Oct 27 04:55:32.824 INFO checking exul/matrix-rocketchat against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 04:55:32.826 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-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"`
Oct 27 04:55:33.243 INFO blam! 1f3223f46deb916573ba78602be55d4bf0db1c384e61828bc906813b2d3b4eee
Oct 27 04:55:33.248 INFO running `"docker" "start" "-a" "1f3223f46deb916573ba78602be55d4bf0db1c384e61828bc906813b2d3b4eee"`
Oct 27 04:55:34.423 INFO kablam! usermod: no changes
Oct 27 04:55:34.515 INFO kablam! error: failed to load source for a dependency on `ruma-client-api`
Oct 27 04:55:34.515 INFO kablam! 
Oct 27 04:55:34.515 INFO kablam! Caused by:
Oct 27 04:55:34.515 INFO kablam!   Unable to update https://github.com/exul/ruma-client-api.git#7706d529
Oct 27 04:55:34.515 INFO kablam! 
Oct 27 04:55:34.515 INFO kablam! Caused by:
Oct 27 04:55:34.515 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Oct 27 04:55:34.515 INFO kablam! 
Oct 27 04:55:34.515 INFO kablam! Caused by:
Oct 27 04:55:34.515 INFO kablam!   Read-only file system (os error 30)
Oct 27 04:55:34.515 INFO kablam! su: No module specific data is present
Oct 27 04:55:35.515 INFO running `"docker" "rm" "-f" "1f3223f46deb916573ba78602be55d4bf0db1c384e61828bc906813b2d3b4eee"`
Oct 27 04:55:35.805 INFO blam! 1f3223f46deb916573ba78602be55d4bf0db1c384e61828bc906813b2d3b4eee