Dec 06 07:19:09.573 INFO testing alexcrichton/cargo-vendor against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 07:19:09.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 07:19:10.102 INFO [stdout] 0320bcf8903fb5425cfc54b8046d356855b81be7fd7fa91fde4b85aa7184ee30
Dec 06 07:19:10.104 INFO running `"docker" "start" "-a" "0320bcf8903fb5425cfc54b8046d356855b81be7fd7fa91fde4b85aa7184ee30"`
Dec 06 07:19:12.516 INFO [stderr] usermod: no changes
Dec 06 07:19:12.580 INFO [stderr] error: failed to load source for a dependency on `cargo`
Dec 06 07:19:12.580 INFO [stderr] 
Dec 06 07:19:12.580 INFO [stderr] Caused by:
Dec 06 07:19:12.580 INFO [stderr]   Unable to update https://github.com/rust-lang/cargo?branch=rust-1.31.0#339d9f9c
Dec 06 07:19:12.580 INFO [stderr] 
Dec 06 07:19:12.580 INFO [stderr] Caused by:
Dec 06 07:19:12.580 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Dec 06 07:19:12.580 INFO [stderr] 
Dec 06 07:19:12.580 INFO [stderr] Caused by:
Dec 06 07:19:12.580 INFO [stderr]   Read-only file system (os error 30)
Dec 06 07:19:12.580 INFO [stderr] su: No module specific data is present
Dec 06 07:19:14.159 INFO running `"docker" "inspect" "0320bcf8903fb5425cfc54b8046d356855b81be7fd7fa91fde4b85aa7184ee30"`
Dec 06 07:19:14.594 INFO running `"docker" "rm" "-f" "0320bcf8903fb5425cfc54b8046d356855b81be7fd7fa91fde4b85aa7184ee30"`
Dec 06 07:19:14.857 INFO [stdout] 0320bcf8903fb5425cfc54b8046d356855b81be7fd7fa91fde4b85aa7184ee30