Nov 17 09:43:18.087 INFO testing alexcrichton/cargo-vendor against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 09:43:18.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 09:43:18.539 INFO [stdout] bec3e410ce101a4411a4887bc348f57c2e111e0d8061c5cea48f947c8c2fcc5b
Nov 17 09:43:18.547 INFO running `"docker" "start" "-a" "bec3e410ce101a4411a4887bc348f57c2e111e0d8061c5cea48f947c8c2fcc5b"`
Nov 17 09:43:19.547 INFO [stderr] usermod: no changes
Nov 17 09:43:19.631 INFO [stderr] error: failed to load source for a dependency on `cargo`
Nov 17 09:43:19.631 INFO [stderr] 
Nov 17 09:43:19.631 INFO [stderr] Caused by:
Nov 17 09:43:19.631 INFO [stderr]   Unable to update https://github.com/rust-lang/cargo?branch=rust-1.31.0#569507ef
Nov 17 09:43:19.631 INFO [stderr] 
Nov 17 09:43:19.631 INFO [stderr] Caused by:
Nov 17 09:43:19.631 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Nov 17 09:43:19.631 INFO [stderr] 
Nov 17 09:43:19.631 INFO [stderr] Caused by:
Nov 17 09:43:19.631 INFO [stderr]   Read-only file system (os error 30)
Nov 17 09:43:19.638 INFO [stderr] su: No module specific data is present
Nov 17 09:43:20.196 INFO running `"docker" "inspect" "bec3e410ce101a4411a4887bc348f57c2e111e0d8061c5cea48f947c8c2fcc5b"`
Nov 17 09:43:20.404 INFO running `"docker" "rm" "-f" "bec3e410ce101a4411a4887bc348f57c2e111e0d8061c5cea48f947c8c2fcc5b"`
Nov 17 09:43:20.622 INFO [stdout] bec3e410ce101a4411a4887bc348f57c2e111e0d8061c5cea48f947c8c2fcc5b