Nov 04 13:37:26.881 INFO checking GyrosOfWar/depgraph against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 13:37:26.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 13:37:27.254 INFO blam! ae4c7ff308f5afc4d4def3e5d8ea20630d2f4cc8a8fc84a196335c23e6c7d58d
Nov 04 13:37:27.256 INFO running `"docker" "start" "-a" "ae4c7ff308f5afc4d4def3e5d8ea20630d2f4cc8a8fc84a196335c23e6c7d58d"`
Nov 04 13:37:28.280 INFO kablam! usermod: no changes
Nov 04 13:37:28.331 INFO kablam! error: failed to load source for a dependency on `syn`
Nov 04 13:37:28.331 INFO kablam! 
Nov 04 13:37:28.331 INFO kablam! Caused by:
Nov 04 13:37:28.331 INFO kablam!   Unable to update https://github.com/dtolnay/syn#0aa50e0c
Nov 04 13:37:28.331 INFO kablam! 
Nov 04 13:37:28.331 INFO kablam! Caused by:
Nov 04 13:37:28.331 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Nov 04 13:37:28.331 INFO kablam! 
Nov 04 13:37:28.331 INFO kablam! Caused by:
Nov 04 13:37:28.331 INFO kablam!   Read-only file system (os error 30)
Nov 04 13:37:28.334 INFO kablam! su: No module specific data is present
Nov 04 13:37:28.815 INFO running `"docker" "rm" "-f" "ae4c7ff308f5afc4d4def3e5d8ea20630d2f4cc8a8fc84a196335c23e6c7d58d"`
Nov 04 13:37:28.963 INFO blam! ae4c7ff308f5afc4d4def3e5d8ea20630d2f4cc8a8fc84a196335c23e6c7d58d