c26e029d82e29ee85cc1240c6c4101e8ee87c7bd5bc46872c