Nov 02 14:41:46.542 INFO checking exul/matrix-rocketchat against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 14:41:46.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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"`
Nov 02 14:41:47.142 INFO blam! 522ed8c160be91ea53522a2eb749f925a7f4122ee8dd034928b39f9550eca337
Nov 02 14:41:47.143 INFO running `"docker" "start" "-a" "522ed8c160be91ea53522a2eb749f925a7f4122ee8dd034928b39f9550eca337"`
Nov 02 14:41:48.580 INFO kablam! usermod: no changes
Nov 02 14:41:48.727 INFO kablam! error: failed to load source for a dependency on `ruma-client-api`
Nov 02 14:41:48.727 INFO kablam! 
Nov 02 14:41:48.728 INFO kablam! Caused by:
Nov 02 14:41:48.728 INFO kablam!   Unable to update https://github.com/exul/ruma-client-api.git#7706d529
Nov 02 14:41:48.728 INFO kablam! 
Nov 02 14:41:48.729 INFO kablam! Caused by:
Nov 02 14:41:48.729 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Nov 02 14:41:48.729 INFO kablam! 
Nov 02 14:41:48.729 INFO kablam! Caused by:
Nov 02 14:41:48.730 INFO kablam!   Read-only file system (os error 30)
Nov 02 14:41:48.733 INFO kablam! su: No module specific data is present
Nov 02 14:41:49.234 INFO running `"docker" "rm" "-f" "522ed8c160be91ea53522a2eb749f925a7f4122ee8dd034928b39f9550eca337"`
Nov 02 14:41:49.428 INFO blam! 522ed8c160be91ea53522a2eb749f925a7f4122ee8dd034928b39f9550eca337