Sep 20 21:40:58.807 INFO checking onur/docs.rs against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 20 21:40:58.807 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 20 21:40:58.808 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 21:40:58.994 INFO blam! 84ce7fdf973bc32a62c6a7814627851d422168a5c5c9837a44df310ff850eafd
Sep 20 21:40:58.996 INFO running `"docker" "start" "-a" "84ce7fdf973bc32a62c6a7814627851d422168a5c5c9837a44df310ff850eafd"`
Sep 20 21:41:00.674 INFO kablam! usermod: no changes
Sep 20 21:41:00.790 INFO kablam! error: failed to load source for a dependency on `cargo`
Sep 20 21:41:00.790 INFO kablam! 
Sep 20 21:41:00.790 INFO kablam! Caused by:
Sep 20 21:41:00.790 INFO kablam!   Unable to update https://github.com/onur/cargo.git?branch=docs.rs#a2996e83
Sep 20 21:41:00.790 INFO kablam! 
Sep 20 21:41:00.790 INFO kablam! Caused by:
Sep 20 21:41:00.790 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 21:41:00.790 INFO kablam! 
Sep 20 21:41:00.790 INFO kablam! Caused by:
Sep 20 21:41:00.790 INFO kablam!   Read-only file system (os error 30)
Sep 20 21:41:00.797 INFO kablam! su: No module specific data is present
Sep 20 21:41:02.099 INFO running `"docker" "rm" "-f" "84ce7fdf973bc32a62c6a7814627851d422168a5c5c9837a44df310ff850eafd"`
Sep 20 21:41:02.214 INFO blam! 84ce7fdf973bc32a62c6a7814627851d422168a5c5c9837a44df310ff850eafd