Sep 10 02:26:33.752 INFO checking shockham/contours against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 02:26:33.752 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 02:26:33.752 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 02:26:33.972 INFO blam! 55287502602cef357a3611f1cbed9b53edcd6180e580a52a3ea879b716a7a6bd
Sep 10 02:26:33.974 INFO running `"docker" "start" "-a" "55287502602cef357a3611f1cbed9b53edcd6180e580a52a3ea879b716a7a6bd"`
Sep 10 02:26:35.909 INFO kablam! usermod: no changes
Sep 10 02:26:36.014 INFO kablam! error: failed to load source for a dependency on `caper`
Sep 10 02:26:36.014 INFO kablam! 
Sep 10 02:26:36.014 INFO kablam! Caused by:
Sep 10 02:26:36.014 INFO kablam!   Unable to update https://github.com/shockham/caper#6b103aa4
Sep 10 02:26:36.014 INFO kablam! 
Sep 10 02:26:36.014 INFO kablam! Caused by:
Sep 10 02:26:36.014 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 10 02:26:36.014 INFO kablam! 
Sep 10 02:26:36.014 INFO kablam! Caused by:
Sep 10 02:26:36.014 INFO kablam!   Read-only file system (os error 30)
Sep 10 02:26:36.026 INFO kablam! su: No module specific data is present
Sep 10 02:26:37.550 INFO running `"docker" "rm" "-f" "55287502602cef357a3611f1cbed9b53edcd6180e580a52a3ea879b716a7a6bd"`
Sep 10 02:26:37.668 INFO blam! 55287502602cef357a3611f1cbed9b53edcd6180e580a52a3ea879b716a7a6bd