Sep 17 11:21:04.780 INFO checking shockham/contours against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 11:21:04.780 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 11:21:04.780 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 11:21:05.205 INFO blam! acf7b01d1b1f547df33e2619803e9daf43fbd8edd60bb21ba9036e0f78abe4bb
Sep 17 11:21:05.208 INFO running `"docker" "start" "-a" "acf7b01d1b1f547df33e2619803e9daf43fbd8edd60bb21ba9036e0f78abe4bb"`
Sep 17 11:21:07.922 INFO kablam! usermod: no changes
Sep 17 11:21:08.043 INFO kablam! error: failed to load source for a dependency on `caper`
Sep 17 11:21:08.043 INFO kablam! 
Sep 17 11:21:08.043 INFO kablam! Caused by:
Sep 17 11:21:08.043 INFO kablam!   Unable to update https://github.com/shockham/caper#6b103aa4
Sep 17 11:21:08.043 INFO kablam! 
Sep 17 11:21:08.043 INFO kablam! Caused by:
Sep 17 11:21:08.043 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 17 11:21:08.043 INFO kablam! 
Sep 17 11:21:08.043 INFO kablam! Caused by:
Sep 17 11:21:08.044 INFO kablam!   Read-only file system (os error 30)
Sep 17 11:21:08.044 INFO kablam! su: No module specific data is present
Sep 17 11:21:09.783 INFO running `"docker" "rm" "-f" "acf7b01d1b1f547df33e2619803e9daf43fbd8edd60bb21ba9036e0f78abe4bb"`
Sep 17 11:21:10.096 INFO blam! acf7b01d1b1f547df33e2619803e9daf43fbd8edd60bb21ba9036e0f78abe4bb