Nov 28 09:44:12.283 INFO checking alexcrichton/cargo-vendor against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 09:44:12.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 28 09:44:12.854 INFO [stdout] b5dfa220df1bbb2aec16a47d438b4a73577ad1ace03b22c0889837c3841f1b08
Nov 28 09:44:12.857 INFO running `"docker" "start" "-a" "b5dfa220df1bbb2aec16a47d438b4a73577ad1ace03b22c0889837c3841f1b08"`
Nov 28 09:44:14.547 INFO [stderr] usermod: no changes
Nov 28 09:44:14.637 INFO [stderr] error: failed to load source for a dependency on `cargo`
Nov 28 09:44:14.637 INFO [stderr] 
Nov 28 09:44:14.637 INFO [stderr] Caused by:
Nov 28 09:44:14.638 INFO [stderr]   Unable to update https://github.com/rust-lang/cargo?branch=rust-1.31.0#339d9f9c
Nov 28 09:44:14.638 INFO [stderr] 
Nov 28 09:44:14.638 INFO [stderr] Caused by:
Nov 28 09:44:14.638 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Nov 28 09:44:14.639 INFO [stderr] 
Nov 28 09:44:14.639 INFO [stderr] Caused by:
Nov 28 09:44:14.639 INFO [stderr]   Read-only file system (os error 30)
Nov 28 09:44:14.640 INFO [stderr] su: No module specific data is present
Nov 28 09:44:15.467 INFO running `"docker" "inspect" "b5dfa220df1bbb2aec16a47d438b4a73577ad1ace03b22c0889837c3841f1b08"`
Nov 28 09:44:15.860 INFO running `"docker" "rm" "-f" "b5dfa220df1bbb2aec16a47d438b4a73577ad1ace03b22c0889837c3841f1b08"`
Nov 28 09:44:16.140 INFO [stdout] b5dfa220df1bbb2aec16a47d438b4a73577ad1ace03b22c0889837c3841f1b08