Sep 03 15:11:25.045 INFO checking ubnt-intrepid/rusty-machine-toy against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 15:11:25.045 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 15:11:25.045 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 15:11:25.305 INFO blam! ebf20e0f33c4771a4a2ca5f1fbc833c21f18863e77109ad52788b1e31a48fe87
Sep 03 15:11:25.308 INFO running `"docker" "start" "-a" "ebf20e0f33c4771a4a2ca5f1fbc833c21f18863e77109ad52788b1e31a48fe87"`
Sep 03 15:11:26.115 INFO kablam! error: failed to load source for a dependency on `rustplotlib`
Sep 03 15:11:26.115 INFO kablam! 
Sep 03 15:11:26.115 INFO kablam! Caused by:
Sep 03 15:11:26.115 INFO kablam!   Unable to update https://github.com/ubnt-intrepid/rustplotlib.git#273305c3
Sep 03 15:11:26.115 INFO kablam! 
Sep 03 15:11:26.115 INFO kablam! Caused by:
Sep 03 15:11:26.115 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 03 15:11:26.115 INFO kablam! 
Sep 03 15:11:26.115 INFO kablam! Caused by:
Sep 03 15:11:26.115 INFO kablam!   Read-only file system (os error 30)
Sep 03 15:11:26.117 INFO kablam! su: No module specific data is present
Sep 03 15:11:26.607 INFO running `"docker" "rm" "-f" "ebf20e0f33c4771a4a2ca5f1fbc833c21f18863e77109ad52788b1e31a48fe87"`
Sep 03 15:11:26.740 INFO blam! ebf20e0f33c4771a4a2ca5f1fbc833c21f18863e77109ad52788b1e31a48fe87