Sep 19 12:05:48.302 INFO checking shockham/contours against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 12:05:48.302 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 12:05:48.302 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 12:05:48.740 INFO blam! 8b9520ed24013a9b33eb0e105317b33c6f106d624c873d62f4b0fded39f2b78b
Sep 19 12:05:48.742 INFO running `"docker" "start" "-a" "8b9520ed24013a9b33eb0e105317b33c6f106d624c873d62f4b0fded39f2b78b"`
Sep 19 12:05:50.956 INFO kablam! usermod: no changes
Sep 19 12:05:51.056 INFO kablam! error: failed to load source for a dependency on `caper`
Sep 19 12:05:51.056 INFO kablam! 
Sep 19 12:05:51.056 INFO kablam! Caused by:
Sep 19 12:05:51.056 INFO kablam!   Unable to update https://github.com/shockham/caper#6b103aa4
Sep 19 12:05:51.056 INFO kablam! 
Sep 19 12:05:51.056 INFO kablam! Caused by:
Sep 19 12:05:51.056 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 19 12:05:51.056 INFO kablam! 
Sep 19 12:05:51.056 INFO kablam! Caused by:
Sep 19 12:05:51.056 INFO kablam!   Read-only file system (os error 30)
Sep 19 12:05:51.058 INFO kablam! su: No module specific data is present
Sep 19 12:05:52.338 INFO running `"docker" "rm" "-f" "8b9520ed24013a9b33eb0e105317b33c6f106d624c873d62f4b0fded39f2b78b"`
Sep 19 12:05:52.621 INFO blam! 8b9520ed24013a9b33eb0e105317b33c6f106d624c873d62f4b0fded39f2b78b