Dec 06 14:12:29.838 INFO testing Eros/Heart against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:12:29.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 14:12:30.028 INFO [stdout] 261e78c6f0570532c9903de7bf30c966527dd2b263813caf1ad22d8e875a6606
Dec 06 14:12:30.030 INFO running `"docker" "start" "-a" "261e78c6f0570532c9903de7bf30c966527dd2b263813caf1ad22d8e875a6606"`
Dec 06 14:12:30.485 INFO [stderr] usermod: no changes
Dec 06 14:12:30.520 INFO [stderr] error: failed to load source for a dependency on `mio`
Dec 06 14:12:30.520 INFO [stderr] 
Dec 06 14:12:30.520 INFO [stderr] Caused by:
Dec 06 14:12:30.520 INFO [stderr]   Unable to update https://github.com/carllerche/mio#50c4af5c
Dec 06 14:12:30.520 INFO [stderr] 
Dec 06 14:12:30.520 INFO [stderr] Caused by:
Dec 06 14:12:30.520 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Dec 06 14:12:30.520 INFO [stderr] 
Dec 06 14:12:30.520 INFO [stderr] Caused by:
Dec 06 14:12:30.521 INFO [stderr]   Read-only file system (os error 30)
Dec 06 14:12:30.522 INFO [stderr] su: No module specific data is present
Dec 06 14:12:30.818 INFO running `"docker" "inspect" "261e78c6f0570532c9903de7bf30c966527dd2b263813caf1ad22d8e875a6606"`
Dec 06 14:12:30.921 INFO running `"docker" "rm" "-f" "261e78c6f0570532c9903de7bf30c966527dd2b263813caf1ad22d8e875a6606"`
Dec 06 14:12:31.003 INFO [stdout] 261e78c6f0570532c9903de7bf30c966527dd2b263813caf1ad22d8e875a6606