Dec 13 08:51:21.316 INFO testing nikolads/simple-towers against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 13 08:51:21.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 13 08:51:21.788 INFO [stdout] 76fee6821687fc1c0facf4b0043672ff33e84039ddce6d150731814c56c1c8f3 Dec 13 08:51:21.795 INFO running `"docker" "start" "-a" "76fee6821687fc1c0facf4b0043672ff33e84039ddce6d150731814c56c1c8f3"` Dec 13 08:51:22.896 INFO [stderr] usermod: no changes Dec 13 08:51:22.923 INFO [stderr] error: failed to load source for a dependency on `amethyst` Dec 13 08:51:22.923 INFO [stderr] Dec 13 08:51:22.923 INFO [stderr] Caused by: Dec 13 08:51:22.923 INFO [stderr] Unable to update https://github.com/amethyst/amethyst.git#32164438 Dec 13 08:51:22.923 INFO [stderr] Dec 13 08:51:22.923 INFO [stderr] Caused by: Dec 13 08:51:22.923 INFO [stderr] failed to open: /cargo-home/git/.cargo-lock-git Dec 13 08:51:22.923 INFO [stderr] Dec 13 08:51:22.923 INFO [stderr] Caused by: Dec 13 08:51:22.923 INFO [stderr] Read-only file system (os error 30) Dec 13 08:51:22.924 INFO [stderr] su: No module specific data is present Dec 13 08:51:23.792 INFO running `"docker" "inspect" "76fee6821687fc1c0facf4b0043672ff33e84039ddce6d150731814c56c1c8f3"` Dec 13 08:51:24.157 INFO running `"docker" "rm" "-f" "76fee6821687fc1c0facf4b0043672ff33e84039ddce6d150731814c56c1c8f3"` Dec 13 08:51:24.530 INFO [stdout] 76fee6821687fc1c0facf4b0043672ff33e84039ddce6d150731814c56c1c8f3