Aug 31 03:30:44.985 INFO checking onur/docs.rs against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 03:30:44.985 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 03:30:44.985 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 03:30:45.165 INFO blam! 6280c42d7432ee0578a0cae12628236e3ca9d89f554f2141c8428ad60774bb82
Aug 31 03:30:45.167 INFO running `"docker" "start" "-a" "6280c42d7432ee0578a0cae12628236e3ca9d89f554f2141c8428ad60774bb82"`
Aug 31 03:30:45.869 INFO kablam! error: failed to load source for a dependency on `cargo`
Aug 31 03:30:45.869 INFO kablam! 
Aug 31 03:30:45.869 INFO kablam! Caused by:
Aug 31 03:30:45.869 INFO kablam!   Unable to update https://github.com/onur/cargo.git?branch=docs.rs#a2996e83
Aug 31 03:30:45.869 INFO kablam! 
Aug 31 03:30:45.869 INFO kablam! Caused by:
Aug 31 03:30:45.869 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Aug 31 03:30:45.869 INFO kablam! 
Aug 31 03:30:45.869 INFO kablam! Caused by:
Aug 31 03:30:45.869 INFO kablam!   Read-only file system (os error 30)
Aug 31 03:30:45.870 INFO kablam! su: No module specific data is present
Aug 31 03:30:46.263 INFO running `"docker" "rm" "-f" "6280c42d7432ee0578a0cae12628236e3ca9d89f554f2141c8428ad60774bb82"`
Aug 31 03:30:46.360 INFO blam! 6280c42d7432ee0578a0cae12628236e3ca9d89f554f2141c8428ad60774bb82